<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>Senior Embedded Software EngineerRadiant is seeking a Senior Embedded Software Engineer to design, develop, and test embedded software for instrumentation and control (I&amp;C) systems. You will develop mission critical, highly performant embedded systems to interface with sensors and actuators. The candidate will be comfortable working in early design architectural stages and owning designs through production. You will have the opportunity to build mission critical software control systems for the first commercialized portable nuclear microreactor.Responsibilities and Duties:<ul><li>Design and build reliable, fault-tolerant embedded software for production hardware.</li><li>Develop and bring up new drivers for I&amp;C hardware.</li><li>Lead design reviews, review and iterate on feedback.</li><li>Be a responsible engineer from architectural design through test, build and implementation.</li><li>Create robust testing plans and documentation.</li></ul>Required Qualifications and Skills:<ul><li>Bachelor’s degree in computer engineering, computer science, electrical engineering, or similar discipline from accredited institution.</li><li>5+ years of industry experience on embedded software, including 1+ year of design and architecture experience.</li><li>Experience with an RTOS (Zephyr, NuttX, ThreadX, etc).</li><li>Proficient in C and C++</li></ul>Desired Qualifications and Skills:<ul><li>Experience with Zephyr RTOS.</li><li>Experience working with Simulink Autocode C++ export.</li><li>Experience with CMake.</li><li>Experience with FPGAs.</li><li>Comfortable reading hardware schematics.</li><li>Comfortable taking ownership of responsibilities and full design.</li><li>Comfortable working autonomously and proactively in day-to-day activities.</li><li>Strong communication with peers and management.</li></ul>Benefits:<ul><li>Cross-functional team with embedded software, FPGA, and hardware all together.</li><li>Opportunities for technical growth outside of pure software.</li><li>Opportunity to own designs from concept to completion.</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% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.</li><li>One Medical: Sponsored memberships for eligible employees and their dependents.</li><li>Vision: 100% premium coverage for top tier plan + 50% for dependents.</li><li>Dental: 100% premium coverage for top tier plan (including orthodontia) + 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;

Senior Embedded Software Engineer

<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>Senior Embedded Software EngineerRadiant is seeking a Senior Embedded Software Engineer to design, develop, and test embedded software for instrumentation and control (I&amp;C) systems. You will develop mission critical, highly performant embedded systems to interface with sensors and actuators. The candidate will be comfortable working in early design architectural stages and owning designs through production. You will have the opportunity to build mission critical software control systems for the first commercialized portable nuclear microreactor.Responsibilities and Duties:<ul><li>Design and build reliable, fault-tolerant embedded software for production hardware.</li><li>Develop and bring up new drivers for I&amp;C hardware.</li><li>Lead design reviews, review and iterate on feedback.</li><li>Be a responsible engineer from architectural design through test, build and implementation.</li><li>Create robust testing plans and documentation.</li></ul>Required Qualifications and Skills:<ul><li>Bachelor’s degree in computer engineering, computer science, electrical engineering, or similar discipline from accredited institution.</li><li>5+ years of industry experience on embedded software, including 1+ year of design and architecture experience.</li><li>Experience with an RTOS (Zephyr, NuttX, ThreadX, etc).</li><li>Proficient in C and C++</li></ul>Desired Qualifications and Skills:<ul><li>Experience with Zephyr RTOS.</li><li>Experience working with Simulink Autocode C++ export.</li><li>Experience with CMake.</li><li>Experience with FPGAs.</li><li>Comfortable reading hardware schematics.</li><li>Comfortable taking ownership of responsibilities and full design.</li><li>Comfortable working autonomously and proactively in day-to-day activities.</li><li>Strong communication with peers and management.</li></ul>Benefits:<ul><li>Cross-functional team with embedded software, FPGA, and hardware all together.</li><li>Opportunities for technical growth outside of pure software.</li><li>Opportunity to own designs from concept to completion.</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% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.</li><li>One Medical: Sponsored memberships for eligible employees and their dependents.</li><li>Vision: 100% premium coverage for top tier plan + 50% for dependents.</li><li>Dental: 100% premium coverage for top tier plan (including orthodontia) + 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>

Senior Embedded Software Engineer

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Radiant

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