Intern - Mechanical Engineer - Summer 2027
EngineeringMechanical Engineer
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Quick Summary
Overview
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies,
Technical Tools
EngineeringMechanical Engineer
About Commonwealth Fusion Systems:
Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.
Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.
We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.
Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.
If that’s you and this role fits, we want to hear from you.
Join the power movement as a Mechanical Engineering Intern
We are looking for a talented Mechanical Engineering Intern to join our team! CFS interns are highly valued within the organization and placed into meaningful and challenging roles.
- Pursuing an engineering degree with focus in the fields of Mechanical Engineering, Aerospace Engineering, Mechatronics
- 3D CAD modeling, engineering calculations
- FEA (nice to have)
- Hands-on assembly
- Basic machining
- 3D printing
- Student team and activities (Formula SAE, robotics, machine shop expreience)
- Strong organizational skills
#LI-Onsite
At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.
We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.
This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.
Location & Eligibility
Where is the job
Milpitas, United States
On-site at the office
Who can apply
US
About this job
- Pay per year
- ≈ $52,000–$79,040 a year
- 53% below the $140,000 median for Mechanical Engineer jobs on Jobera (658 salaries).
- Who can apply
- United States
- Posted
- Today
Listing Details
- Posted
- October 15, 2026
- First seen
- October 15, 2026
- Last seen
- October 15, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 79%
- Scored at
- October 16, 2026
Signal breakdown
freshnesssource trustcontent trustemployer trust
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