# Senior Opto-Mechanical Engineer, Large Optics Structures at Xcimer Energy

- Company: Xcimer Energy
- What the company does: We're developing an excimer-based laser fusion architecture to commercialize safe, affordable fusion energy while advancing national security. We employ nearly 200 people, mostly in our Denver headquarters. Backed by Prelude Ventures.
- Company website: https://xcimer.energy
- Type: Startups
- Level: Senior
- Location: Denver, CO
- Work setup: On-site
- Pay: $128K to $220K base salary per year (USD)
- Posted: 2026-09-24
- Apply by: 2026-11-08
- Apply: https://jobs.lever.co/xcimer/66ed6448-e341-4d73-a7b9-e3d7db22ab8a?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/xcimer-energy-senior-opto-mechanical-engineer-large-optics-structures/

## About the role

Xcimer Energy builds on decades of research in Inertial Fusion Energy (IFE), combined with a groundbreaking new laser architecture, to accelerate the deployment of fusion power plants. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a world-class team spanning tough tech, fusion science, and advanced manufacturing, with a proven track record of rapid execution. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Education : B.S. in Mechanical Engineering, Optical Engineering, or a related field
- Experience : 10+ years of opto-mechanical engineering experience, including full lifecycle ownership (concept, analysis, procurement, assembly, test) of precision optical hardware
- Demonstrated experience designing mounts and support structures for large optics (meter-class apertures), including truss or weldment structures for support and adjustment
- Experience designing and characterizing optical mounts in the presence of PSD-defined base and external vibration, including quantifying resonant modes and harmonics and correlating FEA to modal test data
- Working knowledge of athermal design: CTE matching, thermal gradient and soak effects on figure and alignment, and low-expansion material selection
- Understanding of gravity-induced sag and print-through and the mount strategies used to control them

Tags: Design Integration

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/xcimer-energy-senior-opto-mechanical-engineer-large-optics-structures/