Commonwealth Fusion Systems
Senior Mechanical Engineer – Cable Magnets
$134K–$205K
Devens, MA · Hybrid · Senior · Full-time · Posted Aug 20, 2026
- Experience
- Minimum of 7 years in engineering design and analysis, including at least 2 years providing engineering support to production hardware.
- Education
- Bachelor’s degree in mechanical engineering, aerospace engineering, or another relevant field.
- Visa sponsorship
- Employment offer is contingent on compliance with U.S. Export Control Laws.
About the job
Own cable magnet hardware from concept through design, analysis, procurement, manufacture, assembly, and installation for fusion projects.
What you'll do
- Design and validate cable magnet hardware, including thermal, structural, and electromagnetic analysis.
- Support manufacturing contracts and resolve production and assembly issues, including implementing design changes.
- Prepare design documentation and mentor junior engineers while coordinating with partner teams.
What they ask for
- Bachelor’s degree in mechanical engineering, aerospace engineering, or another relevant field.
- At least 7 years of engineering design and analysis experience, including at least 2 years supporting production hardware by resolving technical issues and implementing design-for-manufacturing or assembly changes.
- Hands-on experience designing parts for high loads and/or extreme environments; knowledge of mechanical systems such as static structures and heat transfer.
- CAD proficiency and FEA experience; familiarity with all steps in the design process.
Nice to have
- NX; ANSYS and COMSOL.
- Expertise in AMSE Y14 GD&T principles; experience with large-scale mechanical components or production/heavy-equipment assembly.
Pay
USD 134,000–205,000 per-year-salary (base salary)
Tools
NX, ANSYS, COMSOL, CAD, FEA
Model-written summary · the original posting is authoritative