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Mechanical Equipment Engineer Intern

CommonwealthFusion

On-site
Devens, MA
Internship
Internship
$52k–$67kPosted 2h ago
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Real job — pulled straight from CommonwealthFusion’s careers page · Verified October 19, 2026 · No reposts.

Job description

CommonwealthFusion is hiring a Mechanical Equipment Engineer Intern — a internship, based in Devens, MA role ($52k–$67k). Apply directly on CommonwealthFusion's careers page below.

Intern - Mechanical Equipment Engineer - Spring 2027

Team: Internships

Location: Devens, MA

Commitment: Internship

Workplace Type: onsite

Salary:

Rates are aligned to your current year in school, ensuring equitable and consistent pay across our intern program.
 
For BS interns, the hourly rate is $25–$32
For MS/PhD interns, the rate is $35–$38
 
Benefits included for full-time interns:
•     40 hours of sick time
•     Health, dental, and vision insurance
•     401(k) with employer matching (must be 21 years of age to enroll)
•     Professional growth opportunities
•     Team-building activities

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 Equipment Engineering Intern
 
We are looking for a talented Mechanical Equipment Engineering Intern to join our team! CFS interns are highly valued within the organization and placed into meaningful and challenging roles.

Program Details:

  • 26 week internship
  • 40-50 hours per week with set hourly salary based on year in school
  • Opportunity on site in Devens, MA. If an intern is going to be on site, you will be responsible for your own transportation and housing
  • Specific project assignments and required technical skillset will vary based on the team’s existing need.
  • Opportunities available for currently enrolled college students in all levels of schooling from bachelor’s degree to PhD
  • Interns must be authorized to work in the United States for any employer

What you'll do:

    • CAD modeling and drawings in NX
    • Design and support manufacturing equipment (lifting fixtures, weld fixtures, etc.)
    • Work with the equipment and manufacturing teams on the assembly and tear down of equipment
    • Identify and implement process improvements to the production floor

What we’re looking for:

    • Pursuing an engineering degree with focus in Mechanical Engineering 
    • CAD modeling experience (NX preferred) 

Must-have Requirements:

  • Willingness to travel or work required nights/weekends/on-call occasionally
  • Perform activities such as typing, standing, or sitting for extended periods of time
  • Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
#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.
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Frequently asked questions

What is the salary for Mechanical Equipment Engineer Intern at CommonwealthFusion?

The estimated salary range for Mechanical Equipment Engineer Intern at CommonwealthFusion is $52,000 - $67,000 USD per year.

What skills are required for Mechanical Equipment Engineer Intern at CommonwealthFusion?

The required skills for Mechanical Equipment Engineer Intern at CommonwealthFusion include: Mechanical Engineering.

What is the seniority level for Mechanical Equipment Engineer Intern at CommonwealthFusion?

Mechanical Equipment Engineer Intern at CommonwealthFusion is a Internship level position.

How do I apply for Mechanical Equipment Engineer Intern at CommonwealthFusion?

You can view the full description and apply for Mechanical Equipment Engineer Intern at CommonwealthFusion on EchoJobs: https://echojobs.io/job/commonwealthfusion-intern-mechanical-equipment-engineer-spring-2027-ondd6.

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