Onsite Reactor Systems Engineer - Shape NextGen Microreactors

Radiant is seeking a Reactor Systems Engineer in El Segundo, CA to integrate diverse physics, thermal, controls, and materials work into a coherent reactor design. You will work hands-on with thermal models, specs, and subsystem designs while building collaboration across engineering disciplines. The role emphasizes writing specifications, memos, and system descriptions, with a focus on safe, timely delivery in a fast-moving startup environment. Onsite presence at the El Segundo HQ is required.#J-18808-Ljbffr