About this role
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 building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.
We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.
Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.
If that’s you and this role fits, we want to hear from you.
Join the power movement as a Mechanical Engineer – Cable Magnets
As a Mechanical Engineer for the Cable Magnets Engineering team, you will own hardware from early concepts to delivery. You will develop the design, performing thermal, structural, and electromagnetic analysis to ensure the hardware meets requirements. You will develop design notes, technical specifications, and other documentation necessary to manufacture and install the Cable Magnet hardware and supporting systems. In your role you will also support procurement in the preparation and execution of manufacturing contracts, and support CFS production and assembly teams through build and installation of your designs.
Frequently Asked Questions
What is the salary for the Mechanical Engineer – Cable Magnets role at cfsenergy?
The listed salary for this Mechanical Engineer – Cable Magnets position at cfsenergy is USD 90K–145K. This is an Full time role.
Where is the Mechanical Engineer – Cable Magnets position at cfsenergy located?
This Mechanical Engineer – Cable Magnets role at cfsenergy is based in Devens, MA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Mechanical Engineer – Cable Magnets role at cfsenergy full-time or part-time?
This is listed as a Full time position. It is posted as a Mechanical Engineer – Cable Magnets role in the HTS Magnet Engineering department at cfsenergy.
Which team or department does the Mechanical Engineer – Cable Magnets at cfsenergy belong to?
This Mechanical Engineer – Cable Magnets position is part of the HTS Magnet Engineering department at cfsenergy. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Mechanical Engineer – Cable Magnets position at cfsenergy?
Click the "Apply Now" button on this page. You will be redirected to cfsenergy's official application portal hosted on lever where you can submit your application directly.
When was the Mechanical Engineer – Cable Magnets job at cfsenergy posted?
This Mechanical Engineer – Cable Magnets position at cfsenergy was posted on Aug 24, 2026. Apply as soon as possible — early applications are often reviewed first.