# R&D Production Test Engineer at Commonwealth Fusion Systems (CFS)

- Company: Commonwealth Fusion Systems (CFS)
- What the company does: The world's largest and leading commercial fusion energy company. Backed by Khosla.
- Company website: https://cfs.energy/
- Type: Startups
- Level: Mid level
- Location: Devens, MA
- Work setup: On-site
- Pay: $70K to $120K base salary per year (USD)
- Posted: 2026-09-11
- Apply by: 2026-10-26
- Apply: https://jobs.lever.co/cfsenergy/c9d16c3a-9a46-4e17-884c-b8fb99c9f9d9
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-r-and-d-production-test-engineer/

## About the role

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

## What they're looking for

- Bachelor’s (or higher) in engineering or applied physics, with 2+ years of hands-on testing experience
- Expertise in test stand operation, data collection, and cross-functional collaboration
- Strong background in test planning, data analysis, and test equipment design
- Experience with electromagnetic fundamentals and troubleshooting complex systems
- A passion for process improvement and innovative problem-solving
- Excellent communication skills, with the ability to present technical topics clearly

Tags: R&D Test