A subsidiary of Docaposte and Bull (Atos), SERES is a major player in the digital transformation of companies in the field of dematerialization of B2B exchanges and automation of business processes.

Leader of the dematerialization market for over 25 years, our main mission is to support our customers by offering them secure, interoperable and scalable solutions, which integrate naturally into their current environment and allow a gradual transition to a "business digital ”.

Benefiting from stable growth in our financial results, we guarantee our clients the sustainability of their investment.

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About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.Title:Sr. Mechanical Engineer, DrivetrainDuties and responsibilities<ul><li>Develop e-drive and drivetrain prototyping and manufacturing technologies including material, the process of machining, heat-treating, electrical insulation, and assembly.</li><li>Implement mechanical, electrical, and thermal design, analysis, assembling, testing.</li><li>Conduct the design of experiments for product design validation and durability testing.</li><li>Lead benchmarking study of cutting-edge technologies.</li><li>Lead the problem-solving in prototyping, assembling, and testing.</li><li>Proficient in assembling and testing procedures with analytical and physical assessments.</li><li>Experience with the component and assembly of 3-D CAD models, and 2-D manufacturing drawings.</li><li>Collaborate with cross-team engineers and technicians.</li><li>Minimum 25% business travel time required.</li></ul> Required Education and Experience<ul><li>M.S. degree with 3+ years or B.S.  degree with 5+ years of working experience in relevant industry</li><li>Proficiency in CAD modeling</li><li>Great team player</li><li>Excellent problem solving and communication skills<hr></li></ul>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire. SF Motors is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Sr. Mechanical Engineer, Drivetrain

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.Title:Mechanical Engineer, DrivetrainDuties and responsibilities<ul><li>Develop e-drive and drivetrain prototyping and manufacturing technologies including material, the process of machining, heat-treating, electrical insulation, and assembly.</li><li>Implement mechanical, electrical, and thermal design, analysis, assembling, testing.</li><li>Conduct the design of experiments for product design validation and durability testing.</li><li>Develop the assembling and testing procedures with analytical and physical assessments.</li><li>Support benchmarking study of cutting-edge technologies.</li><li>Familiar with the component and assembly of 3-D CAD models, and 2-D manufacturing drawings.</li><li>Collaborate with cross-team engineers and technicians.</li><li>Minimum 25% business travel time required.</li></ul> Required Education and Experience<ul><li>Minimum of 2 years of experience in product design</li><li>B.S.  degree with 2+ years of working experience in relevant industry</li><li>Proficiency in CAD modeling<hr></li></ul>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire. SF Motors is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Mechanical Engineer, Drivetrain

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.Title:Mechanical Engineer (Motor)Duties and responsibilities<ul><li>Create 3D CAD and 2D drawings for stators, rotors, and assemblies</li><li>Drive choices and development in winding technology, steel stamping and lamination joining, electrical insulation systems, and thermal sensing</li><li>Identify and qualify suppliers of raw materials, components, and assemblies</li><li>Develop design validation and durability testing profiles and analyze resulting data</li><li>Manage designs through to high-volume production, including DFM, cost reductions, and second sourcing</li></ul> Required Education and Experience<ul><li>Master’s degree or equivalent in Mechanical Engineering, Automotive Engineering or related field and two (2) years’ experience as a Mechanical Engineer, Automotive Engineer, Service Engineer or in a related engineering role. Will consider Bachelor's degree with minimum of 4 years experience.</li><li>Demonstrated experience in taking motor designs from the concept stage to volume production</li><li>Proficiency in multiple coil winding and termination technologies</li><li>Proficiency in multiple magnet technologies</li><li>Automotive design and validation experience</li><li>Expected technical skills: GD&amp;T, 3D CAD, 2D drawings, DFMEA, PFMEA, structural and thermal FEA</li><li>Bonus technical skills: Catia, NVH analysis, electromagnetics design, specification writing, plastic injection molding, and bolted joint design<hr></li></ul>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire. SF Motors is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Mechanical Engineer (Motor), Drivetrain

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.Title: EV Gearbox Design Engineer (NVH Specialist)Responsibilities:<ul><li>Bachelor's or Master's degree in Mechanical Engineering or a related field.</li><li>Minimum of 5 years of experience in electric vehicle gearbox design, with a focus on NVH.</li><li>Strong knowledge of NVH theory and principles, as well as experience with NVH testing and analysis.</li><li>Proficiency in gear design software (e.g., KISSsoft, Romax, AGMA), as well as CAD software (e.g., SolidWorks, CATIA) and FEA software (e.g., ANSYS, Abaqus).</li><li>Experience with designing gears, bearings, and other gearbox components.</li><li>Strong problem-solving skills and ability to work in a fast-paced environment.</li><li>Excellent communication skills and ability to work collaboratively with cross-functional teams.</li><li>Experience in correlating testing results with simulation results.</li><li>Previous direct involvement in product launch or manufacturing support for mass production.</li></ul>If you are passionate about electric vehicle gearbox design and have a strong background in NVH, with previous direct involvement in product launch or manufacturing support for mass production, we encourage you to apply for this exciting opportunity.<hr>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire. SF MOTORS, INC. (dba SERES) is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

EV Gearbox Design Engineer (NVH Specialist)

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.<hr>Title: Motor Control Engineer<hr>Summary:<ul><li>Developing motor control algorithms, calibrations, and modeling in mechanical system;</li><li>Developing mechanical test plans and processing electro-mechanical system testing data from the lab experiments. </li></ul><hr>Duties and responsibilities: <ol><li>Develop and validate advanced motor control algorithms and control strategy for electro-mechanical system both in the laboratory and in vehicle level.</li><li>Develop state-feedback field-oriented controls (FOC) and robust state observers</li><li>Develop over-modulation algorithm using state-of-art techniques</li><li>Optimize machine mechanical (position/speed) sensor configuration and design advanced speed controller to attenuate system mechanical torque oscillation induced in vehicle dynamics.</li><li>Perform parameter calibration using back-to-back motor dyno and full-scale drivetrain dyno.</li><li>Perform vehicle level testing to obtain smooth communication between VCU (vehicle control unit), electrical motor and internal combustion engine.</li><li>Post-process experimental data using LabVIEW/Matlab for control algorithm development.</li><li>Define specification of hardware components including torque transducer, power analyzer, temperature sensors, position, voltage, and current sensors.</li><li>Design and implement motor control algorithm development with hardware-in-the-loop (HIL) and software-in-the-loop (SIL) simulations.</li></ol><hr>Required Education and Experience:<ul><li>MS degree in Electrical/Mechanical Engineering + 6 months experience in motor control. Or PhD degree in Electrical/Mechanical Engineering.</li><li>Having used engineering tools such Vector PREEvision or similar to create network or communication designs and to understanding wiring schematics</li><li>Experience with failure analysis methodology like FMEA and fault trees</li><li>Experience with standard EE lab instruments (oscilloscope, multimeters, data bus analysis tools..)</li><li>Motivation to make complicated systems work together</li><li>Electric vehicle systems and hands-on integration testing experience</li><li>Creativity in your design</li><li>Motivation to make a difference in the automotive industry</li><li>Ability to build stuff with your hands</li><li>Great communication skills</li></ul><hr>SF MOTORS, INC. (dba SERES) is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Motor Control Engineer

<hr>About SF MOTORS, INC. (dba SERES) SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.<hr>SummaryAs a Lead Functional Safety Engineer with SERES, you will be responsible for defining and development of automotive functional safety requirement, with a focus on BMS, VCU and MCU. You will work with hardware engineers and control/firmware engineers at a very high level of collaboration. This role will develop leading-edge technologies for EVs planned for mass production by SERES.<hr>Duties and Responsibilities<ul><li>Provide leadership in defining, implementing, and improving relevant Functional Safety</li><li>Support the definition of safety requirements, and inform architecture and design</li><li>Participate in design reviews and discussions to help ensure that safety goals and requirements are addressed</li><li>Develops requirements specification on vehicle, system and component Level, especially on BMS, VCU and MCU, both on the control/firmware and hardware level</li><li>Defines, develops, and advises on new architectures and detailed designs for current and emerging automotive systems</li></ul><hr>Required Education and Experience<ul><li>BS, MS or PhD in EE, automotive engineering, computer engineering or a related field.</li><li>7+ years of relevant engineering work experience that includes Functional Safety engineering</li><li>Knowledge in multiple automotive system domains(BMS, VCU, MCU)</li><li>Knowledge in industry standards and regulatory frameworks concerning the design and development of automotive systems including ISO 26262</li><li>Experience in applying tools and technologies for the development, design and analysis (e.g. Testing, HIL/SIL/MIL, FMEA/FTA, ...)</li><li>Hands-on experience in embedded control system development, software development, and/or verification and validation of such systems</li></ul><hr>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire.SF MOTORS, INC. (dba SERES) is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Functional Safety Engineer

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.Job PurposeWe are seeking an experienced and skilled Senior Electrical Engineer, Power Electronics to lead the design, development, and testing of high-performance power converters, DC/DC converters and electrical system for powertrain. You will be responsible in collaborating with mechanical, layout, and firmware engineering teams to successfully develop, test, validate and manufacture power electronics system.Duties and responsibilities<ul><li>Design and development of high-performance traction inverter, DC/DC converters, and on-board charger.</li><li>Collaborate with cross-functional teams, including mechanical, layout, and firmware engineering teams to develop and design power electronics system.</li><li>Be responsible for circuit topology selection, components selection, circuit board layout.</li><li>Support control algorithm development, prototyping, testing and validation of power electronics products.</li><li>Contribute to vehicle level integrations.</li><li>Support firmware development for power electronics system.</li><li>Develop and implement testing plans and procedures to validate the performance and reliability of power electronics systems.</li><li>Work with suppliers to select and qualify components and materials for power electronics systems.</li></ul>Position Type and Expected Hours of WorkFull Time, ExemptTravelUp to 20% travel is expected for this position.Required Education and Experience<ul><li>BS and above in EE, ME, or Physics</li><li>5 years of power electronics design and development experience or other related experiences</li><li>Design and validation experience with AC/DC, DC/DC, and DC/AC</li><li>Experience in magnetics design and EMC</li><li>Deep understanding of power semiconductor device, IGBT and MOSFET switching characteristic, loss modeling and analysis</li><li>Experienced with working in electronic-lab environments and equipment</li><li>Experience in PCB design, schematic capture, and layout</li><li>Experience in modeling and control for power converters</li><li>Experience in embedded control programming</li><li>Deep understanding of system level thermal, high voltage integration, efficiency optimization</li></ul>Preferred Skills<ul><li>Automotive experience</li><li>Knowledge in environmental, reliability, and safety requirements for Automotive application</li><li>Creative thinking, and high-level analytical ability</li><li>Large volume product development experience</li></ul>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire.SERES is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Senior Electrical Engineer, Power Electronics

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.<hr>Duties and responsibilities:Responsible for delivering high quality embedded code, hands on hardware bring-up which might include motor controller, thermal controller, etc.Specifically, the job duties include:<ol><li>Implement the firmware on hardware with C code or through model-based design tool such Matlab/Simulink;</li><li>Design and specify the software architecture;</li><li>Specify, design, and implement tool for embedded subsystems;</li><li>Driver development, hardware testing debugging, and component/vehicle bring-up;</li><li>Design testing and calibration tool in the test bench;</li><li>Identify the root cause of component or vehicle issues and lead cross function team to deliver the solution</li><li>Optimize the embedded code for the product requirements.</li></ol><hr>Other Requirements:Master’s degree in Electrical &amp; Computer Engineering, EE or related plus at least 5 years of experience <hr>REQUIRED:Seasoned firmware engineer (staff or even higher level) with sufficient EV MCU firmware development and production experience who can potentially lead the firmware team<hr>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire.SF MOTORS, INC. (dba SERES) is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

Firmware Engineer/Sr. Firmware Engineer

About SF MOTORS, INC. (dba SERES)SF MOTORS, INC. (dba SERES) is committed to research and development in the field of electric drivetrains. We are passionate about creating innovative and dependable electric drivetrains that offer exceptional performance and efficiency. Our goal is to deliver the most effective and cutting-edge drive unit solutions to electric vehicle companies around the world.<hr>Summary:As a senior level motor engineer/manager at SF MOTORS, INC. (dba SERES), you will contribute in several key aspects of electric powertrain development. You are expected to have relevant experience and hence able to develop advanced traction motor systems for EV application. The scope may include electric machine design optimization, advanced motor manufacturing process development, motor system development, as well as vehicle level system modeling and optimization.<hr>Duties and Responsibilities: <ul><li>Specification, design and analysis of advanced traction motors and controllers for specific vehicle performance targets.</li><li>Perform sizing and tradeoff study of energy storage system, gear box, motor system, thermal management system and other vehicle subsystems.</li><li>Perform motor electromagnetic and thermal design optimization.</li><li>Perform motor control algorithm design, simulation, specification and verification.</li><li>Perform characterization, parameter estimation, tuning and calibration of motor system on dyno.</li><li>Develop testing plans to validate motor electromagnetic and thermal designs including performance and durability.</li><li>Work with mechanical engineers to create motor design drawings and release to manufacturing.</li><li>Support structural and mechanical analysis of motor systems including NVH and durability.</li><li>Support powertrain system integration and vehicle control integration.</li><li>Support motor manufacturing development including material sourcing, supplier engagement and process development. </li></ul><hr>Travel<ul><li>Up to 20% domestic and international travel may be expected for this position.</li></ul><hr>Required Education and Experience:<ul><li>MS or PhD in EE </li><li>Knowledgeable in electric vehicle architecture and modeling process.</li><li>Experience in power electronics hardware and motor control algorithms.</li><li>Hands-on programming and development experience in MATLAB/Simulink/Simscape, C/C++, Python.</li><li>Experience with electromagnetic analysis tools such as ANSYS, JMAG, FLUX or Infolytica.</li><li>Solid understanding of various types of electric machines, dynamic modeling, parameter estimation, and advanced control.</li><li>Experience in the design and analysis of high power density permanent-magnet motors, switched reluctance motors and induction motors. </li><li>Knowledgeable in state-of-the-art manufacturing methods of electric machines and relevant global supply chain. </li><li>Flexibility and adaptability in a fast paced and dynamic work environment.</li><li>3+ years of experience (academic or professional) in electric machine modeling, design, analysis and manufacturing.</li></ul><hr>Candidates must be legally authorized to work in the United States and verification of employment authorization will be required at the time of hire.SF MOTORS, INC. (dba SERES) is an equal opportunity employer committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, color, age, sex, national origin, sexual orientation, gender identity, disability status or protected veteran status.

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