<div>Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.</div>Software Engineer - Data PlatformRadiant is seeking a driven Software Engineer to architect and build data pipelines for analysis and simulation. In this role, you will enable software engineers and system REs from across the organization to quickly and easily interrogate simulation results and perform analysis on hardware design iterations. Your work will be a critical link between internal and third-party analysis tools and the teams making hardware and software design decisions.Responsibilities and Duties:<ul><li>Architect data platforms and pipelines to support design analysis</li><li>Design, build, and maintain batch and streaming ETL pipelines</li><li>Own data review products end-to-end, start by gathering requirements and see projects through to delivery and continuous improvement</li><li>Know your internal customers – collaborate with the simulation team and mechanical engineers to understand their workflows and pain points</li><li>Scope and guide the development of front-end features, implement data visualizations and dashboards solo and in collaboration with other front-end engineers</li></ul>Required Qualifications and Skills:<ul><li>Bachelor’s degree in computer science or engineering</li><li>5+ years of professional experience in Python, C++, C#, or similar object-oriented programming languages</li><li>Experience building and maintaining data pipelines for hardware analysis (or AI/ML workflows or other distributed data processing systems)</li><li>Database selection and design experience (e.g. Databricks, Snowflake, Bigquery)</li><li>Familiarity with common orchestration systems and job runners (Kubernetes, Argo Workflows, Airflow)</li><li>Familiarity with Git, Docker, and common CI/CD frameworks</li><li>Ability to work from Radiant’s office in El Segundo, CA (greater Los Angeles) full-time</li></ul>Desired Qualifications and Skills:<ul><li>Highly self-motivated with strong communication skills</li><li>Experience with hardware simulation or computational modeling of physical systems</li><li>Experience testing software and hardware</li><li>Experience with distributed software development and familiarity with common design patterns</li><li>Interest in physics, hardware and electrical engineering</li></ul>Additional Requirements<ul><li>Must be willing to work extended hours and weekends as necessary to accomplish our mission.</li><li>Must work 100% onsite at El Segundo HQ.</li></ul><div>Total Compensation and BenefitsRadiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications. Benefits and Perks for Eligible Employees:<ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.</li><li>One Medical: Sponsored memberships for employees and their dependents.</li><li>Vision: 100% top tier plan coverage + 50% for dependents.</li><li>Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.</li><li>Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.</li><li>8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.</li><li>Daily catered lunch. Free snacks and drinks.</li><li>Flexible PTO policy. Remote workday allocation.</li><li>Company and team-bonding events, happy hours and in-person camaraderie.</li><li>Beautiful El Segundo headquarters close to the Pacific Ocean.</li></ul>We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. </div>

Radiant is a clean energy startup building a nuclear microreactor. A climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. We plan to test our development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over 50 years. Our microreactor can bring power to remote parts of the world and provide backup power for life-saving applications in hospitals or disaster-relief scenarios.&nbsp;

Software Engineer - Data Platform

<div>Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.</div>Software Engineer - Data PlatformRadiant is seeking a driven Software Engineer to architect and build data pipelines for analysis and simulation. In this role, you will enable software engineers and system REs from across the organization to quickly and easily interrogate simulation results and perform analysis on hardware design iterations. Your work will be a critical link between internal and third-party analysis tools and the teams making hardware and software design decisions.Responsibilities and Duties:<ul><li>Architect data platforms and pipelines to support design analysis</li><li>Design, build, and maintain batch and streaming ETL pipelines</li><li>Own data review products end-to-end, start by gathering requirements and see projects through to delivery and continuous improvement</li><li>Know your internal customers – collaborate with the simulation team and mechanical engineers to understand their workflows and pain points</li><li>Scope and guide the development of front-end features, implement data visualizations and dashboards solo and in collaboration with other front-end engineers</li></ul>Required Qualifications and Skills:<ul><li>Bachelor’s degree in computer science or engineering</li><li>5+ years of professional experience in Python, C++, C#, or similar object-oriented programming languages</li><li>Experience building and maintaining data pipelines for hardware analysis (or AI/ML workflows or other distributed data processing systems)</li><li>Database selection and design experience (e.g. Databricks, Snowflake, Bigquery)</li><li>Familiarity with common orchestration systems and job runners (Kubernetes, Argo Workflows, Airflow)</li><li>Familiarity with Git, Docker, and common CI/CD frameworks</li><li>Ability to work from Radiant’s office in El Segundo, CA (greater Los Angeles) full-time</li></ul>Desired Qualifications and Skills:<ul><li>Highly self-motivated with strong communication skills</li><li>Experience with hardware simulation or computational modeling of physical systems</li><li>Experience testing software and hardware</li><li>Experience with distributed software development and familiarity with common design patterns</li><li>Interest in physics, hardware and electrical engineering</li></ul>Additional Requirements<ul><li>Must be willing to work extended hours and weekends as necessary to accomplish our mission.</li><li>Must work 100% onsite at El Segundo HQ.</li></ul><div>Total Compensation and BenefitsRadiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications.&nbsp;Benefits and Perks for Eligible Employees:<ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.</li><li>One Medical: Sponsored memberships for employees and their dependents.</li><li>Vision: 100% top tier plan coverage + 50% for dependents.</li><li>Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.</li><li>Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.</li><li>8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.</li><li>Daily catered lunch. Free snacks and drinks.</li><li>Flexible PTO policy. Remote workday allocation.</li><li>Company and team-bonding events, happy hours and in-person camaraderie.</li><li>Beautiful El Segundo headquarters close to the Pacific Ocean.</li></ul>We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. </div>

Software Engineer - Data Platform

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Radiant

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