Commonwealth Fusion Systems
Field Mechanical Engineer - Assembly
$107K–$160K
Devens, MA · On-site · Full-time · Posted May 30, 2026
- Experience
- 5 years' experience; also requires 3+ years of Mechanical Engineering experience demonstrating project ownership, 2+ years overseeing an in-progress construction, manufacturing, or assembly/integration process, and 2+ years of CAD software experience.
- Education
- B.S. in Civil, Mechanical, or Aerospace Engineering.
About the job
Own and improve SPARC tokamak assembly processes, resolving technical issues and equipping technicians to assemble major components safely and effectively.
What you'll do
- Own the assembly sequence for assigned workstations, including Toroidal Field Coil semicircle sub-assemblies, and define first-encounter work scope.
- Resolve assembly issues, procure or build required tools and fixtures, and test and hand off processes to production technicians.
- Provide manufacturability and assembly feedback to design teams, support non-conformance resolution, and assist with hands-on tokamak assembly.
What they ask for
- B.S. in Civil, Mechanical, or Aerospace Engineering with 5 years' experience.
- 3+ years of Mechanical Engineering experience demonstrating project ownership.
- 2+ years overseeing an in-progress construction, manufacturing, or assembly/integration process.
- 2+ years of experience with CAD software.
Nice to have
- Experience with Siemens NX.
- Lifting operations experience.
Pay
USD 107,000–160,000 (base salary, per-year-salary)
Tools
CAD software, Siemens NX
Model-written summary · the original posting is authoritative