or apply directly on Cfsenergy's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 27 days Cfsenergy's roles stay open a median of 28 days
- Reposted
- No
- Salary listed
- No 13% of Cfsenergy's roles list one
- Ghost-job risk at Cfsenergy
- low 0 stale, 0 reposted of 101 open
- Hiring momentum
- 125 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Cfsenergy's own lever board since 2026-08-04. Full hiring picture for Cfsenergy.
About this role
As a Principal Mechanical Engineer at Commonwealth Fusion Systems, you will be part of the R&D and equipment design team, focusing on the design, integration, and implementation of advanced thermal vacuum equipment and R&D machinery. Your role will involve solving complex thermal-mechanical problems in vacuum environments and mentoring team members in a collaborative and fast-paced setting.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Cfsenergy as an employer.
What you need
- Experience in mechanical engineering with a focus on thermal vacuum equipment
- Ability to design and implement advanced R&D machinery
- Strong problem-solving skills in thermal-mechanical contexts
- Experience mentoring others in a technical environment
Worth weighing
- No specific salary or benefits listed
- Role requires compliance with U.S. export control laws which may affect employment offers
Summarised from Cfsenergy's posting. Read the full original.
Listed by Cfsenergy on their lever job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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