Commonwealth Fusion Systems - United States, Devens, Engineering

Join Commonwealth Fusion Systems as a Mechanical and Magnet Engineering Intern in Devens. Design tooling, run structural analysis, and prototype next-gen magnet systems. Pursuing a mechanical engineering degree with 3D CAD and hands-on experience.

Join Commonwealth Fusion Systems as a Materials Test Engineer Intern in Devens for Summer 2027. Support lab operations, sample prep, and test development for critical fusion components. Pursuing Materials or Mechanical Engineering degree.

Join Commonwealth Fusion Systems as an EHS Engineer Intern in Devens for Spring or Summer 2027. Support regulatory filings, audits, and site inspections while pursuing a STEM degree.

Join Commonwealth Fusion Systems as a Cryogenics Engineering Intern in Devens. Work on PFDs, P&IDs, thermohydraulic modeling, and hands-on testing while supporting the fusion energy transition.

Join Commonwealth Fusion Systems as a Senior Manufacturing Engineer on second shift in Devens. Lead process improvements, Lean and Six Sigma initiatives, and tooling design. Requires 7+ years of experience and a relevant engineering degree.

Join Commonwealth Fusion Systems as a Senior Controls Engineer in Devens. Lead complex equipment development, SCADA systems, and root cause analysis. Requires 7+ years controls experience and IEC 61131-3 mastery.

Join Commonwealth Fusion Systems as a Molten Salt Engineer in Devens. Requires BS in Chemistry or Engineering, 5+ years R&D lab experience, and skills in experimental design and data analysis.

Join Commonwealth Fusion Systems as a Nuclear Engineering Intern for Summer 2027 in Devens. Work on neutronics analyses for SPARC and ARC using MCNP or OpenMC while pursuing your engineering degree.

Join Commonwealth Fusion Systems as a Mechanical Equipment Engineering Intern in Devens. Support CAD design in NX, manufacturing equipment, and process improvements on the production floor.

Join Commonwealth Fusion Systems as a Controls Engineer in Devens. Lead PLC integration, troubleshoot production equipment, and drive fusion energy forward. Requires 4+ years' experience and IEC 61131-3 proficiency.

Join Commonwealth Fusion Systems as a CSA Project Engineer in Devens. Lead civil, structural, and architectural scopes for complex industrial facilities. Requires BS in Civil/Structural Engineering and 5+ years of experience.