Radiant
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Radiant is building the world’s first mass-produced portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1 MW failsafe microreactor that can be transported anywhere power is needed. Founded in 2020, Radiant plans to test its first reactor in 2026, with initial customer deployments beginning in 2028.
Director of Policy and Government Affairs
El Segundo, California, United States · Posted on Jan 15, 2026
Senior Advanced Controls Systems Engineer
El Segundo, California, United States · Posted on Jan 15, 2026
Thermal Modeling Engineer
El Segundo, California, United States · Posted on Jan 15, 2026
Physical Security Manager
El Segundo, California, United States · Posted on Jan 14, 2026
Cybersecurity Manager
El Segundo, California, United States · Posted on Jan 14, 2026
Vice President, People
El Segundo, California, United States · Posted on Jan 14, 2026
Senior Business Development Manager, Space
El Segundo, California, United States · Posted on Jan 14, 2026
Federal Business Development Associate
Washington, District of Columbia, United States · Posted on Jan 13, 2026
Early Career Recruiting & Programs Lead
El Segundo, California, United States · Posted on Jan 12, 2026
FP&A Director
El Segundo, California, United States · Posted on Jan 9, 2026
Welding Specialist
El Segundo, California, United States · Posted on Jan 9, 2026
Mechanical Engineer
El Segundo, California, United States · Posted on Jan 8, 2026
