Jobs at Commonwealth Fusion Systems
Commonwealth Fusion Systems has 136 roles open on insiderOne right now, 4 of them remote. Hiring in Devens, Milpitas and Somerville. Taken from Commonwealth Fusion Systems's own careers board and rebuilt every night, so a role leaves this page the night it leaves theirs. Each listing links to the skills it tests for, so you can prove what you can do before you apply. Updated 29 October 2026.
Commonwealth Fusion Systems
118 jobs · 18 internships open
Other employers hiring
Questions, answered.
How many jobs at Commonwealth Fusion Systems are open right now?
136 at the time this page was built. The list is rebuilt every night from employers' own boards and the platforms they post on, and a role comes off when it closes at its source, or within a week of its deadline.
What kinds of roles does Commonwealth Fusion Systems hire for?
On the roles open now, mostly software, operations and admin, finance and data.
Where is Commonwealth Fusion Systems hiring?
Devens, Milpitas and Somerville, and 4 of the open roles are remote.
Is this list official?
It is taken from Commonwealth Fusion Systems's own careers board and rebuilt every night. It is not written by Commonwealth Fusion Systems, and applying sends you to their site.
Is Commonwealth Fusion Systems legit?
insiderOne can confirm that its open roles come from its own careers system and that insiderOne first saw it hiring on 29 Oct 2026; it cannot confirm that a message or offer in its name really comes from it.
- Commonwealth Fusion Systems has 136 open roles on insiderOne as of 29 Oct 2026.
- All 136 come from Commonwealth Fusion Systems' own careers system (Lever).
- None of the 136 roles state their pay.
- insiderOne first saw a role from Commonwealth Fusion Systems on 29 Oct 2026 (today).
Warning signs in an offer made in any company's name
- Asks you to pay anything first: a registration fee, a security deposit, or a charge for training, a laptop or a certificate.
- Offers you the role without an interview or any test of your work.
- Talks to you only on WhatsApp or Telegram, or writes from a Gmail or other personal address instead of the company's own domain.
insiderOne never charges students to apply. Never pay anyone for an internship. Check an offer you received
Rebuilt every night from employers' own boards and the platforms they post on. Prove a skill before you apply, and carry the receipt to every one of these.