# Intern - Mechanical Engineer - Summer 2027 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: Internship
- Location: Milpitas, CA
- Work setup: On-site
- Pay: $25 to $38/hr (USD)
- Posted: 2026-10-15
- Apply by: 2026-11-29
- Apply: https://jobs.lever.co/cfsenergy/9690a768-362f-4df8-86a1-554b896cbc76?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-intern-mechanical-engineer-summer-2027/

## 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

- Pursuing an engineering degree in Mechanical Engineering, Aerospace Engineering, Mechatronics, Manufacturing Engineering, or a related field
- 3D CAD modeling and first-principles engineering calculations
- Basic exposure to Finite Element Analysis (FEA) or engineering simulation tools
- Physical assembly, 3D printing/rapid prototyping, basic machining, and comfort in a shop or lab environment
- Active participation on hands-on student teams or campus roles (e.g., Formula SAE/Baja, Robotics/Combat Robotics, Rocketry, Aero/DBF, Solar Car, or Machine Shop staff)
- Mindset for managing both physical shop inventory (toolboxes, part tracking) and digital data (CAD libraries, file structures)

Tags: Internships

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-intern-mechanical-engineer-summer-2027/