Radiant builds Kaleidos, a portable, factory-built nuclear microreactor that delivers a megawatt of clean power anywhere it is needed. Backed by a16z, Felicis and USV.
About the role
Radiant is seeking a highly motivated Senior Tooling Engineer who will be working closely with design engineers and the manufacturing team to develop and innovate custom equipment to build and assemble our microreactor system. You will be part of the early team that develops production equipment for the factory that will mass produce, fuel, and refuel Kaleidos. Partner with design and manufacturing engineers to develop innovative production equipment for fabricating and assembling complex mechanisms and structures.
What they're looking for
- Bachelor’s degree from an accredited institution in mechanical, manufacturing, or other related engineering discipline
- 4+ years of experience in mechanical equipment design and fabrication of multi-component assemblies in CAD (NX or similar)
- Solid understanding of Geometric Dimensioning & Tolerancing (GD&T) with experience applying it to fabrication drawings
- Master’s degree from an accredited institution in mechanical, manufacturing, or other related engineering discipline
- Proficiency with both “hand calc” analytical methods and higher fidelity finite element-based analysis methods
- Self-motivated with strong organizational, written, and oral communication skills
More about this role
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 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028.
Radiant is seeking a highly motivated Senior Tooling Engineer who will be working closely with design engineers and the manufacturing team to develop and innovate custom equipment to build and assemble our microreactor system. You will be part of the early team that develops production equipment for the factory that will mass produce, fuel, and refuel...
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