Intern - Mechanical Engineer - Fall Co-op 2026
Commonwealth Fusion SystemsDevens, Massachusetts
Internship
Posted February 6, 2026
Apply Now
Application opens on company website
Job Description
A Mechanical Engineering Intern at Commonwealth Fusion Systems will participate in meaningful and challenging roles supporting the development of fusion energy technology, working in a fast-paced environment to solve complex engineering problems and contribute to the company's mission.
Key Responsibilities
- Assist in the design, analysis, and testing of mechanical components and systems.
- Support the development and documentation of engineering drawings and specifications.
- Collaborate with team members on engineering projects related to fusion energy technology.
Requirements
- Currently enrolled in or pursuing a Bachelor's or higher degree in Mechanical Engineering or a related field.
- Ability to work onsite at Commonwealth Fusion Systems facilities (indicated by LI-Onsite).
- Compliance with U.S. export control laws concerning the export of controlled or protected technologies or information, with any employment offer contingent upon such compliance.
Benefits & Perks
Work environment perks: fast-paced environment, values of integrity, execution, impact, and self-critique
Work schedule: Onsite work
Ready to Apply?
Join Commonwealth Fusion Systems and make an impact in renewable energy
Stay Updated on Sustainability Jobs
Get the latest renewable energy jobs and career tips delivered to your inbox.
Job Alerts
Get notified about new sustainability jobs
More at Commonwealth Fusion Systems
More jobs at Commonwealth Fusion Systems
Lead Production Technician
Commonwealth Fusion Systems
NEW
Devens
Full Time
23m
Production Technician - Third Shift
Commonwealth Fusion Systems
NEW
Devens
Full Time
23m
$0k-0k/hr
Production Technician Contractor - Second Shift
Commonwealth Fusion Systems
NEW
Somerville
Contract
23m
$0k-0k/hr