# Senior Field Mechanical Engineer - Assembly - Second Shift 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: 2026-09-23
- Apply by: 2026-11-07
- Apply: https://jobs.lever.co/cfsenergy/34cd9f38-791b-4687-9a51-9b068d103cae?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-senior-field-mechanical-engineer-assembly-second/

## 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. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Civil, Mechanical, or Aerospace Engineering B.S
- 7+ years of Mechanical Engineering
- Experience demonstrating project ownership
- 4+ years experience in overseeing an in-progress construction, manufacturing, or assembly/integration process
- 4+ years of experience with CAD software
- Ability to occasionally lift up to 50 lbs

Tags: Assembly

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-senior-field-mechanical-engineer-assembly-second/