Vacuum Systems Design Engineer

Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by leading investors, Xcimer is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. Join us in powering a better world with inertial fusion!   As a Vacuum System Design Engineer, you will lead the design, development, manufacturing, and testing of high vacuum and gas delivery systems for next‑generation nuclear fusion energy technology. You will contribute across the full engineering lifecycle—including conceptual design, requirements definition, analysis, structural layout, integration, test, and operations. This role requires creative problem‑solving, rigorous engineering judgment, and