About the role#
We are looking for a Fusion Fuel Systems Intern to join our team in Devens, Massachusetts. This is a full-time, paid internship available for the Winter or Summer 2027 terms. You will work on-site, contributing to the development of fusion power plants.
What you'll do#
- Perform hands-on commissioning work for SPARC fueling systems.
- Analyze and interpret test data to optimize fuel system operations.
- Assist in setting up hydrogen R&D test stands.
What you'll need#
- Enrollment in a degree program in Chemical Engineering, Chemistry, Physics, or Mechanical Engineering.
- Practical laboratory experience.
- Experience with at least one of the following: vacuum equipment, data analysis, modeling, Python, or fusion-related R&D.
- A strong dedication to safety to mitigate industrial hazards, including exposure to high voltage, cryogenics, noise, and fumes.
- Ability to perform tasks such as typing, standing, or sitting for extended periods.
- Capability to walk up and down stairs to access the tritium facility.
- Willingness to travel or work nights, weekends, and on-call shifts as needed.
Location & details#
- Location: Devens, Massachusetts.
- Work Modality: On-site.
- Term: Winter 2027 or Summer 2027.
- Commitment: Full-time.
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.



