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Internships at Commonwealth Fusion Systems

22 open student roles at Commonwealth Fusion Systems. They range from internships to co-ops and research. 100% list pay or say they are paid. The most common start terms are Spring 2027 and Summer 2027.

Open roles
22
Start
Spring 2027 (12) and Summer 2027 (10)
Where
Devens, MA (18), Somerville, MA (2), Devens, MA & Somerville, MA (1) and 1 more place
Listed pay
22 of 22 roles say they are paid; no rate given
Fields
Engineering (7), Mechanical Engineering (3) and Software Engineering (3)
Newest posting
November 3, 2026
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Bar chart of the 22 open roles on this page by state: Massachusetts 21, California 1.
Where these 22 roles are, counted from the open listings (a role in two states counts in each).

From Commonwealth Fusion Systems's current postings

Counts below cover the fields shown. A role can name more than one field or location. Example pay is shown as listed.

  • Engineering

    7 open roles. Start terms: Spring 2027 (4) and Summer 2027 (3). Locations: Devens, MA (4), Devens, MA & Somerville, MA (1) and 2 more places.

    Example posting: Intern - Controls Engineer - Summer 2027.

  • Mechanical Engineering

    3 open roles. Start terms: Spring 2027 (3). Locations: Devens, MA (3).

    Example posting: Intern - Electrical/Electromechanical Engineer - Spring 2027.

  • Software Engineering

    3 open roles. Start terms: Summer 2027 (3). Locations: Devens, MA (3).

    Example posting: Intern - Nuclear/Systems Engineer - Summer 2027.

When do Commonwealth Fusion Systems internships start?

Spring 2027 is the most common start: 12 of the 22 open roles. Others start in Summer 2027.

Where are Commonwealth Fusion Systems internships?

The open roles are in Devens, MA (18), Somerville, MA (2), Devens, MA & Somerville, MA (1) and Milpitas, CA (1).

Does Commonwealth Fusion Systems pay interns?

22 of the 22 open roles say they are paid, but the postings don’t give a rate.

When does Commonwealth Fusion Systems post internships?

The open roles were posted between October 9 and November 3, 2026. InternScout checks for new ones every day.

How do I apply to Commonwealth Fusion Systems?

Every role on this page links to the application on Commonwealth Fusion Systems’s own site. InternScout doesn’t take applications or fees.

InternScout is not affiliated with Commonwealth Fusion Systems. These are roles InternScout found on Commonwealth Fusion Systems's public job boards; always apply on the employer's own site.

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Updated November 4, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.