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
1d
Nuclear Engineer, Core Physics
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$107K - $146K
remoteFull-timeEasy ApplyToday
2d
Technical Recruiter - 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$35 - $35
remoteFull-timeEasy Apply
3d
State Engagement Director
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
1w
Senior Software Engineer, HPC DevOps
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
1w
R
Principal Investment
Radiant
About Radiant Radiant is redefining how AI infrastructure is built. We design and operate AI-native infrastructure platforms engineered for sovereignty, performance, and scale — powering GPU-native workloads, multi-tenant control planes, and high-performance AI systems for the m
London
hybridFull-timeEasy Apply
1w
R
Head of Capital Markets & Treasury
Radiant
About Radiant Radiant is redefining how AI infrastructure is built. We design and operate AI-native infrastructure platforms engineered for sovereignty, performance, and scale — powering GPU-native workloads, multi-tenant control planes, and high-performance AI systems for the m
London
hybridFull-timeEasy Apply
1w
Regulatory Program 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$161K - $236K
remoteFull-timeEasy Apply
1w
Strategic Sourcing 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$86K - $168K
remoteFull-timeEasy Apply
1w
R
Senior Manager, Field & Experiential Marketing
Radiant
Company Overview: 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 syste
London
hybridFull-timeEasy Apply
1w
R
DevOps Engineer
Radiant
Job Role As a DevOps Engineer at Radiant, you'll be a hands-on technical leader at the heart of our engineering organisation, owning the design, delivery, and reliability of our most critical infrastructure. You'll drive the automation and continuous improvement of our deploymen
London
hybridFull-timeEasy Apply
1w
Mechanical Engineer, Motor Design - 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$95K - $105K
remoteFull-timeEasy Apply
1w
R
Director, Technical Product Marketing
Radiant
About the Role Radiant is looking for a Director of Technical Product Marketing to turn our technical advantages into clear, credible, market-facing narratives. This is an embedded role for someone who wants to be close to the product, close to engineering, and close to the rea
London
hybridFull-timeEasy Apply
1w
R
Director, Social Media & Technical Communications
Radiant
About Radiant Radiant is looking for a senior social media and communications leader who can turn deep technical substance into public narrative, executive voice and market momentum. The right candidate is a high-agency B2B technology storyteller: technically curious, editorial
London
hybridFull-timeEasy Apply
1w
Senior Test Engineer, Mechanical/Fluids
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 - $185K
remoteFull-timeEasy Apply
2w
R
Senior SDET
Radiant
About the role We’re looking for a Senior SDET with strong experience in Golang and Kubernetes to join our core product team. In this role, you'll design and build high-performance, cloud-native back-end systems and scalable APIs to support AI workloads, including LLMs and GPU-b
London
hybridFull-timeEasy Apply
2w
Test Engineer, Mechanical/Fluids
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$107K - $146K
remoteFull-timeEasy Apply
2w
R
Restaurant Manager x 2 - High-End Restaurant, Lounge & Bar
Radiant Hospitality Company
An opportunity has arisen for an experienced, hands-on Restaurant Manager to help launch a prestigious new 280-seater restaurant, lounge and bar in Sea Point, Cape Town, South Africa, on behalf of an established premium hospitality group.This is a high...
Cape Town, Western Cape, South Africa
remoteFull-time
2w
R
Senior Restaurant Manager x 2 - High-End Restaurant, Lounge & Bar
Radiant Hospitality Company
An opportunity has arisen for a highly experienced Senior Restaurant Manager to lead the launch of a prestigious new 280-seater restaurant, lounge and bar in Sea Point, Cape Town, on behalf of an established premium hospitality group.This is the venue&...
Cape Town, Western Cape, South Africa
remoteFull-time
3w
Business Development 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$115K - $168K
remoteFull-timeEasy Apply
3w
Supply Reliability 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
3w
Senior Manager, Power 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$209K - $284K
remoteFull-timeEasy Apply
3w
CNC Machinist
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$45 - $61
remoteFull-timeEasy Apply
3w
Engineering Technician
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$41 - $56
remoteFull-timeEasy Apply
3w
Reactor Operations Training Specialist
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$150K - $208K
remoteFull-timeEasy Apply
3w
Facilities Technician
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$33 - $41
remoteFull-timeEasy Apply