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Radiant

El Segundo, California
IndustrialsAmerican Dynamism

Builds Kaleidos, a factory-made 1 MW nuclear microreactor that ships by land, sea or air and runs on site, with US Army and Air Force contracts to power military bases.

108 open roles
Senior Accounting Manager
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
ERP Solutions Engineer, Finance
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
Senior Safety Analysis Engineer
El Segundo, CA · On Site · Full Time
$150k - $212k Apply →
Senior Reactor Engineer
El Segundo, CA · On Site · Full Time
$150k - $212k Apply →
Staff Fluid Systems Engineer
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Fluid Systems Engineer
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Mechanisms Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Lead Nuclear Materials Engineer
El Segundo, CA · On Site · Full Time
$141k - $202k Apply →
T&E Accounting Specialist (Contract)
El Segundo, CA · On Site · Full Time
$41 - $59/hr Apply →
Executive Assistant & Office Coordinator
Washington, D.C. · On Site · Full Time
$74k - $122k Apply →
Reactor Operations Engineer
El Segundo, CA · On Site · Full Time
$107k - $146k Apply →
Indirect Procurement Associate
El Segundo, CA · On Site · Full Time
$86k - $123k Apply →
Strategic Sourcing Manager
El Segundo, CA · On Site · Full Time
$86k - $168k Apply →
Supply Chain Associate
El Segundo, CA · On Site · Full Time
$86k - $122k Apply →
Senior Material Planner
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
Staff Manufacturing Engineer, DFM
El Segundo, CA · On Site · Full Time
$160k - $210k Apply →
Senior Manufacturing Engineer, DFM
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Staff Nuclear Engineer
El Segundo, CA · On Site · Full Time
$185k - $225k Apply →
Indirect Procurement Manager
El Segundo, CA · On Site · Full Time
$86k - $168k Apply →
Senior Software Engineer, Frontend
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Reactor Systems Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Senior Reactor Operations Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Supply Reliability Engineer
El Segundo, CA · On Site · Full Time
$101k - $143k Apply →
Engineering Manager, Integration & Test
El Segundo, CA · On Site · Full Time
$209k - $284k Apply →
Construction Manager
Oak Ridge, TN · On Site · Full Time
$115k - $191k Apply →
2027 New Graduate - Thermal Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Supply Chain Coordinator
El Segundo, CA · On Site · Full Time
$75k - $108k Apply →
2027 New Graduate - Tooling Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Nuclear Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Software Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Reactor Operations Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Materials Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Electrical Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
2027 New Graduate - Mechanical Engineer
El Segundo, CA · On Site · Full Time
$105k - $130k Apply →
Environmental, Health & Safety (EHS) Manager
El Segundo, CA · On Site · Full Time
$123k - $173k Apply →
Lead Reactor Operations Engineer
El Segundo, CA · On Site · Full Time
$161k - $224k Apply →
Technical Program Manager
El Segundo, CA · On Site · Full Time
$134k - $219k Apply →
CAD System Engineer
El Segundo, CA · On Site · Full Time
$101k - $143k Apply →
Senior System Administrator
El Segundo, CA · On Site · Full Time
$134k - $190k Apply →
Nuclear Engineer, Sensors
El Segundo, CA · On Site · Full Time
$115k - $162k Apply →
Principal Nuclear Engineer
El Segundo, CA · On Site · Full Time
$196k - $263k Apply →
Lead Nuclear Engineer
El Segundo, CA · On Site · Full Time
$161k - $224k Apply →
Direct Procurement Manager
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
Supply Chain Manager
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
California Legislative Director
El Segundo, CA · On Site · Full Time
$161k - $236k Apply →
Quality Operations Specialist
El Segundo, CA · On Site · Full Time
$86k - $118k Apply →
Senior FPGA Engineer, Verification
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Technical Program Manager, Security & IT
El Segundo, CA · On Site · Full Time
$134k - $190k Apply →
Senior Tooling Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Permitting Manager
Washington, D.C. · On Site · Full Time
$115k - $168k Apply →
Director of Policy and Government Affairs
Washington, D.C. · On Site · Full Time
$161k - $236k Apply →
Director, Nuclear Engineering
El Segundo, CA · On Site · Full Time
$173k - $237k Apply →
Staff Structures Engineer
El Segundo, CA · On Site · Full Time
$169k - $208k Apply →
Supplier Quality / Development Engineer
El Segundo, CA · On Site · Full Time
$101k - $143k Apply →
Senior Civil Engineer, Concrete Structures
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Senior Automation and Controls Engineer
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Stress Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Quality Systems Engineer
El Segundo, CA · On Site · Full Time
$134k - $190k Apply →
Senior Electrical Engineer, PCB
El Segundo, CA · On Site · Full Time
$158k - $173k Apply →
Senior Thermal Modeling Engineer
El Segundo, CA · On Site · Full Time
$140k - $225k Apply →
Loads & Dynamics Engineer
El Segundo, CA · On Site · Full Time
$107k - $146k Apply →
Staff Loads & Dynamics Engineer
El Segundo, CA · On Site · Full Time
$163k - $229k Apply →
Senior Mechanical Engineer, Structures
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Senior Structural Engineer, Concrete
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Nuclear Engineer
El Segundo, CA · On Site · Full Time
$107k - $146k Apply →
Nuclear Engineer, Sensors
El Segundo, CA · On Site · Full Time
$107k - $146k Apply →
Nuclear Engineer, Core Physics
El Segundo, CA · On Site · Full Time
$107k - $146k Apply →
Senior Nuclear Engineer
El Segundo, CA · On Site · Full Time
$150k - $212k Apply →
Senior Thermal Modeling & Analysis Engineer
El Segundo, CA · On Site · Full Time
$140k - $225k Apply →
Senior Thermal-Hydraulics Engineer
El Segundo, CA · On Site · Full Time
$140k - $225k Apply →
Senior Thermal Modeling Analyst
El Segundo, CA · On Site · Full Time
$140k - $225k Apply →
Senior Nuclear Thermal-Hydraulics Engineer
El Segundo, CA · On Site · Full Time
$140k - $197k Apply →
Senior Structures Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Senior Technical Talent Sourcer
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
Risk & Compliance Lead
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
Structured Finance Manager
El Segundo, CA · On Site · Full Time
$155k - $256k Apply →
State Engagement Director
Washington, D.C. · On Site · Full Time
$161k - $236k Apply →
Regulatory Program Manager
El Segundo, CA · On Site · Full Time
$186k - $258k Apply →
Senior Test Engineer, Mechanical/Fluids
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Test Engineer, Mechanical/Fluids
El Segundo, CA · On Site · Full Time
$107k - $146k Apply →
Senior Manager, Power Systems
El Segundo, CA · On Site · Full Time
$209k - $284k Apply →
Senior Equipment Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Senior Manager, Embedded Systems Engineering
El Segundo, CA · On Site · Full Time
$209k - $284k Apply →
Investor Relations Director
El Segundo, CA · On Site · Full Time
$155k - $256k Apply →
Senior Mechanical Engineer, Mechanisms
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Principal Electrical Engineer, Integration & Test
El Segundo, CA · On Site · Full Time
$201k - $314k Apply →
Media Relations Director
El Segundo, CA · On Site · Full Time
$155k - $256k Apply →
Certification Engineer
El Segundo, CA · On Site · Full Time
$134k - $190k Apply →
Senior Mechanisms Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Senior Technical Recruiter
El Segundo, CA · On Site · Full Time
$115k - $168k Apply →
Director of Regulatory Affairs
Washington, D.C. · On Site · Full Time
$186k - $258k Apply →
Principal Embedded Software Engineer
El Segundo, CA · On Site · Full Time
$201k - $314k Apply →
Mechanical Engineer, Fluid Systems
El Segundo, CA · On Site · Full Time
$108k - $150k Apply →
Staff Mechanical Engineer, Fluid Systems
El Segundo, CA · On Site · Full Time
$201k - $314k Apply →
Senior Mechanical Engineer, Fluid Systems
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Manager Government Affairs
Washington, D.C. · On Site · Full Time
$161k - $236k Apply →
Manager, Regulatory Systems Engineering
El Segundo, CA · On Site · Full Time
$186k - $258k Apply →
Systems Engineer
El Segundo, CA · On Site · Full Time
$134k - $190k Apply →
Principal Turbomachinery Engineer
El Segundo, CA · On Site · Full Time
$201k - $314k Apply →
Senior Build Engineer, Turbomachinery
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Engineering Manager, Electronics
El Segundo, CA · On Site · Full Time
$209k - $284k Apply →
Senior Power Electronics Engineer
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Principal Power Systems Engineer
El Segundo, CA · On Site · Full Time
$201k - $314k Apply →
Lead Test Engineer, Power Generation
El Segundo, CA · On Site · Full Time
$151k - $208k Apply →
Senior Electrical Engineer
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Mechanical Engineer – Turbomachinery Rotordynamics
El Segundo, CA · On Site · Full Time
$158k - $219k Apply →
Senior Manufacturing Engineer
El Segundo, CA · On Site · Full Time
$134k - $185k Apply →
Regulatory Engineer
El Segundo, CA · On Site · Full Time
$134k - $190k Apply →