Intern - Mechanical Engineer - Summer 2027
About The Position
Commonwealth Fusion Systems is seeking a Mechanical Engineering Intern to contribute to meaningful engineering work supporting the company’s fusion-energy mission. Interns are assigned to projects based on the team’s needs, so project work and required technical skills may vary. The internship runs 13–18 weeks and requires 40–50 hours per week. On-site opportunities are available in Milpitas, California; interns working on site are responsible for arranging their own transportation and housing. Applicants must be currently enrolled college students, from bachelor’s through PhD study, and authorized to work in the United States for any employer. The intern will support mechanical design and engineering analysis, fabrication and testing, digital CAD-file organization, and lab or shop organization. The role involves hands-on work in a shop or lab and requires attention to safety around potential industrial hazards, which may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics. The role may occasionally require travel, nights, weekends, or on-call work.
Requirements
- Currently pursuing an engineering degree focused on Mechanical Engineering, Aerospace Engineering, or Mechatronics.
- Experience or skills in 3D CAD modeling and engineering calculations.
- Hands-on assembly skills.
- Basic machining skills.
- 3D printing skills.
- Strong organizational skills.
- Must be authorized to work in the United States for any employer.
- Must be willing to travel or work required nights, weekends, or on-call occasionally.
- Ability to perform activities such as typing, standing, or sitting for extended periods.
- Commitment to safety when working around potential hazards including heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics.
Nice To Haves
- Finite element analysis (FEA).
- Participation in student teams or activities such as Formula SAE or robotics, or machine shop experience.
Responsibilities
- Perform CAD modeling, detail drafting, and fundamental engineering calculations to validate mechanical hardware.
- Fabricate and prototype hardware, perform assembly, and conduct physical testing and validation in a shop or lab.
- Organize CAD models, maintain standard component libraries, and improve workspace file structures so data is easy to navigate and reuse.
- Help set up shop toolboxes, organize incoming parts and inventory, and implement physical organization systems for an efficient engineering workspace.
Benefits
- 40 hours of sick time.
- Health, dental, and vision insurance.
- 401(k) with employer matching; enrollment requires being at least 21 years old.
- Professional growth opportunities.
- Team-building activities.
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What This Job Offers
Career Level
Intern
Education Level
No Education Listed
