Intern - Materials Test Engineer - Summer 2027

Commonwealth Fusion Systems•Devens, MA

2d•Onsite

About The Position

Commonwealth Fusion Systems is seeking a Materials Test Engineering Intern to support the Materials Team in developing and testing advanced materials for tokamak systems, including plasma-facing components, the vacuum vessel, and high-field magnets. The intern will work in a collaborative, fast-paced R&D environment and support daily Materials Test Lab operations, test development, and material performance evaluation. The internship is 13–18 weeks, involves 40–50 hours per week, and offers opportunities onsite in Devens, Massachusetts. Interns working onsite are responsible for their own transportation and housing. Project assignments and required technical skills vary based on team needs. Opportunities are available to currently enrolled college students from bachelor’s through PhD levels. Interns must be authorized to work in the United States for any employer.

Requirements

Be pursuing an engineering degree focused on Materials Engineering or Mechanical Engineering.
Be authorized to work in the United States for any employer.
Be willing to travel or work required nights, weekends, or on-call occasionally.
Be able to perform activities such as typing, standing, or sitting for extended periods.
Demonstrate dedication to safety while working around potential industrial hazards, including heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics.
Show high self-motivation, drive to execute quickly, and excellent troubleshooting and problem-solving skills.
Demonstrate exceptional results through a range of different pursuits.

Nice To Haves

Experience with FTIR, optical and SEM imaging, polishing, and sample preparation.
Interest or experience in materials science, metallurgy, mechanical engineering, mechanical testing, electrical engineering, physics, chemistry, nanoscience, microscopy, engineering lab work, or instrumentation.
Hands-on or engineering project experience, or hands-on experience with materials testing and characterization equipment and testing procedures.

Responsibilities

Support day-to-day Materials Test Lab operations and test development, including sample preparation, test execution, data collection, and analysis.
Work with engineers and technicians to evaluate material performance for critical fusion components.
Contribute to custom test development projects.
Potentially commission a new vacuum furnace, design and test polishing and etching recipes, troubleshoot test equipment, develop methods to extract grain-size or inclusion data from SEM or optical images, or work with FTIR.