About the role#
This is a full-time, paid internship for the Summer 2027 term. You will work on-site in Devens, Massachusetts. The role involves 40 to 50 hours of work per week over a 13 to 18 week period. You are responsible for your own transportation and housing during the internship.
What you'll do#
- Perform structural analysis and design calculations.
- Create and maintain technical documentation.
- Build and improve analytical tools.
What you'll need#
- Enrollment in a degree program focused on Mechanical Engineering.
- At least one previous internship.
- Experience with structural analysis hand calculations, finite element analysis, or Python scripting.
- Familiarity with the ASME Boiler Pressure Vessel Code is a plus.
- A strong commitment to safety, including the ability to work around industrial hazards like high voltage, cryogenics, strong magnets, and noise.
- Ability to perform tasks such as typing, standing, or sitting for long periods.
- Flexibility to travel or work nights, weekends, and on-call shifts if necessary.
Location & details#
- Location: Devens, MA.
- Modality: On-site.
- Sponsorship: Not provided. You must be authorized to work in the United States.
About Commonwealth Fusion Systems
Commonwealth Fusion Systems develops fusion power plants to supply clean energy. Founded in 2018 and based in Devens, Massachusetts, the company employs between 501 and 1,000 people. It specializes in energy technology and has created high-temperature superconducting magnets to support commercial fusion. The organization operates as a private entity.
How to get in at Commonwealth Fusion Systems
Applying early to Commonwealth Fusion Systems gives you a distinct advantage because recruiters review applications before the candidate pool grows too large. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you can be among the first to submit your materials. This ensures your profile is visible when the hiring team starts their initial search. You can also improve your response rates by reaching out to the people managing these roles directly. Intern Insider surfaces the recruiters behind the company's roles, allowing you to ask relevant questions or request a referral. Taking this step shows you are serious about the work and helps you stand out from the standard queue.



