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Commonwealth Fusion Systems

Develops high-temperature superconducting fusion magnets

Mechanical and Magnet Engineer Intern

Design EngineeringConfirmed live in the last 24 hours
Internship · Spring 2027, Summer 2027Devens, MA, USA$25 - $38 /hr

About the Job

Requirements

  • Pursuing a degree focused in Mechanical Engineering.
  • Prior experience with 3D computer-aided design (CAD), machine shop work, rapid prototyping and assembly, first-principles structural and thermal analysis, and active hands-on participation in student teams such as Formula SAE or Rocket Club.
  • Be able to perform activities such as typing, standing, or sitting for extended periods.
  • Demonstrate dedication to safety while mitigating industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics.
  • Be authorized to work in the United States for any employer.

Responsibilities

  • Accelerate magnet production and SPARC assembly through design, first-principles analysis, and rapid prototyping in tooling and hardware design.
  • Develop optimization tools and perform design optimization and cost reduction for next-generation magnet systems and tokamak structures through multiphysics and structural analysis.
  • 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.

Desired Qualifications

  • Demonstration of exceptional results through a range of different pursuits.
  • High self-motivation and drive to execute quickly, with troubleshooting and problem-solving skills.
  • Communicate effectively with technical engineers and scientists as well as people with less technical backgrounds, such as technicians and supply chain personnel.

About the Company

Commonwealth Fusion Systems

Develops high-temperature superconducting fusion magnets

Commonwealth Fusion Systems builds fusion energy systems that aim to provide clean, affordable power. It designs tokamaks using high-temperature superconducting magnets to make smaller, less expensive machines. Its flagship SPARC is intended to produce net energy, with ARC envisioned as the first commercial fusion power plant. The company collaborates with MIT and focuses on a data-driven, mission-focused path to scalable fusion energy for large energy users.

Company size
1,001-5,000
Company stage
Grant
Total funding
$4B
Headquarters
Harvard, MA
Founded
2018

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