# Principal Mechanical Engineer - Web Handling 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: Principal and up
- Location: Milpitas, CA
- Work setup: On-site
- Pay: $187K to $270K base salary per year (USD)
- Posted: 2026-10-14
- Apply by: 2026-11-28
- Apply: https://jobs.lever.co/cfsenergy/8304d1fb-7fd0-4af4-a062-d144eae24b07?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-principal-mechanical-engineer-web-handling/

## 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

- Education: Master’s or PhD in Mechanical Engineering, Mechatronics, or a related field (or equivalent specialized industrial experience)
- Experience: 15+ years of proven track record as a recognized technical leader in the architectural design, scaling, and implementation of complex web handling, roll-to-roll (R2R), or converting equipment
- Cross-Disciplinary Mastery: Demonstrated capability to integrate mechanical systems seamlessly with advanced motion controls, power electronics, and thermal management systems
- Proven Track Record in High-Stakes Tooling: Successful history of bringing first-of-a-kind continuous processing capital equipment from concept through commissioning and high-yield operational scale
- Influential Leadership: Demonstrated ability to drive technical consensus and lead multi-disciplinary teams without relying on formal line management authority
- Ability to occasionally lift up to 50 lbs

Tags: Tool Development

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-principal-mechanical-engineer-web-handling/