Jobs at Commonwealth Fusion Systems Industry: Energy The world's largest and leading commercial fusion energy company Open roles at Commonwealth Fusion SystemsIntern - R&D Multiphysics Simulation Intern - Spring or Summer 2027 — Somerville, MAIntern - Software Engineer - Summer 2027 — Devens, MAPeople Operations Business Partner - Contract — Devens, MASubassemblies Technician — Devens, MASenior Manufacturing Engineer - Assembly - Second Shift — Devens, MAShift Operator- SPARC - Third Shift — Devens, MAIntern - Electrical/Electromechanical Engineer - Spring 2027 — Devens, MAIntern - Mechanical and Magnet Engineer - Spring or Summer 2027 — Devens, MAIntern - Structural Engineer - Summer 2027 — Devens, MAIntern - Fusion Fuel Systems - Spring or Summer 2027 — Devens, MAIntern - R&D Test Engineer - Spring or Summer 2027 — Devens, MA & Somerville, MASenior Power Electronics Engineer — Devens, MAProduction Technician - Second Shift — Devens, MASenior Electrical Engineer — Milpitas, CASenior Modeling and Simulation Engineer — Milpitas, CASenior Mechanical Engineer - Vacuum — Milpitas, CAStaff Process Engineer — Devens, MASenior Quality Engineer — Devens, MAMechanical Engineer — Devens, MAMachinist - Contract - Weekend Shift — Devens, MAProduction Technician Supervisor - First Shift — Devens, MASenior Open Innovation Program Manager — Devens, MAIntern - Plasma Physics - Summer 2027 — Devens, MAIntern - Composites and Insulation Materials - Summer 2027 — Somerville, MAIntern - I&C and Network Engineer - Spring or Summer 2027 — Devens, MAIntern - Systems Engineer - Summer 2027 — Devens, MAIntern - Micorwave Engineer - Summer 2027 — Devens, MAIntern - Cryogenics Engineer - Spring 2027 — Devens, MAIntern - EHS Engineer - Spring or Summer 2027 — Devens, MASenior Manufacturing Engineer - Second Shift — Devens, MAIntern - Materials Test Engineer - Summer 2027 — Devens, MAFiber Optic Specialist - First Shift — Somerville, MATreasury and Tax Analyst — Devens, MATechnical Accounting and Internal Controls Lead — Devens, MAAccounts Payable Specialist — Devens, MAMaterials Test Operator - Contract — Devens, MAStaff OT/IT Support Engineer — Milpitas, CASenior Mechanical Engineer — Milpitas, CAField Assembly Manager — Devens, MAIntern - Nuclear Engineer - Summer 2027 — Devens, MAIntern - Assembly Technical Project Manager - Spring 2027 — Devens, MAIntern - Mechanical Engineer - Summer 2027 — Milpitas, CAIntern - Controls Engineer - Summer 2027 — Milpitas, CAIntern - Mechanical Equipment Engineer - Spring 2027 — Devens, MAIntern - Health Physics - Spring or Summer 2027 — Devens, MAMolten Salt Engineer — Devens, MATechno-Economic Analyst — Devens, MASenior Controls Engineer — Devens, MASystems Administrator — Devens, MAPrincipal Mechanical Engineer - Web Handling — Milpitas, CA