Browse Jobs
Browse fresh roles from company career pages, then filter by keyword, location, salary, skills, remote scope, and more. Each listing links back to the employer-controlled apply path when available.
159 jobs match your filters
1mo
Senior Technical Recruiter
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$115K - $168K
remoteFull-timeEasy Apply
1mo
Thermal Modeling Engineer - 2026 New Graduate
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$105K - $125K
remoteFull-timeEasy Apply
1mo
R
Datacentre Operations Engineering
Radiant
About Us We’re a fast-growing GPU-as-a-Service provider, delivering scalable, high-performance compute infrastructure purpose-built for AI and HPC workloads. Operating across global data centres, we run mission-critical environments where uptime, throughput, and ultra-low latenc
Paris-Saclay
onsiteFull-timeEasy Apply
1mo
R
Infrastructure Tooling & Observability Engineer( UK)
Radiant
About Us We’re a fast-growing GPU-as-a-Service provider, delivering scalable, high-performance compute infrastructure purpose-built for AI and HPC workloads. Operating across global data centres, we run mission-critical environments where uptime, throughput, and ultra-low latenc
London
hybridFull-timeEasy Apply
1mo
R
HPC Infrastructure Site Reliability Engineer
Radiant
About Us We’re a fast-growing GPU-as-a-Service provider, delivering scalable, high-performance compute infrastructure purpose-built for AI and HPC workloads. Operating across global data centres, we run mission-critical environments where uptime, throughput, and ultra-low latenc
Gloucestershire
remoteFull-timeEasy Apply
1mo
R
Datacentre Operations Engineering Lead
Radiant
About Us We’re a fast-growing GPU-as-a-Service provider, delivering scalable, high-performance compute infrastructure purpose-built for AI and HPC workloads. Operating across global data centres, we run mission-critical environments where uptime, throughput, and ultra-low latenc
Paris-Saclay
onsiteFull-timeEasy Apply
1mo
Senior Electrical Engineer, Integration & Test
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$125K - $173K
remoteFull-timeEasy Apply
1mo
R
Cloud Support Engineer (L2)
Radiant
Job Summary: We are seeking a highly skilled Cloud Support Engineer to join our global Customer Support team. The primary goal of this team is to delight our customers worldwide by ensuring that any incident related to Radiant’s Cloud Platform, High Performance Computing (HPC),
London
hybridFull-timeEasy Apply
1mo
Senior Test Engineer
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$140K - $197K
remoteFull-timeEasy Apply
1mo
Mechanical Engineer, Fluid Systems - 2026 New Graduate
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$105K - $125K
remoteFull-timeEasy Apply
1mo
Director of Regulatory Affairs
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
Washington D.C.$186K - $258K
hybridFull-timeEasy Apply
1mo
Principal Embedded Software Engineer
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$201K - $314K
remoteFull-timeEasy Apply
1mo
Mechanical Engineer, Fluid Systems
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA
remoteFull-timeEasy Apply
1mo
Thermal Modeling Engineer
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$108K - $150K
remoteFull-timeEasy Apply
2mo
Project Developer
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$115K - $168K
remoteFull-timeEasy Apply
2mo
R
Procurement Manager - (Luxury Hospitality Group)
Radiant Hospitality Company
Step into a world-class environment with a Luxury Hospitality Group that prides itself on exceptional quality. Their brand is built on a foundation of easy-going elegance, where every detail, from their handpicked ingredients to their bespoke interiors...
Johannesburg, Gauteng, South Africa
hybridFull-time
2mo
Staff Mechanical Engineer, Fluid Systems
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA
remoteFull-timeEasy Apply
2mo
Senior Mechanical Engineer, Fluid Systems
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA
remoteFull-timeEasy Apply
2mo
R
US Infrastructure & Operations Technical Lead
Radiant
Role Overview We are seeking a US Infrastructure Operations Technical Lead to drive the operational excellence, technical leadership, and growth of Radiant’s US Infrastructure Operations function. This is a hands-on player-manager role designed for an infrastructure-focused engi
US East Coast
remoteFull-timeEasy Apply
2mo
Senior Manager Government Affairs
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
Washington D.C.
hybridFull-timeEasy Apply
2mo
R
Platform Site Reliability Engineer
Radiant
About Radiant Radiant is redefining how AI infrastructure is built. We design and operate AI-native cloud platforms engineered for sovereignty, performance, and scale. Our infrastructure powers GPU-native workloads, multi-tenant control planes, and high-performance AI systems d
Gloucestershire
remoteFull-timeEasy Apply
2mo
Manager, Regulatory Systems Engineering
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$161K - $236K
remoteFull-timeEasy Apply
2mo
Systems Engineer
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA$134K - $190K
remoteFull-timeEasy Apply
2mo
Supply Chain Manager
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA
remoteFull-timeEasy Apply
2mo
Direct Procurement Manager
Radiant
About Radiant Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5
El Segundo, CA
remoteFull-timeEasy Apply