Radiant Industries
Open positions
Senior Software Engineer, Frontend
Senior frontend engineer owning the UI for Radiant's in-house telemetry and fleet management platform for its portable nuclear microreactor, Kaleidos. Day to day: building reliable, high-performance React + TypeScript (Vite) interfaces for real-time telemetry streaming, data analysis, and complex device configuration, 100% onsite in El Segundo, CA.
Engineering Manager, Integration & Test
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Construction Manager
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Environmental, Health & Safety (EHS) Manager
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Technical Program Manager
Own government contracts for a startup building portable nuclear microreactors, managing milestones, compliance, and cross-functional teams to deliver safe, factory-built reactors to military and critical infrastructure sites.
Senior System Administrator
Senior System Administrator who owns Radiant's day-to-day IT: the Microsoft 365 GCC High tenant, Entra ID identity/access automation, Intune endpoint management, Defender and Purview email/data security, SaaS like Box and Slack, and AWS workloads — while implementing CMMC controls as normal work. 100% onsite at El Segundo, CA HQ.
Direct Procurement Manager
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Quality Operations Specialist
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Senior FPGA Engineer, Verification
Lead verification of safety-critical FPGAs for Radiant's nuclear microreactor control, instrumentation, and communication systems — building SystemVerilog/UVM testbenches, driving coverage closure, and collaborating with RTL, hardware, and embedded software teams. Onsite in El Segundo, CA.
Senior Technical Program Manager, IT Infrastructure
Own visibility and delivery across Radiant's IT and security program portfolio (8 concurrent programs including facility buildouts, site decommissioning, and CMMC/NIST 800-171 compliance). Day to day: build Jira/Confluence tracking systems, run status and cross-functional reviews, maintain integrated schedules, and coordinate IT scope with construction from Radiant's El Segundo HQ (100% onsite).
Permitting Manager
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Director, Nuclear Engineering
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Senior Automation and Controls Engineer
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Quality Systems Engineer
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Senior Electrical Engineer, PCB
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Technical Recruiter 2026 New Graduate
About Radiant Radiant is an El Segundo, CA-based startup building the worldâs first mass-produced, portable nuclear microreactors. The companyâs first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that…
Structured Finance Manager
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Regulatory Program Manager
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Senior Test Engineer, Mechanical/Fluids
About Radiant Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving…
Test Engineer, Mechanical/Fluids
Test Engineer supporting development, qualification, and acceptance testing of Radiant's portable nuclear microreactor hardware (fluid, electrical, structural systems), working as test conductor/director to execute procedures and drive iterative hardware improvements in a fast-paced, regulated DOE/NRC environment.