# Senior Test Planning Engineer - Assembly 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: Senior
- Location: Devens, MA
- Work setup: On-site
- Pay: $110K to $185K base salary per year (USD)
- Posted: 2026-09-21
- Apply by: 2026-11-05
- Apply: https://jobs.lever.co/cfsenergy/971e78d1-ecf2-4ad7-973a-3b1e52c418af
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-senior-test-planning-engineer-assembly/

## 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

- BS in Engineering or related field
- 7 Years of equivalent engineering experience
- Previous testing experience with hazards
- Previous electrical testing experience (high voltage)
- High proficiency MS Office, Bluebeam or Acrobat, and 3D modeling programs
- Ability to occasionally lift up to 50 lbs

Tags: Assembly
