Company jobs
Jobs at Commonwealth Fusion
123 open roles · 20 added this week
Open roles at Commonwealth Fusion
Staff Process Engineer
Massachusetts · onsite · Staff · full time
Posted 28 Oct 2026
Senior Quality Engineer
Massachusetts · onsite · Senior · full time
Posted 28 Oct 2026
Mechanical Engineer
Massachusetts · onsite · full time
Posted 28 Oct 2026
Senior Strategic Program Manager, Open Innovation
Massachusetts · onsite · Senior · full time
Posted 28 Oct 2026
Intern - Plasma Physics - Summer 2027
Massachusetts · onsite · Internship · intern
Posted 27 Oct 2026
Intern - Composites and Insulation Materials - Summer 2027
Massachusetts · onsite · Internship · intern
Posted 27 Oct 2026
Intern - I&C and Network Engineer - Spring or Summer 2027
Massachusetts · onsite · Internship · intern
Posted 27 Oct 2026
Intern - Systems Engineer - Summer 2027
Massachusetts · onsite · Internship · intern
Posted 27 Oct 2026
Intern - Microwave Engineer - Summer 2027
Massachusetts · onsite · Internship · intern
Posted 26 Oct 2026
Intern - Cryogenics Engineer - Spring 2027
Massachusetts · onsite · Internship · intern
Posted 26 Oct 2026
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Commonwealth Fusion hiring at a glance
Hiring across Engineering (6), IT & Security (1), Operations & Strategy (1).
By level: Internship (6), Senior (2), Staff (1).
Most common locations: Massachusetts (10).
Counted from the roles listed above. Many postings do not list pay.
