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.
Head of Nuclear Security
El Segundo, California, United States · Posted on Nov 14, 2025
CNC Machinist
El Segundo, California, United States · Posted on Nov 14, 2025
Mechanical Engineer - 2026 New Grad (Fluid Systems, Mechanisms, or Structures)
El Segundo, California, United States · Posted on Nov 13, 2025
Summer 2026 Internship - Electrical Engineering
El Segundo, California, United States · Posted on Nov 13, 2025
Summer 2026 Internship - Materials Engineer
El Segundo, California, United States · Posted on Nov 13, 2025
Summer 2026 Internship - Mechanical Engineer (Fluid Systems, Mechanisms, or Structures)
El Segundo, California, United States · Posted on Nov 13, 2025
PCB Technician
El Segundo, California, United States · Posted on Nov 12, 2025
Electrical Technician
El Segundo, California, United States · Posted on Nov 12, 2025
Summer 2026 Internship - Software Engineering
El Segundo, California, United States · Posted on Nov 12, 2025
Director of Product Assurance
El Segundo, California, United States · Posted on Nov 11, 2025
Business Systems Analyst
El Segundo, California, United States · Posted on Nov 11, 2025
DevOps Engineer
El Segundo, California, United States · Posted on Nov 11, 2025
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