Intern - Mechanical and Magnet Engineer - Spring or Summer 2027

Commonwealth Fusion Systems•Devens, MA

8d•Onsite

About The Position

Commonwealth Fusion Systems is hiring Mechanical and Magnet Engineering Interns for spring or summer 2027. Interns take on meaningful, challenging work supporting the design and development of commercially viable fusion power systems. Specific assignments and technical requirements vary with team needs. Opportunities are available to currently enrolled college students at all levels, from bachelor's degree through PhD. The internship is 13–26 weeks and requires 40–50 hours per week, with an hourly rate based on school year and degree level. On-site opportunities are available in Devens, Massachusetts; interns working on site are responsible for their own transportation and housing. Interns must be authorized to work in the United States for any employer. The role requires compliance with U.S. export control laws. Full-time interns receive sick time, health, dental, and vision insurance, a 401(k) with employer matching for those age 21 or older, professional growth opportunities, and team-building activities. The company is an equal opportunity employer and values diverse perspectives.

Requirements

Pursuing a degree with a focus in Mechanical Engineering.
Prior experience with 3D CAD, machine shop work, rapid prototyping and assembly, and first-principles structural and thermal analysis.
Active participation and hands-on experience on student teams such as Formula SAE or Rocket Club.
Demonstrated exceptional results through a range of pursuits.
High self-motivation and drive to execute quickly, with excellent troubleshooting and problem-solving skills.
Able to communicate with technical engineers and scientists as well as people with less technical backgrounds, including technicians and supply chain staff; willing to ask for help and work well on a team.
Must be authorized to work in the United States for any employer.
Able to perform activities such as typing, standing, or sitting for extended periods.
Commitment to safety in environments with potential hazards including heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics.
Comply with U.S. laws concerning export-controlled or protected technologies and information.

Responsibilities

Design tooling and hardware to accelerate magnet production and SPARC assembly, using design, first-principles analysis, and rapid prototyping.
Develop optimization tools and perform design optimization and cost reduction for next-generation magnet systems and tokamak structures.
Fabricate and iterate on next-generation designs to inform design-for-manufacturing and design-for-assembly trade studies, cost reduction, and commercialization of fusion systems.