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Company jobs

Jobs at Radiant

Radiant is an El Segundo, CA-based startup developing mass-produced, portable nuclear microreactors. The company's flagship product, Kaleidos, is a 1-megawatt fail-safe microreactor designed to replace diesel generators for hospitals, data…

50 live roles51-200 employeesVerified 1d ago

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Current roles

Company website

Mechanical Engineer, Motor Design - 2026 New Graduate

New grad

Los Angeles · On-site · $95k–$105k

Senior Test Engineer, Mechanical/Fluids

Senior

Los Angeles · On-site · $134k–$185k

Test Engineer, Mechanical/Fluids

Mid-level

Los Angeles · On-site · $107k–$146k

Supply Reliability Engineer

Mid-level

Los Angeles · On-site · $134k–$190k

Senior Manager, Power Systems

Senior

Los Angeles · On-site · $209k–$284k

CNC Machinist

Mid-level

Los Angeles · On-site · $45–$61/hr

Engineering Technician

Senior

Los Angeles · On-site · $41–$56/hr

Facilities Technician - Electrical

Mid-level

Los Angeles · On-site · $33–$41/hr

Senior Equipment Engineer

Senior

Los Angeles · On-site · $134k–$185k

Senior Manager, Embedded Systems Engineering

Staff+

Los Angeles · On-site · $209k–$284k

Engineering Manager, Integration & Test

Staff+

Los Angeles · On-site · $209k–$284k

Quality Systems Engineer

Junior

Los Angeles · On-site · $134k–$190k

Senior Mechanical Engineer, Mechanisms

Senior

Los Angeles · On-site · $134k–$185k

Principal Electrical Engineer, Integration & Test

Staff+

Los Angeles · On-site · $201k–$314k

Senior Manager, Enterprise Data

Senior

Los Angeles · On-site · $171k–$233k

Senior Reactor Systems Engineer

Senior

Los Angeles · On-site · $134k–$185k

Thermal Modeling Engineer - 2026 New Graduate

New grad

Los Angeles · On-site · $105k–$125k

Senior Electrical Engineer, Integration & Test

Senior

Los Angeles · On-site · $158k–$219k

Senior Test Engineer

Senior

Los Angeles · On-site · $134k–$185k

Mechanical Engineer, Fluid Systems - 2026 New Graduate

New grad

Los Angeles · On-site · $105k–$125k

Principal Embedded Software Engineer

Staff+

Los Angeles · On-site · $201k–$314k

Thermal Modeling Engineer

unspecified

Los Angeles · On-site · $108k–$150k

Mechanical Engineer, Fluid Systems

unspecified

Los Angeles · On-site · $108k–$150k

Staff Mechanical Engineer, Fluid Systems

Staff+

Los Angeles · On-site · $201k–$314k

Senior Mechanical Engineer, Fluid Systems

Senior

Los Angeles · On-site · $158k–$219k

Systems Engineer

Junior

Los Angeles · On-site · $134k–$190k

ERP Implementation Specialist

Mid-level

Los Angeles · On-site · $101k–$143k

Build Engineer, Turbomachinery

unspecified

Los Angeles · On-site · $74k–$130k

Senior Software Engineer, Applications

Senior

Los Angeles · On-site · $158k–$219k

Senior Thermal Analyst

Senior

Los Angeles · On-site · $140k–$225k

Senior Thermal Engineer

Senior

Los Angeles · On-site · $140k–$225k

Senior Thermal Modeling Analyst

Senior

Los Angeles · On-site · $140k–$225k

Senior Thermal Modeling Engineer

Senior

Los Angeles · On-site · $140k–$225k

Senior Controls Systems Engineer

Senior

Los Angeles · On-site · $158k–$219k

Principal Software Engineer, Compute

Staff+

Los Angeles · On-site · $201k–$314k

IT Help Desk Associate

Junior

Los Angeles · On-site · $30–$35/hr

Engineering Manager, Electronics

Staff+

Los Angeles · On-site · $209k–$284k

Senior Power Electronics Engineer

Senior

Los Angeles · On-site · $158k–$219k

Lead Nuclear Engineer

Staff+

Los Angeles · On-site · $141k–$237k

Principal Power Systems Engineer

Staff+

Los Angeles · On-site · $201k–$314k

Lead Test Engineer, Power Generation

Senior

Los Angeles · On-site · $158k–$247k

Senior Electrical Engineer

Senior

Los Angeles · On-site · $158k–$219k

Mechanical Engineer, Electrical Systems

Junior

Los Angeles · On-site · $74k–$130k

Director, Enterprise Data

Staff+

Los Angeles · On-site · $209k–$284k

Senior Mechanical Engineer (Structures)

Senior

Los Angeles · On-site · $134k–$185k

Senior Mechanical Engineer (Sheet Metal Structures)

Senior

Los Angeles · On-site · $134k–$185k

Senior Mechanical Engineer – Turbomachinery Rotordynamics

Senior

Los Angeles · On-site · $158k–$247k

Regulatory Engineer

Mid-level

Los Angeles · On-site · $134k–$190k

Nuclear Engineer

Mid-level

Los Angeles · On-site · $107k–$146k

Senior Motor Design Engineer

Senior

Los Angeles · On-site · $158k–$247k