Commonwealth Fusion Systems - United States

Join Commonwealth Fusion Systems as a Summer 2027 Microwave Engineering Intern in Devens. Work on millimeter wave diagnostics, RF components, and electromagnetic calculations. Pursuing EE, physics, or optics degree.

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 an I&C and Network Engineer Intern in Devens. Support network architecture, CAD drawings, installation, and commissioning. Ideal for engineering students eager to gain hands-on fusion energy experience.

Lead design of advanced R&D equipment for thin film processing at Commonwealth Fusion Systems in Milpitas. Requires 8+ years in mechanical design, 3D modeling (SolidWorks/NX), FEA tools, and team leadership.

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.

Senior Computational Materials Scientist needed at Commonwealth Fusion Systems in Devens. Requires 7+ years experience in computational materials science, ICME tools, and predictive modeling for extreme environments. Join the fusion energy revolution.

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.