Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries.     We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects.     If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase!    <h3 style="font-size:10.0pt;line-height:108.0%;margin:0.0pt;">About the role</h3>For our Cloud and Digital team, we are seeking a Hands-On QA Engineer/Lead who can help Enphase in delivering high quality Cloud and Mobile Based Applications. Experience with functional (Web, Mobile, API) and non-functional (performance, load, security, installation, localization etc.) testing is a must for this role. Experience with Wed and Mobile automation using Selenium/Appium/Java, and API automation testing is essential for this role. Quality mindset with good understanding of processes and tools with continuous improvement mindset is required. System Level Experience with IOT based product line is highly desirable.    Be responsible for quality of entire application suite offered by Enphase to large customer base and mentor/manage the team of QA engineers/leads to enable Enphase supersede Customer Expectations. Enable Enphase to succeed in the market by building high quality bug free applications for various stakeholders of the company including Customer Support, homeowners, and installers.    <h3 style="margin-bottom:0.0cm;">What you will do</h3><ul><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Ability to execute component, functional and system level test testing of Web and Mobile applications and platforms including APIs</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Ability to execute test plans across devices matrix including various software stacks combinations (Browsers + OS + Viewport configurations)</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Setting up, configuring, and troubleshooting test environment as needed to execute various scenarios. Creation of Master Test Plan, Detailed Test Plan, Test Cases, and other testing deliverables in accordance with SDLC guidelines via manual and automated toolsets</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Experience in performance &amp; load testing Ability to automate most test cases and Manual execution of remaining cases Investigate test failures, log defects, and verify bug fixes</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Prepare and Analyze test results to aid in problem-solving and facilitate decision-making</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Identifying test gaps and opportunities to expand our test case coverage utilizing prior quality and testing experience</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Establishing and maintaining thorough and accurate documentation of all work Collaborating with other Development teams to identify and resolve product defects in a timely fashion</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Suggesting system designs that facilitate the system testing and looks for opportunities to automate the feature delivered to the Test team</li></ul><h3 style="margin-bottom:0.0cm;">Who you are and what you bring</h3><ul><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">BE/ B.Tech / MS / M.Tech degree in Computer Science, Electrical Engineering, and related discipline with good academics</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">8-12 years of Cloud, Mobile and System Test experience in a manual/automated test environment</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Experience in automating test cases using Selenium WebDriver, Python, Ruby, Appium, JMeter or similar automated test tool or development language</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Experience in testing Web, Mobile applications, APIs, and Embedded Systems</li><li style="margin-left:25.0px;list-style:inherit;text-align:left;font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Hands on experience in any of the performance testing tools like locust / Jmeter / k6</li><li style="margin-left:25.0px;list-style:inherit;text-align:left;font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Good understanding of protocols of HTTP/HTML, Web Services</li><li style="margin-left:25.0px;list-style:inherit;text-align:left;font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Good to have AWS Performance testing experience for SQS/MQTT</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Self-motivated individual with the ability to work under minimal supervision Solid understanding of the Software Development Life Cycle including Agile methodology</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Good working knowledge of any oriented programming language such as Java, Ruby or Python Possess experience in Test Planning, execution, tracking tool, preferably JIRA, Confluence Experience with Git and Continuous integration tools like Jenkins etc.</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Good written and verbal communication skills. Exposure or knowledge in Renewable Tech companies</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Familiarity with working with any embedded or telecom or hardware product is desirable</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Ability to work in a fast-paced environment</li><li style="font-family:sans-serif , arial , helvetica;font-size:10.0pt;">Experience with IoT based systems preferred</li></ul>

Revolutionizing clean energy solutions worldwide. Join us in our mission and experience a sustainable future.

EVSE - Staff QA Automation Engineer

<div><div>Batteries have a big role to play in tackling the climate crisis, and it’s essential to make sure that they’re safe and reliable to operate.At Zitara (YCombinator S20), we build cutting-edge software solutions that empower companies to deeply understand their batteries, both in design and deployment. It’s all part of our work to enable a renewable energy revolution, powered by safer batteries, at a lower cost, with less waste. Our customers operate &gt;$100M deployments of batteries in satellites, EVs, and renewable energy storage installations.Our team brings top researchers in physics-based battery algorithms together with seasoned software engineers to build safety-critical firmware and large scale machine learning systems. We bring with us decades of experience from companies like Tesla, Cruise, and Google.</div></div><div><h2>Role</h2>The Embedded Systems team is responsible for developing and delivering Zitara Live, our industry-leading software package to deliver adaptive controls software onboard batteries across EV, aerospace, IoT, utility-scale storage applications, and beyond. Zitara Live algorithms are powered by Zitara's proprietary battery models, which apply advanced numerical methods to provide precise, actionable battery insight. Zitara Live serves a broad range of customers operating across diverse platforms, from small embedded microcontrollers to full POSIX server systems, while meeting high-assurance guarantees and hard real-time requirements. Our work supports flexibility, efficiency, and robustness, and spans all phases of the software lifecycle across algorithm implementation, verification and testing, application packaging for distribution, and incorporating customer feedback.We are seeking a Staff Software Engineer to join the Embedded Systems team. In this role you will architect and implement complex algorithmic firmware and systems-level software; design and create solutions to make core functionality available across a variety of systems and platforms; and provide guidance on the practical realities of delivering real-time software to multiple customers.The nature of Zitara Live as a product that supplies capability to our customers’ systems means that our work spans the full range of the software/firmware stack, from bare-metal embedded contexts all the way up to distributed server-based applications. Success in this role can take several forms, and we are interested in candidates with deep domain expertise as well as candidates with a broad experience base.<h2>Responsibilities</h2><ul><li>Understand complex problems across multiple disciplines and apply software engineering methodology to attack them.</li><li>Architect and Implement software to meet high-assurance and reliability requirements in portable C</li><li>Collaborate with cross-functional teams to integrate new product features and evaluate customer requirements.</li><li>Collaborate with project and product management to scope and schedule work to meet customer needs.</li><li>Create testing and verification frameworks to characterize performance and correctness across multiple targets.</li><li>Proactively identify opportunities for product functionality, development process, and team function.</li><li>Develop applications and systems to package and distribute the Zitara Live product to customers.</li><li>Generate concise customer-facing documentation and reference materials.</li><li>Provide mentorship and guidance to junior engineers.</li></ul><h2>Qualifications</h2><ul><li>Bachelors in Computer Science, Electrical Engineering, or equivalent.</li><li>6+ years experience in industry software development in systems level C.</li><li>Creative problem solving to meet customer needs under limited resource and engineering constraints.</li><li>Track record of technical leadership and product ownership.</li><li>Experience shipping an embedded product to customers.</li><li>Strong product mindset with experience meeting customer needs.</li><li>Demonstrated ability to lead the development of complex software/firmware systems.</li><li>Experience with embedded toolchains and build systems.</li><li>Familiarity with basic git workflows for collaborative software development.</li><li>Clear and effective written and interpersonal communication skills.</li></ul><h2>Bonus Qualifications</h2><ul><li>Familiarity with battery or energy systems applications.</li><li>Familiarity with analog sensing and signals.</li><li>Experience with test-driven development for embedded systems and hardware-in-the-loop testing.</li><li>Practical knowledge of digital signal protocols such as I2C, SPI, and CAN.</li><li>Practical knowledge of network messaging protocols, such as MQTT or otherwise.</li><li>Experience with Rust.</li><li>Experience with Bazel.</li><li>Working knowledge of control systems (eg PID control or state estimation).</li><li>Knowledge of numerical methods and pitfalls with floating point math.</li><li>Experience in high assurance systems development (eg, ISO26262 or DO178).</li></ul><h2>What We Offer</h2><ul><li>A full-time position, working from our office in San Francisco, CA or remotely.</li><li>Salary range $170,000 to $220,000 annual base.</li><li>Health, Dental, and Vision care for you and your family.</li><li>A 401k savings plan.</li><li>“Unlimited PTO” vacation policy.</li><li>Excellent colleagues that are interested in your happiness and growth.</li></ul></div>

Zitara Technologies: Cloud-ready software empowering companies to optimize battery performance and enhance fleet operations.

Staff Software Engineer | Embedded Systems 

Are you ready to build America’s clean energy future with the team that will deliver? Form Energy is an American energy technology and manufacturing company. We are pioneering a new class of iron-air batteries to enable our electric grid to run on renewable, reliable, and affordable energy, every day of the year. Form Energy has been recognized by TIME as “One of the Best Inventions of 2023” for its battery technology and by MIT Technology Review as a “Top Climate Tech Company to Watch”. We are making rapid progress on our mission of delivering energy storage for a better world, and are growing just as rapidly to meet demand. Our team has more than doubled in size in the past year, and continues to expand every day. We have signed contracts with leading electric utilities across the United States. Pilot production of our iron-air batteries has already begun, and later this year, production will take off to high volumes at our new factory in West Virginia. Working for Form Energy is more than just a job, it’s a chance to be part of something extraordinary. And right now might be the most exciting moment in the company’s history to join. We are assembling a team of some of the most talented and motivated individuals across the country. Driven by our core values of humanity, excellence, and creativity, our team is determined to deliver on our mission and transform the energy landscape for the better.Feeling energized to make a meaningful impact on the world? Then keep reading - you’ve come to the right place. <h2>Role Description</h2>Form Energy is hiring a Staff Embedded Systems Engineer to drive the development of a productized battery management and control system. As part of our System Controls  team, you will write the software for the control and telemetry of our Multi Day Storage battery system. This role is focused on the control of our Inverters and DCDCs to ensure the correct battery cells get efficiently charged at the correct rates. This is an exciting opportunity to help shape and be part of the growth of a fast-moving company with breakthrough technology and an incredible mission!<h3>What you'll do:</h3><ul style=""><li>Develop and maintain a Matlab/Simulink model of power flow algorithms for real time control of inverters, DCDCs, and battery strings to maximize power capability and efficiency.</li><li>Deploy these power flow algorithms on embedded Linux platforms in our Golang codebase</li><li>Test this power flow code in our power conversion lab as well as field deployments to ensure the deployed software meets product requirements.</li><li>Collaborate with the Power Systems Electrical Engineering team to ensure bus stability across all operational conditions while meeting power flow goals.</li><li>Manage the software development and delivery process through bring-up, integration, test and high volume manufacturing.</li></ul><h3>What you'll bring:</h3><ul style=""><li>7+ years of experience in embedded software development.</li><li>Strong knowledge of Power Systems Modeling and Control, preferably with Matlab/Simulink experience.</li><li>Strong knowledge of a systems language such as Golang (preferable), C++ or Rust</li><li>Working knowledge of protocols such as  Protobufs, MQTT, GRPC as well as distributed databases and message queues</li><li>Excellent communication and organizational skills</li></ul>#LI-Onsite#LI-TR1Humanity is a cornerstone of Form Energy’s culture, and we make sure our compensation and benefits reflect that. Form Energy offers competitive salaries, stock options, and a holistic benefits package to ensure all employees have what they need to thrive while working here. When it comes to you and your family’s health, we cover 100% of medical, dental, and vision premiums for full-time employees - and 80% of healthcare premiums for dependents. This starts from day one. We also offer at least 12 weeks of paid leave for new parents (up to 20 weeks for birthing parents), and generous vacation policies to give employees time to recharge when needed. To build a clean and equitable energy future, we need everyone at the table. We strive to form a team as diverse as the communities we will serve with our technology, and are committed to maintaining an inclusive environment for all employees. We are proud to be an equal opportunity employer, and encourage candidates from all backgrounds to apply to our open jobs.

Revolutionizing renewable energy with cost-effective, multi-day storage systems for a reliable and sustainable electric grid.

Staff Embedded Systems Engineer - Power Controls

Staff Embedded Firmware

Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries.                              We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects.                          If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase!               About the roleAt Enphase we are also committed to diversity and inclusion. Developing cutting edge technology requires a workforce as diverse as the populations we wish to serve. We are a values-driven company that puts people and their power at the centre of our shared energy future.  What will you do.<ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Designing and implementing embedded software for real-time operation (free RTOS) and control.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Simulating new algorithms for autonomous microgrid power flow management.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Developing unit and system development and test software.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Validating algorithms using system simulation tools.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Working with hardware engineers to test and troubleshoot prototype designs.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Firmware testing.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:5.0pt 0.0pt 5.0pt 45.25pt;padding-left:9.5pt;text-indent:0.0pt;">Mentor Junior Engineers</li></ul>Who you are and what you bring. <ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">BS/MS/PhD Electrical Engineering or Computer Engineering or Computer Science</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">BS and 15+ years / MS and 12+ years / PhD and 8+ Years’ experience in a similar (non-academic) role as an embedded software or firmware engineer</li></ul><ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Expertise in C++, C, and Assembly for real-time applications.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Expertise in both bare metal and small real-time operating systems</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Able to understand and implement digital signal processing (DSP) concepts in a microcontroller environment.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Familiarity with 16-bit and 32-bit ARM Cortex-M4/7 architectures.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Familiarity with evaluating CPU versus hardware processing requirements and trade-offs for cost-effective designs.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Ability to troubleshoot firmware related issues within complex systems.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Ability to test code and hardware both with and without external test equipment such as oscilloscopes, power meters, etc.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Familiarity with software development processes. E.g. Agile, Structured, Object Oriented, etc.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Familiarity with development tools such as GCC, GDB, Eclipse, GNU Make, etc.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Familiarity with software code management tools such as GITHUB, Docker, Bitbucket, Mercurial, etc.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Ability to carry a design task from concept to implementation.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Ability to document engineering requirements, document solutions, and test new firmware designs.</li></ul><ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">STM32 Cortex-M family development experience</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">ESP32 family development experience is a plus</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">FreeRTOS development experience</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">AWS IoT experience</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Desktop and embedded Linux experience</li><li style="margin:0.0pt 0.0pt 0.0pt 45.35pt;list-style:inherit;background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;padding-left:9.35pt;text-indent:0.0pt;">In depth knowledge of relevant worldwide standards such as IEEE 1547, 1741SA, CA Rule 21, UL2743, UL1998, and IEC62109 standards</li><li style="margin:0.0pt 0.0pt 0.0pt 45.35pt;list-style:inherit;background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;padding-left:9.35pt;text-indent:0.0pt;">Familiarity with Lithium ion based Battery management systems development for safety, functionality and performance.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Knowledge in worldwide electrical advanced grid functions and faults conditions is a plus</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">In-depth familiarity with AC grid simulators and solar panel simulators is a plus</li></ul>   Work location:<ul><li style="background-color:rgb(255,255,255);line-height:15.0pt;">Bangalore - India</li></ul>

Sr. Staff Embedded Firmware Engineer

<div>Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries.   </div><div> We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects.    </div><div>If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase!   </div><div> To power our growth, we are currently seeking Embedded Firmware Engineers at Senior and Staff levels. We are building teams with highly talented individual contributors and leaders to design, develop, and manufacture next generation solar technologies.    </div>About the role<div>In this role, you will join a talented team, focused on the products that will power tomorrow. This includes our world renowned microinverters, battery storage, and EV products, as well as future products in development.  </div><div>What you will be doing<ul><li>Design and implement embedded software involving Real Time Operating System (RTOS). </li><li>Developing board level and system level software for solar and battery based portable products. </li><li>Working with hardware and system engineers to conceptualize and document the design architecture for implementation.  </li><li>Firmware EVT testing (engineering validation testing) once the design code is ready  </li><li>Working with DVT (design validation testing) engineers to test and troubleshoot prototype designs. </li><li>Coach/train other technical employees in firmware team </li></ul> </div><div>Who you are and what you bring<ul><li>BS/MS/PhD Electrical Engineering or Computer Engineering or Computer Science </li><li>BS and 10 + years / MS and 6 + years / PhD and 3 + Years’ experience in a similar (non-academic) role as an embedded software or firmware engineer </li><li>Expertise in C for real-time applications and Python scripting. </li><li>Expertise in both bare metal and real-time operating systems (RTOS) </li><li>Familiarity with ARM Cortex-M4/7, STM32 or similar microcontroller architectures. </li><li>Evaluating CPU vs hardware processing requirements and trade-offs for cost-effective designs. </li><li>Ability to troubleshoot firmware related issues within complex systems and test HW/SW with and without external test equipment such as oscilloscopes, power meters, etc. </li><li>Familiar with software development processes. E.g. JIRA, Agile, Kanban, V model, etc. Code reviews, pull requests, package releases and familiarity with development tools such as GCC, GDB, Eclipse, GNU Make, etc. </li><li>Familiarity with software code management tools such as GIT-hub, Bitbucket, Mercurial, etc. </li><li>Experience carrying a design task from concept to implementation and verify. </li><li>Experience documenting engineering requirements, solutions, and test new firmware designs. </li><li>STM32 Cortex-M family development experience </li><li>FreeRTOS and/or Zephyr development, as well as Docker experience </li><li>Familiarity with AC grid simulators and solar panel simulators is a plus  </li><li>Familiarity and experience with Battery Management System (BMS) is a plus. </li><li>ESP32 or similar radio modules for Wifi/ Bluetooth experience is a plus </li></ul>  </div><div>The base pay range for this position is $100,000 to $140,000 per year. This salary range may be modified in the future, based on skills and experience. The successful candidate’s starting pay will be determined based on job-related skills, experience, education or training, work location, and market conditions. This position is also eligible for a quarterly bonus, equity, and benefits, including ESPP, 401K matching and Tuition Reimbursement.  </div>

Staff Embedded Firmware Engineer

<h3>Our Mission  </h3>SPAN develops products that accelerate the home's rapid adoption of renewable energy. The flagship SPAN Smart Panel is the first true evolution of the traditional home electric panel, harnessing enhanced metering, monitoring, and control technology. An expanded product suite of intelligent, integrated solutions radically lowers the cost and complexity of energy upgrades–including solar, batteries, and EVs–empowering homeowners to be active, resilient, and informed players in the energy market. <h3>The Role </h3>SPAN’s R&amp;D team seeks an experienced and driven Sr Staff Firmware Engineer to be instrumental in developing market-leading converters hardware through all stages of the product’s lifecycle. In this role, you will drive the efforts to research, design, and optimize our power system portfolio integrated with SPAN’s panel, grow SPAN’s IP, and collaborate with hardware, controls, and mechanical teams to implement technologies that electrify the home and delight our customers. Candidates should be comfortable and excited to grow a team of highly skilled power electronics, hardware design, EMC, and magnetics-focused electrical engineers to advance SPAN’s product portfolio. In this role, you will:<ul><li>Be part of the R&amp;D Firmware Engineering team developing Functional Safety Code for power converters.</li><li>Own and support firmware architecture decisions and implementation in embedded systems in compliance with safety standards for hardware products.</li><li>Lead functional safety activities during the entire product development life cycle, including concept, requirements gathering, design, risk analysis, verification/validation, and release, working with a broad set of design engineers, program managers, and test engineers.</li><li>Work with Span’s top-notch systems, electrical, and firmware teams to design new systems to support functional safety along the entire stack — from microcontroller selection to algorithms to communications architecture.</li><li>Mentor junior and entry-level firmware engineers.</li></ul><h2>About You</h2>Required QualificationsWe are seeking an experienced electrical engineer who has:<ul><li>BS in Computer or Electrical Engineering with at least five or more years of experience developing firmware for power converters.</li><li>Experience developing firmware for embedded systems for grid-tied power converters, energy storage converters, or any other renewable energy source converter (e.g., wind, fuel cell, etc).</li><li>Experience in guiding/leading UL 1998, IEC 60730, or IEC 61508 certification processes for complying with safety standards such as UL 1741 or UL 9540.</li><li>Experience implementing grid code requirements, such as UL1741SB, IEEE-1547 2018, and California Rule 21, into embedded systems.</li><li>Experience in driving system-level requirements and breakdown into software requirements and keeping traceability throughout the development cycle.</li><li>Experience in interacting with controls and hardware engineers to solve complex issues related to intermodulation distortion, signal processing for HV, HC signals, and protection of semiconductor devices.</li><li>Experience programming Embedded Systems using C++ or Object Oriented C.</li><li>Experience with Functional Safety Capable Microcontrollers or Digital Signal Processors (DSP) from TI, ST, and Microchip.</li></ul>Bonus QualificationsWe would love to hire someone who has:<ul><li>MS in Computer or Electrical Engineering with at least five or more years of experience developing firmware for power converters.</li><li>Worked on products deployed in the field for residential or commercial/utility-scale projects.</li><li>Worked on a project that has passed UL certification processes.</li><li>Hands-on experience in debugging digital and analog circuits</li><li>Experience Building Automated testing infrastructure for HIL systems.</li><li>Experience working in power lab environments and in all levels of the development cycle, from prototyping to full production.</li></ul>The U.S. base salary range for this position is $190,000 - $225,000 plus benefits, equity and variable compensation for Sales-related roles. This range represents SPAN’s good faith estimate of competitively-priced salary for the role based on national, real-time industry data from companies of a similar growth stage. This range reflects minimum and maximum new hire salaries for the role in San Francisco county. Within the range, individual pay is determined by location and individual factors including relevant skills, experience and education or training. This range correlates to the relative level of the candidate we believe we need for the role and may require an adjustment for candidates of a different level. Your recruiter can share more about the specific salary range for the location this role is based during the hiring process. <h3>Why Span?</h3>SPAN offers a unique opportunity at a startup based in the SOMA neighborhood of San Francisco. We are a small, diverse team of creative thinkers. We value open communication, teamwork, and a make-it-happen attitude - no job is too big or too small. We strive to make change by imagining the future and building a product to complete that vision. We are looking to grow our team with talented people who are on the same mission to shape the future of energy. Working at SPAN, you can expect:<ul><li>Competitive compensation and early equity at a well-funded, fast-growing, venture-backed company (read more on why Amazon and others invested in SPAN <a href="https://www.span.io/span-smart-panel-funding-and-amazon-alexa-smart-home-integration">here</a> and <a href="https://www.span.io/span-funding-tdk-ventures">here</a>)</li><li>A sunny 20,000 sq ft hardware lab + office space in SOMA, a stone’s throw from Caltrain and close to BART</li><li>Flexible hours and vacation time - we simultaneously work hard and make space for the important stuff</li><li>Additional SPAN holidays in celebration of causes we believe in (i.e. Black History Day, International Women’s Day, Earth Day and Gay Pride &amp; Juneteenth among others)</li><li>Comprehensive benefits including a choice of medical plans; dental, vision, life and disability insurance</li><li>Diversity - we are serious about this. Span embraces diversity and equal opportunity in a serious way. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better our work will be.</li></ul>

Developing intuitive renewable energy products for a simple and delightful home experience, SPAN embraces technology and humanity.

Senior Staff Firmware Engineer

<h2>The Role</h2>We are looking for experienced, generalist battery systems engineers to drive the successful integration of Zitara’s battery design and management software into customer applications.At Zitara, battery systems engineers are our “power users”. They can leverage their battery industry expertise to develop technical solutions that maximize the value of Zitara software in customer batteries, and do so across a diverse set of energy storage applications. The role combines both internally- and externally-facing responsibilities, where you will drive technical decision-making on customer programs, and aid in overall product planning and development as a customer advocate and key subject-matter expert within Zitara.The battery systems engineer, who will work with a variety of internal and external stakeholders with varying levels of subject-matter expertise, must have both robust technical skills and strong emotional intelligence. The ideal candidate will have direct technical experience with battery systems, such as battery hardware or software engineering, battery cell development, or battery-related technical project management.<h2>Responsibilities</h2>Common battery systems engineering responsibilities at Zitara are given below. Specific responsibilities for individual engineers may be geared toward their particular technical strengths and battery systems experience. <ul><li style="font-weight:400;">Drive the successful integration of Zitara software in customer battery systems:</li><ul><li style="font-weight:400;">Design battery test and instrumentation strategies.</li><li style="font-weight:400;">Perform analyses on battery data collected in both the lab and field.</li><li style="font-weight:400;">Create battery system simulations using Zitara design tools.</li><li style="font-weight:400;">Integrate Zitara software into new compute platforms embedded within customer battery systems.</li><li style="font-weight:400;">Help customers optimize battery design choices.</li></ul><li style="font-weight:400;">Guide and mentor customers as they adopt Zitara products, helping them maximize the value of Zitara software when integrated in their applications.</li><li style="font-weight:400;">Write externally-facing technical documentation, and provide direct technical support to customers when they encounter difficulty.</li><li style="font-weight:400;">Support Zitara non-battery-expert engineering staff in making technical product development and operational decisions requiring battery expertise.</li><li style="font-weight:400;">Develop an in-depth understanding of customer needs across the industry, and drive Zitara product development by identifying product gaps and advocating on behalf of our customers internally.</li><li style="font-weight:400;">Author technical materials for public consumption, such as white papers and blog entries, that demonstrate Zitara’s capabilities and technical leadership.</li><li style="font-weight:400;">Directly participate in Zitara’s product planning and development process. </li></ul><h2>Minimum Qualifications</h2><ul><li style="font-weight:400;">Bachelors' in technical subject or equivalent proficiency.</li><li style="font-weight:400;">Technical experience with lithium ion battery systems, such as:</li><ul><li style="font-weight:400;">Battery hardware engineering.</li><li style="font-weight:400;">Battery software engineering.</li><li style="font-weight:400;">Battery test engineering.</li><li style="font-weight:400;">Battery algorithms design.</li></ul><li style="font-weight:400;">Project management skills.</li><li style="font-weight:400;">Clear and effective communication abilities.</li><li style="font-weight:400;">Willingness to travel to meet customers in-person. </li></ul><h2>Preferred Additional Qualifications</h2><ul><li style="font-weight:400;">Comfortable programming in Python and/or C.</li><li style="font-weight:400;">Practical experience in customer-facing roles. </li></ul><h2>What We Offer</h2><ul><li style="font-weight:400;">A full-time position, working three days per week from our office in San Francisco, CA, and up to two days per week remotely (optional).</li></ul><ul><li style="font-weight:400;">Competitive pay.</li><li style="font-weight:400;">Health, Dental, and Vision care for you and your family.</li><li style="font-weight:400;">A 401k savings plan.</li><li style="font-weight:400;">“Unlimited PTO” vacation policy.</li><li style="font-weight:400;">Excellent colleagues that are interested in your happiness and growth.</li></ul>

Senior Applications Engineer (Battery Systems)

<div>Hanwha Q CELLS Co., Ltd., is one of the world´s largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) and Talheim, Germany (Technology &amp; Innovation HQ). Through its growing global business network spanning Europe, North America, Asia, South America, Africa, and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, government, and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm and a Top 7 business enterprise in South Korea. </div><div> </div><div>Our mission is to provide affordable and smart energy solutions through technology and innovation to create a sustainable future for the planet. We are expanding our business by offering revolutionary energy systems to residential customers including ESS, MLPE (power optimizers, micro-inverters), EV charging solutions, and Smart IoT with world-class solutions.</div><div> </div><div>POSITION OVERVIEW</div><div>The ideal candidate for the position is someone who has experience with power electronics development and can own product development through all stages of conception, prototype, and productization. In this role, you will work closely with a talented engineering team in a fast-paced environment to apply emerging technologies in innovative ways to rapidly produce new products.</div> <h3>RESPONSIBILITIES</h3><ul><li>Lead power electronics design in support of new product development.</li><li>Work effectively with cross-functional teams to resolve early (architectural) and late (lab, test &amp; validation) on fast timelines.</li><li>Design and implement DC/DC, AC/DC and DC/AC conversion circuitry</li><li>Perform hardware bring-up and integration of power electronics circuits and modules and support power conversion systems hardware/software integration</li><li>Lead collaboration with 3rd party partners</li></ul><h3>REQUIRED QUALIFICATIONS</h3><ul><li>Bachelor of Science (BS) or Master of Science (MS) degree in Electrical Engineering from an accredited university.</li><li>Minimum of 7 years of industry or university research experience in power electronics design, analysis, test, and troubleshooting. More experienced candidates are also encouraged to apply.</li><li>Architect and design high power dc and ac systems for PV power system, EV chargers, and power storage systems.</li><li>Design and develop advanced soft switching from sub KW to tens of KWs at voltage range 100V to 1KV.</li><li>Responsible for all aspects of product design, including modelling, key component selection, schematic capture, PCB layout, code development, magnetics design, thermal design, regulatory and compliance considerations, DFM.</li><li>Utilize power topologies such at LLC, phase shifted full bridge, flyback, forward, multi-level converters including PFC (single phase and three phase) and associated techniques such as ZVS/ZCS.</li><li>Model power designs using analysis tools such as PSIM, Matlab and spice. </li><li>Create designs based on both off the shelf integrated circuit controllers, FPGAs / PLDs and DSP digital control using embedded software development experience.</li><li>Strong experience in feedback loop controllers and their stability and performance optimization</li><li>•Plan and implement HW verification during product development, to ensure the electrical design meets specifications and requirements, by recording and analyzing test data.</li><li>Extensive industry experience designing successful power electronics products from concept through schematic, layout, manufacturing, test, and deployment.</li><li>Expertise in power circuit analysis, such as worst-case circuit analysis, failure method effectivity and criticality, and reliability.</li><li>Expert-level proficiency in electronics design (EDA) tools such as Altium.</li><li>Expert-level proficiency in PCB layout for power circuits.</li><li>Experience with power integrity simulation tools such as Ansys or ADS.</li><li>Extensive hands-on experience with lab instruments such as oscilloscopes, RLC analyzers, impedance analyzers, spectrum analyzers, electronic (AC/DC) loads, and signal/power generators.</li><li>Ability to analyze and optimize circuits and designs for cost.</li><li>Demonstrated self-starter with the ability to handle multiple tasks simultaneously in a fast-paced global automotive design and manufacturing environment.</li><li>Demonstrated the ability to transition from theoretical to implementation-based thinking</li><li>Very strong analytical skills and detail-oriented.</li><li>Excellent written and verbal communication skills.</li></ul><h3>PREFERRED QUALIFICATIONS</h3><ul><li>Master's or PhD in Power Electronics.</li><li>Experience in renewable product development</li><li>Experience with full product development process including EMI/EMC testing, certification processes, failure analysis, etc.</li><li>Experience working with x-functional teams: mechanical, software, and test.</li><li>Knowledge of industry standards such as UL 1741, IEEE 1547, and NEC code for renewable energy is a plus.</li><li>Design of high-frequency DC/DC converters utilizing Wide Bandgap Semiconductor devices, particularly GaN and Silicon Carbide FETs in addition to high-efficiency MOSFETs.</li><li>Experience with Size Weight, Power optimization, and cost reduction.</li><li>Experience with integrated components and small form factor magnetics.</li><li>Experience studying emerging technologies and applying them in innovative ways.</li><li>Some travel is expected.</li></ul> <div>PHYSICAL, MENTAL &amp; ENVIRONMENTAL DEMANDS:</div><div>To comply with the Rehabilitation Act of 1973 the essential physical, mental, and environmental requirements for this job are listed below. These are requirements normally expected to perform regular job duties. Incumbents must successfully perform all job functions with or without reasonable accommodation. </div><div>Mobility</div><div>Standing 20% of the time </div><div>Sitting 70% of the time </div><div>Walking 10% of the time </div><div>Strength</div><div>Pulling up to 10 Pounds </div><div>Pushing up to 10 Pounds </div><div>Carrying up to 10 Pounds </div><div>Lifting up to 10 Pounds </div><div>Dexterity (F = Frequently, O = Occasionally, N = Never)</div><div>Typing: F</div><div>Handling: F</div><div>Reaching: F</div><div>Agility (F = Frequently, O = Occasionally, N = Never)</div><div>Turning: F</div><div>Twisting: F</div><div>Bending: O</div><div>Crouching: O</div><div>Balancing: N</div><div>Climbing: N</div><div>Crawling: N</div><div>Kneeling: N</div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div>

Leading the way with our complete energy solutions for a sustainable future.

Staff Power Electronics Engineer

<div>Our mission at Enphase Energy is to advance a sustainable future for all.</div><div> </div><div>Today, our intelligent microinverters, which turn sunlight into an affordable, safe, reliable, and scalable source of energy, work with virtually every solar panel made, and when paired with our award-winning smart battery technology, we engineer one of the industry's best-performing clean energy systems. To date, we have installed more than 42 million microinverters on more than 1.9 million homes across 130 countries.</div><div> </div><div>Like our customers, our innovative teams are also worldwide, making Enphase Energy a truly global company. We are one of the fastest growing and most dynamic energy companies in the world. Nimble and acutely focused on developing ground-breaking solar energy management technology, each of our teams has a shared goal of creating a carbon-free future.</div><div> </div><div>Do you want to help change the world? Learn more about the role:</div><div> </div><div style="line-height:15.0pt;background:white;margin:7.5pt 0.0cm 7.5pt 0.0cm;">Enphase is seeking a highly effective and driven Staff Firmware Engineer to join our high performing team based at our Research and Development Center located in Wigram, Christchurch.</div><div style="line-height:15.0pt;background:white;margin:7.5pt 0.0cm 7.5pt 0.0cm;">You will be working in a team of engineers who are tasked to design, enhance and test the latest generation of our power converter and energy storage product range.</div><div style="line-height:15.0pt;background:white;margin:7.5pt 0.0cm 7.5pt 0.0cm;">Role/Duties:</div><ul><li>Designing and implementing embedded software for real-time operation and control.</li><li>Simulating new algorithms for autonomous microgrid power flow management.</li><li>Developing unit and system test software.</li><li>Validating algorithms using system simulation tools.</li><li>Working with hardware engineers to test and troubleshoot prototype designs.</li><li>Firmware testing.</li></ul><div style="line-height:15.0pt;background:white;margin:7.5pt 0.0cm 7.5pt 0.0cm;">Requirements:</div><ul><li>Expertise in C++, C, and Assembly for real-time applications.</li><li>Able to understand and implement digital signal processing (DSP) concepts in a microprocessor environment.</li><li>Familiarity with evaluating CPU versus hardware processing requirements and trade-offs for cost-effective designs.</li><li>Ability to troubleshoot firmware related issues within complex systems.</li><li>Ability to test code and hardware both with and without external test equipment such as oscilloscopes, power meters, etc.</li><li>Familiarity with software development processes. E.g. Agile, Structured, Object Oriented, etc.</li><li>Familiarity with development tools such as GCC, GDB, Eclipse, GNU Make, etc.</li><li>Familiarity with software code management tools such as GIT, Mercurial, etc.</li><li>Ability to carry a design task from concept to implementation.</li><li style="font-size:12.0pt;">Ability to document engineering requirements, document solutions, and test new firmware designs.</li></ul><div style="line-height:15.0pt;background:white;margin:7.5pt 0.0cm 7.5pt 0.0cm;">Qualification and Previous Experience:</div><ul><li style="font-size:12.0pt;">B.Eng in electrical, mechatronic, computing or equivalent.</li><li style="font-size:12.0pt;">8 + years related experience </li></ul><div style="line-height:15.0pt;background:white;margin:7.5pt 0.0cm 7.5pt 0.0cm;">What would make you stand out?</div><ul><li style="font-size:12.0pt;">Experience implementing systems compliant to JEM1498 or other Japanese standards</li><li style="font-size:12.0pt;">Proven performance, in a similar role, in a Research and Development environment.</li><li style="font-size:12.0pt;">Exposure to interrupt services and drivers in embedded software control.</li><li style="font-size:12.0pt;">Experience with power electronics systems.</li><li style="font-size:12.0pt;">Experience with solar inverters.</li><li style="font-size:12.0pt;">Experience with 32-bit ARM processors and 8-bit 8051 processors.</li><li style="font-size:12.0pt;">Experience with UL1741, IEEE1547 and other solar-related standards.</li><li style="font-size:12.0pt;">Familiarity with automated test scripts/setups, using Python.</li></ul><div style="line-height:15.0pt;background:white;">Employee Benefits:  </div><ul><li style="font-size:12.0pt;">Restricted stock units as part of your total compensation </li><li style="font-size:12.0pt;">Bonus plan </li><li style="font-size:12.0pt;">Wellbeing and insurance benefits for you and your family</li><li style="font-size:12.0pt;">Annual performance reviews </li><li style="font-size:12.0pt;">Opportunities for career growth and development</li><li style="font-size:12.0pt;">Working in a well-equipped laboratory and facility</li></ul><div style="line-height:15.0pt;background:white;">About Enphase Energy</div><div style="background:white;">Enphase Energy is a multi-national company with many global locations, sales and marketing, operations, and research and development. </div><div style="background:white;"></div><div style="line-height:15.0pt;background:white;">Find out more:</div><div style="background:white;"><a href="https://enphase.com/en-au/company"><a href="https://enphase.com/en-au/company">https://enphase.com/en-au/company</a></a></div>

Staff Firmware Engineer

<h2>The Role</h2>We aim to establish the Span panel as the center of home energy and the backbone of the renewable distributed grid. Analytics and ML are essential tools to develop features for the smart, green, energy-efficient home of the future. Span’s unique ability to monitor and control individual circuits opens up a new avenue for proactive whole-home management and equipment failure detection. As Staff ML Engineer, you will leverage your deep understanding of ML, modeling, and statistics to solve problems including anomaly detection, event prediction and context understanding with the goal to optimally manage whole-home energy consumption, deliver meaningful insights to the customer, and notify them about a potential failure of equipment or hazards in their home. You’ll spearhead the entire development process, from working with the product team to define scope, the the firmware team to assess what can be implemented, the cloud team on ML ops, and the data collection team for training data. That said, we are a startup - broad range of production software development skills, flexibility to wear many hats, and enthusiasm to learn will go a long way.ResponsibilitiesLead the development of ML algorithms from the ground up which includes:<ul><li>Gain knowledge in the relevant domain (e.g.appliance signatures, failure modes, load disaggregation)</li><li>Feature engineering (including embedded implementation)</li><li>Use your experience with different machine learning frameworks to identify suitable tools for integration in Span’s software platform</li><li>Integrate developed algorithms in our production code base with robust test coverage</li><li>Work with the firmware and software teams to design Span’s edge model deployment framework</li><li>Proactively identify opportunities within Span that can benefit from data science analysis</li><li>Use fleet data to monitor algorithms in the field</li><li>Guide selection of hardware for next generation products and recommend ways to future-proof our designs</li></ul>Note: We’re a startup, so while this list is broad, it’s still just a start; you’ll end up wearing many hats during your time at Span.<h3>About You </h3>Required Qualifications<ul><li>Master’s degree or higher in Computer Science, Mathematics, Engineering, or a closely related field</li><li>5+ years' of professional experience with developing and implementing machine learning models in production for a IOT / hardware related product ; 7+ years of overall experience</li><li>Deep understanding machine learning algorithms (feature extraction from high-frequency signals, ML for physical processes, model compression and edge inference)</li><li>Advanced Python skills, as well as familiarity with pandas and various ML toolkits (pytorch / tensorflow)</li><li>Software design experience and ability to write clean, maintainable, and shippable production code</li><li>Experience working with SQL and data visualization tools</li><li>Extensive data modeling and data architecture skills</li><li>Knowledge and experience working within cloud computing environments such as AWS</li><li>Strong communication and interpersonal skills</li><li>Ability to understand and explain complex problems simply and effectively</li></ul>Bonus Qualifications<ul><li>Exposure to digital signal processing as applied to feature extraction and processing</li><li>CUDA programming / distributed training methods</li><li>Experience in non-intrusive load measurement methods</li><li>Blind source separation techniques including ICA / PCA / EMD</li><li>Understanding of electrical systems and residential loads</li></ul>The U.S. base salary range for this position is $190,000 - $225,000 plus benefits, equity and variable compensation for Sales-related roles. This range represents SPAN’s good faith estimate of competitively-priced salary for the role based on national, real-time industry data from companies of a similar growth stage. This range reflects minimum and maximum new hire salaries for the role across US locations. Within the range, individual pay is determined by location and individual factors including relevant skills, experience and education or training. This range correlates to the relative level of the candidate we believe we need for the role and may require an adjustment for candidates of a different level. Your recruiter can share more about the specific salary range for the location this role is based during the hiring process.  <h2>Life at SPAN</h2>Headquartered in San Francisco’s vibrant SoMa neighborhood, we are an eclectic group of creative thinkers who value open communication, teamwork, and a ‘make it happen’ approach to addressing complex challenges. SPAN embraces diversity and equal opportunity in a serious way. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. We’re hiring talented individuals who are driven by success and are passionate about shaping the future of renewable energy. If that sounds like you, we’d love for you to consider joining the rapidly growing team at SPAN.The Perks:⚡ Competitive compensation + equity grants at a well-funded, venture-backed company⚡ Comprehensive benefits (including medical; dental, vision, life and disability insurance)⚡ Comfortable, sunny office space located near BART and Caltrain public transit⚡ Strong focus on teambuilding and company culture (events, meet-ups, clubs)⚡ Flexible hours and unlimited PTO

Staff Machine Learning Engineer

Join us at Gradient, where our purpose is to revolutionize home comfort while championing environmental sustainability. Our mission is to combat the escalating challenge of climate change by redefining how homes are heated and cooled. Today, the environmental impact of heating and cooling systems surpasses that of the entire transportation sector, and without intervention, this trend is set to escalate drastically. At Gradient, we believe that ensuring comfortable living spaces shouldn’t come at the cost of our planet. We envision a future where every individual can enjoy the luxury of a comfortable home without contributing to carbon emissions. Our high-efficiency, low-carbon heat pump is just the beginning of our journey toward fully decarbonizing buildings. By joining Gradient, you’ll be at the forefront of a movement to make sustainable living accessible to all, ensuring healthier communities and a brighter, greener future.We are looking for a Staff Firmware Engineer  to join our team who is an enthusiastic developer, likes to solve meaningful problems, and can support overall software, backend, controls, &amp; electronics strategy. The ideal candidate is very adaptable and technically minded while having an uncompromising focus and vision for our customer’s needs.An estimated starting salary for this role is $170,000-$210,000/year. This role is required to be in our San Francisco office at least 3 days per week. Responsibilities:<ul><li>Lead and own the design of our firmware architecture.</li><li>Lead and participate cross-functionally with the business and product teams to define the requirements for our product roadmap.</li><li>Contribute and collaborate to design and develop all our embedded software systems.</li><li>Investigate and implement wireless communication protocols including MQTT, BACnet and Matter.</li><li>Build systems and processes for continuous deployment, testing, and manufacturing test improvements.</li><li>Mentor other developers on the team, and create guidelines for best practices to follow.</li></ul>Desired Qualifications:<ul><li>Expert in Embedded C.</li><li>Firmware development experience in production environments.</li><li>Computer Engineering/Computer Science degree or equivalent with 7+ years of experience.</li><li>Proficiency designing RTOS based and bare metal applications..</li><li>Expert in communication protocols such as UART, SPI, and I2C.</li><li>Excellent debugging skills and familiarity with common debugging tools such as JTAG.</li><li>Proven track record of shipping high-quality electronics and software in consumer products on a tight schedule.</li><li>Proficiency reading and interpreting schematics.</li><li>Proficient in Python and other automation languages. </li></ul>Bonus Qualifications<ul><li>Experience with AWS IoT Core and related services.</li><li>Experience shipping 1 or more IoT consumer products.</li><li>Experience working with wireless communication SoCs, especially for WiFi and BLE.</li><li>Experience with Altium or similar ECAD software</li></ul>Benefits <ul><li>Equity</li><li>Medical/vision/dental/life/disability insurance</li><li>401k</li><li>Paid parental leave</li><li>Commuter benefits</li><li>Unlimited PTO within reason</li><li>Relocation package ( out of state applicants only ) </li></ul>We are committed to building a diverse and inclusive company. We seek to create a culture where everyone can belong because we believe that people do their best work when they can show up every day as their authentic selves. We welcome people of different backgrounds, experiences, abilities, and perspectives.Gradient is an equal opportunity employer. We do not make hiring or employment decisions on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, veteran status, disability status, or genetic information, in compliance with applicable federal, state and local law.

Transforming homes for comfort and health while reducing environmental impact through high-efficiency, low-carbon heat pumps.

Staff Firmware Engineer 

Staff Hardware Engineer

DVT Validation & QA Manager

<div><div>Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries.                              We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects.                          If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase!               About the role<ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Work on new products development and variants through the product lifecycle. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Work and lead with cross-functional teams of hardware, firmware, test automation, mechanical engineers, manufacturing engineers, and procurement.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Specify, design, verify and debug complex circuits and PCBs for our system products. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Design, validation and optimization of products and sub-systems. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Assist product compliance engineers to achieve global certifications for our products.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Specify engineering requirements, create test plans, and generate test reports.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Provide technical mentoring to manufacturing and field application engineers.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Raise the bar for technical excellence, accurate documentation, and scientific rigor.</li></ul> Who you are and what you bring:   <ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">B.S. and 12+ years’ experience outside of university or </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Masters and 8+ years</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">PhD and 5+ years</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Developing electronic products from the concept stage to market launch in a commercial environment. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Knowledge of circuit schematic, PCB layout and simulation tools (Allegro, OrCAD, and Pspice)</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Practical experience of in-depth bench testing and debugging of hardware designs. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Circuit design for high fidelity digital and analog signals and low EMI emissions </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Some experience using Python. </li></ul><ul style="margin:0.0pt;padding-left:0.0pt;"><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Experience with regulatory and compliance certifications. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Power Electronics circuits </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">High-volume product development </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Test automation. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">OrCad schematic capture and Cadence Allegro PCB layout </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Python programming</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Knowledge of Embedded software.</li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 0.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Power supply and inverter topologies. </li><li style="background-color:rgb(255,255,255);color:rgb(38,50,56);font-family:serif;font-size:10.0pt;margin:0.0pt 0.0pt 5.0pt 45.35pt;padding-left:9.35pt;text-indent:0.0pt;">Control theory.</li></ul>Work location:<ul><li>Bangalore - India</li></ul></div></div>

Sr. Staff Hardware Engineer

<div><h3>About our Company</h3>Equilibrium Energy is a well-funded, Series B clean energy startup backed by some of the most prominent institutional investors in climate. We are building a digital native power company operating at the intersection of grid variability, market volatility, economic optimization, commercial structuring, and risk management, across the end-to-end power value chain. Our mission is to accelerate our collective path to climate, energy, and societal equilibriums. Our goal is to become one of the next-generation, digital-native, end-to-end global clean power companies that reshapes the energy industry.New colleagues will share our vision that a next-generation energy company must be built from the ground up on deep industry expertise combined with an unwavering commitment to modern digital approaches. We design our commercial strategies, operational approaches, and product suites so as to best leverage data-driven insights, automated workflows, ML-infused pipelines, and fully automated decision engines. These capabilities are enabled by our progressively modern software stack and engineering best practices, which in turn provide the scalable platform we need to put a serious dent in carbon emissions. We’re looking for collaborative, talented, passionate and resourceful folks to join our team and help us lay the foundation for our important mission and ambitious plan.</div><h3>What we are looking for</h3>We are looking for Software Engineers to contribute across our end-to-end platform. Our software engineers work across cloud infrastructure and distributed systems, data engineering, ML engineering and MLOps, simulation ecosystems, complex workflow orchestration, microservices mesh, application development and security. Our software engineers supercharge design and delivery of our product development activities while helping to build and lead an engineering capability that is the core of the company’s strategy and identity. If you want to fight climate change and love modern tech stacks, clarity of product vision, and exceptional colleagues, this role is for you! In the near-term, you will work with other software engineers, data engineers, infrastructure engineers, ML engineers, data scientists, researchers and product managers to execute our ML- and AI-infused product development plan en route to growing our company. Have a specific interest in a particular part of our technical stack? No problem...we’re looking for technical leaders across our ecosystem.In the medium-term, you will cultivate our software engineering function by nurturing a culture of experimentation and delivery. You will design, write and optimize software to support our end-to-end product development ambitions, helping to build the core of our competitive differentiation. <h3>What you will do</h3><ul><li>Lead the design, development, testing, delivery and support of software systems across our technical stack that drive our end-to-end product development ambitions.<ul><li>Cloud and distributed systems development - contribute to building and maintaining our cloud-native platform and infrastructure; K8s, cluster management, linux containers, etc.</li><li>Data Platform and Engineering - our use cases are varied and so are our data engineering needs. From stream, batch, pub-sub, queuing, state stores, virtualization, complex data models and closed-loop pipelines, we’ve got a little bit of everything.</li><li>ML Engineering and MLOps - we aim to infuse EVERY business process with ML and AI, relying on closed-loop decision-making at every valuable juncture.</li><li>Simulation ecosystem - our ML- and AI-centric workflows need training and testing.</li><li>Workflow orchestration - we live in the land of complex, autonomous, multi-step sequential workflows operating in a distributed runtime with low latency requirements.</li><li>Service mesh - we rely heavily on reuse of core microservices to keep application development productivity high, which requires thoughtful service mesh management.</li><li>Application development - we’ve just started designing and developing across our anchor product suites, each focused on leveraging a common platform and service core. </li><li>DevSecOps - security is inherently embedded within our development and operations practices, and we leverage bespoke security techniques for some unique exposures. </li></ul></li><li>Assist in product development strategy, design, planning and productivity.<ul><li>Contribute your unique technical, user, and market knowledge to product strategy.</li><li>Contribute to product and architectural design.</li><li>Contribute to product roadmapping, resource planning and sprint management.</li><li>Contribute to product development productivity improvements, including best practices, technical documentation, code reviews and automation / utility / abstraction packages.</li></ul></li><li>Serve as a member of our technical team across both engineering and research.<ul><li>Collaborate asynchronously with engineers, researchers and product managers across time zones to design, build and ship code.</li><li>Contribute to technical strategy and planning across the company.</li><li>Represent Equilibrium in external venues, including presenting work at conferences and contributing to open-source projects.</li></ul></li></ul><h3>The minimum qualifications you’ll need</h3><ul><li>Passion for clean energy and fighting climate change</li><li>BS/Master's degree in a quantitative discipline (e.g., Computer Science, Operations Research, Industrial Engineering, Mathematics, Economics, Physics, Electrical Engineering) or equivalent practical experience.</li><li>Software development experience in Python, Go, Julia, C, or Rust.</li><li>8 years of relevant work experience.</li></ul><h3>Nice to have additional skills</h3><ul><li>PhD degree in a quantitative discipline (e.g., Computer Science, Operations Research, Industrial Engineering, Mathematics, Economics, Physics, Electrical Engineering).</li><li>8 years of relevant work experience, including expert software engineering fundamentals and experience building software to support ML and AI pipelines, and associated data structures.</li><li>Expertise in Go, Python, C, Rust, or Julia. Experience with orchestration tools like Temporal.</li><li>Advanced proficiency across a range of data engineering tools (ELT, streaming, pub-sub, relational DBs, object DBs, GraphDBs, etc.).</li><li>Deep expertise across any one of our tech stack domains: cloud infrastructure, data platform and engineering, IOT, MLOps and ML pipelines, simulation ecosystems, workflow orchestration, microservices orchestration, and/or application development.  </li><li>Familiarity supporting and releasing ML/AI models that drive operational workflows (e.g., models that run and produce new inferences every hour of the day).</li><li>Proactive communicator who can translate product design specs into organized code.</li><li>Experience communicating the results of analyses with product, engineering, and leadership teams to influence product and engineering strategy.</li><li>Demonstrated proactivity and self-direction. Willingness to teach as well as learn.</li><li>Excellent team collaboration skills and collaboration-first mentality.</li><li>Experience with trading systems. </li></ul><div><h3>Not sure this is the right role for you?</h3>We are a high growth company with accelerating hiring needs so there’s a great chance we’ll be able to create a custom role for you, now or in the future. All roles, titles and compensation packages are tailored to the applicant, so apply anyways and tell us in your cover letter about your dream role. <h3>What we offer</h3>Equilibrium is composed of deeply knowledgeable industry experts across all our functions, with decades of experience in energy-specific commercial structuring, power systems engineering, machine learning, computational research, operations research, distributed and compute-intensive infrastructure, and modern software &amp; ML engineering. Our experience in the space means we’ve previously built versions of nearly every technical component of our platform. We are now designing them better, and combining them in a holistic and novel way, to achieve global scale and climate impact. We pride ourselves on our deeply empathetic &amp; collaborative culture, honest and direct but respectful communication, and our balanced, flexible, and remote-first work environment. Employee benefits include: <ul><li style="font-weight:400;">Competitive base salary and a comprehensive medical, dental, vision, and 401k package</li><li style="font-weight:400;">Opportunity to own a significant piece of the company via a meaningful equity grant</li><li style="font-weight:400;">Unlimited vacation and flexible work schedule</li><li style="font-weight:400;">Ability to work remotely from anywhere in the United States, Canada &amp; Europe, or join one of our regional hubs in Boston, SF Bay Area, or London</li><li style="font-weight:400;">Accelerated professional growth and development opportunities through direct collaboration and mentorship from leading industry expert colleagues across energy and tech</li></ul>Equilibrium Energy is a diverse and inclusive, equal opportunity employer that does not discriminate on the basis of race, gender, nationality, sexual orientation, veteran status, disability, age, or other legally protected status.</div>

Equilibrium Energy is a well-funded clean energy startup reshaping the industry with its digital native power company. Join their mission to

Software Engineer (Staff / Sr Staff)

<div style="margin:0.0pt 0.0pt 8.0pt;font-family:'Open Sans' , Helvetica;font-size:10.0pt;font-weight:400;line-height:14.4px;color:rgb(38,50,56);font-style:normal;letter-spacing:normal;text-indent:0.0px;">Enphase Energy is a global energy technology company and leading provider of solar, battery, and electric vehicle charging products. Founded in 2006, Enphase transformed the solar industry with our revolutionary microinverter technology, which turns sunlight into a safe, reliable, resilient, and scalable source of energy to power our lives. Today, the Enphase Energy System helps people make, use, save, and sell their own power. Enphase is also one of the fastest growing and innovative clean energy companies in the world, with approximately 68 million products installed across more than 145 countries. </div><div style="margin:0.0pt 0.0pt 8.0pt;font-family:'Open Sans' , Helvetica;font-size:10.0pt;font-weight:400;line-height:14.4px;color:rgb(38,50,56);font-style:normal;letter-spacing:normal;text-indent:0.0px;">We are building teams that are designing, developing, and manufacturing next-generation energy technologies and our work environment is fast-paced, fun and full of exciting new projects. </div><div style="margin:0.0pt 0.0pt 8.0pt;font-family:'Open Sans' , Helvetica;font-size:10.0pt;font-weight:400;line-height:14.4px;color:rgb(38,50,56);font-style:normal;letter-spacing:normal;text-indent:0.0px;">If you are passionate about advancing a more sustainable future, this is the perfect time to join Enphase! </div><h3 style="font-weight:600;font-size:32.0px;margin:1.0em 0.0px 0.0cm;padding:0.0px;font-family:Poppins;line-height:56.0px;border:0.0px;color:rgb(38,50,56);font-style:normal;letter-spacing:normal;text-indent:0.0px;">About the role</h3><ul style="margin:1.0em 0.0px;padding:0.0px 0.0px 0.0px 40.0px;list-style:inside disc;color:rgb(38,50,56);font-family:'Open Sans' , Helvetica;font-size:14.0px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0.0px;"><li style="margin-left:25.0px;list-style:inherit;">Software for single- and three-phase EV charging systems, DC/AC power systems</li><li style="margin-left:25.0px;list-style:inherit;">Use his/her rich experience in the EV charging domain to drive the software architecture, design and development of EV charging software stack including EV connectivity, metering and V2G application</li><li style="margin-left:25.0px;list-style:inherit;">Possess experience in design, development, and deployment of e-Mobility infrastructures, integrate cloud-based software services with EV chargers, Internet of Things -IoT, developing state-of-the-art tools for EVSE, Solar, Battery Energy Storge and Charging ecosystem</li><li style="margin-left:25.0px;list-style:inherit;">Design and develop an energy transfer strategy with hardware and software that is within the bounds of DIN70121 and ISO15118 standards</li><li style="margin-left:25.0px;list-style:inherit;">Lead the software architecture of entire EV charging systems, setup frameworks, design patterns and best practices for the entire EVSE group</li><li style="margin-left:25.0px;list-style:inherit;">Work with engineering group to lead and launch new products, reliability, quality, and regulatory teams to ensure EV product delivered on-time</li><li style="margin-left:25.0px;list-style:inherit;">Hands-on experience in the lab with EV systems and strong analytical rigor, innovative mindset, obsession with product excellence, and an ability to move fast in a high-performing environment</li><li style="margin-left:25.0px;list-style:inherit;">Provide technical leadership and help, train, recruit EVSE teams into embedded Linux Application development</li></ul><h3 style="font-weight:600;font-size:32.0px;margin:0.0pt;padding:0.0px;font-family:Poppins;line-height:10.8pt;border:0.0px;color:rgb(38,50,56);font-style:normal;letter-spacing:normal;text-indent:0.0px;">What you will do</h3><ul style="margin:1.0em 0.0px;padding:0.0px 0.0px 0.0px 40.0px;list-style:inside disc;color:rgb(38,50,56);font-family:'Open Sans' , Helvetica;font-size:14.0px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0.0px;"><li style="margin-left:25.0px;list-style:inherit;">BS/MS with minimum 7 - 12+ years of strong technical experience in design and developing software for linux applications using C++ in ARM based SBC's</li><li style="margin-left:25.0px;list-style:inherit;">Software programming skills with one or more - C/C++, and python</li><li style="margin-left:25.0px;list-style:inherit;">Expertise in docker containers, OCPP and MQTT</li><li style="margin-left:25.0px;list-style:inherit;">Experience with embedded Linux based systems and good working knowledge of either of EV communication standards like SAE-J1772, ISO-15118 for EVSE</li><li style="margin-left:25.0px;list-style:inherit;">Experience design and developing edge microservices  and control applications in EV charging and networking space</li><li style="margin-left:25.0px;list-style:inherit;">Good understanding of governing standards for charging and V2G systems and experience developing systems that have a mix of HW/FW and embedded SW.</li><li style="margin-left:25.0px;list-style:inherit;">Relevant experience with functional safety, metering, UL/CE, energy star, MID certifications, and regulatory compliances in EV charging. </li><li style="margin-left:25.0px;list-style:inherit;">Strong team player while maintaining high standards of professional integrity and ethics </li><li style="margin-left:25.0px;list-style:inherit;">Extremely intelligent individual; listens to other’s ideas and not afraid of constructive criticism</li><li style="margin-left:25.0px;list-style:inherit;">Acting as a visionary, articulating, and implementing the vision, both internally and externally</li><li style="margin-left:25.0px;list-style:inherit;"> Ability to deal with ambiguity and resolve ambiguity to provide clear strategies and tactics </li><li style="margin-left:25.0px;list-style:inherit;">Strategic ability to implement a long-term plan and provide the day-to-day tactics to achieve plan</li><li style="margin-left:25.0px;list-style:inherit;">Exceptional written and verbal communications skills </li></ul><h3 style="font-weight:600;font-size:32.0px;margin:0.0pt;padding:0.0px;font-family:Poppins;line-height:10.8pt;border:0.0px;color:rgb(38,50,56);font-style:normal;letter-spacing:normal;text-indent:0.0px;">Who you are and what you bring</h3><ul style="margin:1.0em 0.0px;padding:0.0px 0.0px 0.0px 40.0px;list-style:inside disc;color:rgb(38,50,56);font-family:'Open Sans' , Helvetica;font-size:14.0px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0.0px;"><li style="margin-left:25.0px;list-style:inherit;">Familiarity with EVSE and EV communication and connectors with various charging standards</li><li style="margin-left:25.0px;list-style:inherit;">Work with Engineering group to lead and launch new products, reliability, quality, and regulatory teams to ensure EV product delivered on-time</li><li style="margin-left:25.0px;list-style:inherit;">Experience in design, developing processes and standards for cable and harness, custom connector systems, working suppliers supporting offshore manufacturing activities to delivery high volume interconnect modules and products</li><li style="margin-left:25.0px;list-style:inherit;">Experience in renewable energy systems</li><li style="margin-left:25.0px;list-style:inherit;">Experience in power electronics, power conversion and electromechanical systems</li><li style="margin-left:25.0px;list-style:inherit;">SW programming skills including C/C++ and Python</li><li style="margin-left:25.0px;list-style:inherit;">Experience using software applications and tools, such as Jira, Confluence, Dockers, https/WebSocket, MQTT, Kafka, gRPC, JSON, TLS</li><li style="margin-left:25.0px;list-style:inherit;">Experience developing and deploying containerized allocation on Linus based embedded system </li></ul>

Senior Staff Engineer - EVSE

<h1>Company</h1>In order to keep climate change to 1.5°C, we’ll need 30% of global GDP (all of energy generation and transportation) to run on batteries by 2035. Zitara Technologies (YCombinator S20) builds predictive battery management software for transportation and energy customers with large deployments. Our customers operate &gt;$100M deployments of batteries in satellites, EVs, and renewable energy storage installations. Our team brings top researchers in physics-based battery algorithms together with seasoned software engineers to build safety-critical firmware and large scale machine learning systems. We bring with us decades of experience from companies like Tesla, Facebook, and Google.<h1>Role</h1>We're looking for a multidisciplinary software and simulation engineer who can draw from academic literature, practical engineering tools, and domain-specific data and models to design, analyze, and improve battery modeling and simulation software. Zitara's software spans cutting-edge battery science, high-performance data infrastructure, complex modeling and learning systems, and safety-critical onboard firmware.  We're looking for a software engineer who can work across these areas of expertise to build the algorithms behind our core technology. In this role, you will work closely with our battery scientists and controls engineers to refine and improve the robustness of scale up our simulation and prediction software.  You will also have the opportunity to work with our embedded team to adapt the algorithms you design for running in real-time battery management systems. <h1>Responsibilities</h1><ul><li>Work with our battery scientists and controls engineers to identify and implement improvements in our simulation and signal processing algorithms</li><li>Write robust, well-tested signal processing, simulation, and optimization software in Python, Rust, and C / C++</li><li>Provide guidance and mentorship to the larger organization on system architecture, design for testability, and building maintainable software.</li><li>Design and communicate complex software architecture through written documentation and in-person discussion</li><li>Work with product and project management to scope and plan around development initiatives, and connect results to our customer-facing feature roadmap</li></ul><h1>Qualifications</h1><ul><li>7+ years of experience in writing profession Python software following modern best practices</li><li>Experience architecting simulation workflows, including efficient simulation engines, validation, visualization, and metrics aggregation software</li><li>BS, MS, or Ph.D in Computer Science, Chemistry / Chemical Engineering, Physics or other related engineering discipline.</li><li>Clear and effective written and interpersonal communication skills</li></ul><h1>Preferred Additional Qualifications</h1><ul><li>Experience with Kalman Filtering or other statistical methods</li><li>Practical implementation experience with numerical methods for differential equations</li><li>Experience with Rust</li><li>Experience with Bazel</li><li>Familiarity with battery or energy systems applications</li></ul> Note: this position may be filled by a candidate either remote or hybrid in-person in our SF office. In-person candidates will be preferred, and remote candidates will need to demonstrate superlative organizational and communication skills.<h1>What We Offer</h1><ul><li>A full-time position, working from our office in San Francisco, CA or remotely.</li><li>Competitive pay.</li><li>Health, Dental, and Vision care for you and your family.</li><li>A 401k savings plan.</li><li>“Unlimited PTO” vacation policy.</li><li>Excellent colleagues that are interested in your happiness and growth.</li></ul>

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