Senior Pulsed Power Physicist

Fusion Energy Base; Denver (CO); On-site; USD 140,000 - 190,000; Full time

Job summary

Xcimer Energy, based in Denver, Colorado, seeks a Senior Pulsed Power Physicist to lead the science and engineering of electron-beam cathode systems for its inertial fusion energy program. You will advance cathode technologies, optimize beam transport structures, and oversee experimental setups from concept through commissioning.

The role demands both strong theoretical grounding and hands-on experimental rigor, with documentation as a core responsibility.

Qualifications

• Experience in pulsed power physics and electron-beam systems.
• Strong ability to design, test, and optimize cathode technologies.
• Proven track record with experimental data, analysis, and documentation.

Responsibilities

• Lead cathode development across emitter technologies.
• Design and optimize hibachi foil/anode structures for beam transport.
• Build and commission complex experimental systems from concept to operation.

Skills

Pulsed power engineering

Electron-beam physics

Experimental design

Technical documentation

Job description

Job overview

Senior Pulsed Power PhysicistDenver, COEngineering – Pulsed Power Engineering /Full-Time /On-siteXcimer 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! This is a full-time, onsite role based at our headquarters in Denver, CO. As a Senior Pulsed Power Physicist, you will work on the science and engineering of electron-beam cathode systems for Xcimer's pulsed power driven inertial fusion energy program. The core goal is maximizing beam efficiency and energy deposition on target. You will lead cathode development across multiple emitter technologies , design and optimize hibachi foil/anode structures for beam transport, and build complex experimental systems from concept through commissioning. This role carries significant independent scientific responsibility. We want someone who is strong in both theory and experiment and rigorous about documentation.