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Senior Mechanical Engineer, Process Equipment

Commonwealth Fusion Systems

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In brief

Commonwealth Fusion Systems is hiring: Senior Mechanical Engineer, Process Equipment in the US.

Duties

  • Lead and contribute to the design of fluid process systems for testing at varying scales
  • Develop specifications and designs of high-temperature molten salt process equipment, including vessels, tanks, valves, pumps and piping systems
  • Be the technical lead interfacing with suppliers and construction teams to procure, install and commission process equipment
  • At later project stages, support fixed equipment mechanical reliability
  • Support pipe stress evaluations working with piping stress engineers

Required profile

  • Bachelors degree in Chemical Engineering, Mechanical Engineering, or equivalent
  • 8+ years of work experience
  • Detailed knowledge of ASME BPVC and B31.3 and their use in designing process equipment and piping systems
  • Design of industrial scale fixed equipment
  • Design of higher

Excerpt from the ad

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…

Source: ad by Commonwealth Fusion Systems, published on Careers pages (ATS). MakeYouFirst summarises this ad; the advertiser remains responsible for its content.

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FAQ

Frequently asked questions

Can this job be done remotely?

Yes, the ad says the job is partly remote (hybrid).

Where is the job based?

The job is based in the US (United States).

How do I apply for this job?

Click “Apply now”: with your free MakeYouFirst account, your CV and cover letter are tailored to this job, the recruiter’s email is found for you and the application is sent from your own mailbox once you approve it.

What skills do mechanical engineer jobs require?

Manufacturing employers look for people who are rigorous, careful about safety and quality, and good in a team. Machine operation, production software and quality procedures come up often in the ads.

Do mechanical engineer jobs involve shift work?

Often: many sites run two or three shifts, sometimes with nights and weekends. Shift and night premiums then increase your pay; the ad usually states the shift pattern.

Listing published by Youssef Douiri, founder of MakeYouFirst · Updated on 9 November 2026

MakeYouFirst — a Global Digital Agency product