<div>Radiant is an El-Segundo, CA-based 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. Radiant's goal is to bring one of the world's first factory-constructed microreactors to market. 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. </div> Senior Power Electronics EngineerThe Senior Power Electronics Engineer will play a pivotal role in the design and development of the power electronics of our nuclear-driven high-speed generator. Responsibilities include but are not limited to the design of high-voltage and high-speed generator drives, DC-DC converters for high-voltage batteries, and standalone and grid-tied inverters. You'll join the Power Conversion and Electrical Systems team responsible for converting mechanical energy generated from a nuclear reactor to electrical energy to deliver to customers. You will own power electronics design, analysis, simulation, and component selection. You will partner cross-functionally with top industry engineers at Radiant, as well as vendors and partner organizations, including government agencies. Your efforts will be instrumental in bringing the first nuclear microreactor to market. Responsibilities and Duties:  <ul><li>Design and develop power electronics for a nuclear power generator.</li><li>Build detailed schematics, select components, PCBA layout, prototype, and validate hardware.</li><li>Apply EMI/EMC strategies and underlying physics to engineering problems. </li><li>Utilize expertise in design and validation of gate drivers, power stages, magnetics, and controls.</li><li>Conduct modeling and detailed simulation of inverters.</li><li>Own the design and build a fully functioning inverter autonomously.</li><li>Perform circuit formal analysis, e.g., de-rating and worst-case circuit analysis.</li><li>Optimize loss, efficiency, and conduct thermal analysis of the inverter.</li></ul>Required Skills and Qualifications:<ul><li>Bachelor's degree in Electrical Engineering, specializing in power electronics.</li><li>8+ years of design experience designing high voltage and high power electronics.</li></ul>Desired Skills and Qualifications:<ul><li>Expert with high voltage power semiconductor selection (Si/SiC/GaN, IGBT, Diodes, MOSFETs), gate driver, and protection circuit design.</li><li>Strong understanding of different PWM switching techniques, DPWM, ZCS, ZVS.</li><li>Expert with at least one of the common power electronics tools such as PLECS, PSCAD, dSPICE, PSIM, or Simplorer.</li><li>Solid understanding of capacitor and super-capacitor design and selection, such as electrolytic, film, ceramic, and tantalum.</li><li>Proficiency in EMI/EMC filter design for stability, noise rejection, and surviving threat signals.</li><li>Startup experience or ability to work in a fast-paced development environment.</li><li>Demonstrated experience in embedded programming with C/C++.</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;

Senior Power Electronics Engineer

<div>Radiant is an El-Segundo, CA-based 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. Radiant's goal is to bring one of the world's first factory-constructed microreactors to market. 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;</div>&nbsp;Senior Power Electronics EngineerThe Senior Power Electronics Engineer will play a pivotal role in the design and development of the power electronics of our nuclear-driven high-speed generator. Responsibilities include but are not limited to the design of high-voltage and high-speed generator drives, DC-DC converters for high-voltage batteries, and standalone and grid-tied inverters. You'll join the Power Conversion and Electrical Systems team responsible for converting mechanical energy generated from a nuclear reactor to electrical energy to deliver to customers. You will own power electronics design, analysis, simulation, and component selection. You will partner cross-functionally with top industry engineers at Radiant, as well as vendors and partner organizations, including government agencies. Your efforts will be instrumental in bringing the first nuclear microreactor to market.&nbsp;Responsibilities and Duties: &nbsp;<ul><li>Design and develop power electronics for a nuclear power generator.</li><li>Build detailed schematics, select components, PCBA layout, prototype, and validate hardware.</li><li>Apply EMI/EMC strategies and underlying physics to engineering problems.&nbsp;</li><li>Utilize expertise in design and validation of gate drivers, power stages, magnetics, and controls.</li><li>Conduct modeling and detailed simulation of inverters.</li><li>Own the design and build a fully functioning inverter autonomously.</li><li>Perform circuit formal analysis, e.g., de-rating and worst-case circuit analysis.</li><li>Optimize loss, efficiency, and conduct thermal analysis of the inverter.</li></ul>Required Skills and Qualifications:<ul><li>Bachelor's degree in Electrical Engineering, specializing in power electronics.</li><li>8+ years of design experience designing high voltage and high power electronics.</li></ul>Desired Skills and Qualifications:<ul><li>Expert with high voltage power semiconductor selection (Si/SiC/GaN, IGBT, Diodes, MOSFETs), gate driver, and protection circuit design.</li><li>Strong understanding of different PWM switching techniques, DPWM, ZCS, ZVS.</li><li>Expert with at least one of the common power electronics tools such as PLECS, PSCAD, dSPICE, PSIM, or Simplorer.</li><li>Solid understanding of capacitor and super-capacitor design and selection, such as electrolytic, film, ceramic, and tantalum.</li><li>Proficiency in EMI/EMC filter design for stability, noise rejection, and surviving threat signals.</li><li>Startup experience or ability to work in a fast-paced development environment.</li><li>Demonstrated experience in embedded programming with C/C++.</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>&nbsp;<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>

Senior Power Electronics Engineer

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