Commonwealth Fusion Systems Jobs & Careers

129 open roles · Company profile

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Intern - AI & Infrastructure Engineer - Spring 2027
Devens, MA · Internship
Intern - Nuclear Engineer - Summer 2027
Devens, MA · Internship
Intern - Assembly Technical Project Manager - Spring 2027
Devens, MA · Internship
Intern - Mechanical Engineer - Summer 2027
Milpitas, CA · Internship
Intern - Controls Engineer - Summer 2027
Milpitas, CA · Internship
Intern - Mechanical Equipment Engineer - Spring 2027
Devens, MA · Internship
Intern - Health Physics - Spring or Summer 2027
Devens, MA · Internship
Molten Salt Engineer
R&D · Devens, MA · Full-time
Techno-Economic Analyst
Business · Devens, MA · Full-time
Senior Controls Engineer
Corporate Operations · Devens, MA · Full-time
Systems Administrator
Corporate Operations · Devens, MA · Full-time
Principal Mechanical Engineer - Web Handling
Superconductor · Milpitas, CA · Full-time
Senior Computational Materials Scientist
R&D · Devens, MA · Full-time
Environmental, Health & Safety Technician
Corporate Operations · Devens, MA · Full-time
Intern - Nuclear/Systems Engineer - Summer 2027
Devens, MA · Internship
Intern - Industrial Engineer - Spring or Summer 2027
Devens, MA · Internship
Intern - Manufacturing Engineer - Spring or Summer 2027
Devens, MA · Internship
Assembly Test Implementation Engineer
SPARC Tokamak Team · Devens, MA · Full-time
Equipment Technician
Superconductor · Milpitas, CA · Full-time
Senior Enterprise Solution Architect
Corporate Operations · Milpitas, CA · Full-time
Controls Engineer
Corporate Operations · Devens, MA · Full-time
Production Technician Supervisor - Second Shift
Corporate Operations · Devens, MA · Full-time
OT/IT Support Engineer
Corporate Operations · Milpitas, CA · Full-time
Senior Technical Project Manager - Design/Assembly
Corporate Operations · Devens, MA · Full-time
Manufacturing Engineer - Contract
Corporate Operations · Somerville, MA · Contract
Welder - Differential Pay for Weekend & Night Shifts
Corporate Operations · Devens, MA · Full-time
Production Technician - Second Shift
Corporate Operations · Somerville, MA · Full-time
Staff Supply Chain Engineer - Molten Salts
Corporate Operations · Remote · Devens, MA · Full-time
Senior Equipment Engineering Project Manager
Corporate Operations · Devens, MA · Full-time
Power Business Research and Analytics Manager
Business · Devens, MA · Full-time
Staff Mechanical Engineer
Superconductor · Milpitas, CA · Full-time
Subassemblies Specialist
SPARC Tokamak Team · Devens, MA · Full-time
Senior Manufacturing Engineer - First Shift
Corporate Operations · Devens, MA · Full-time
Senior Manufacturing Engineer - Assembly
SPARC Tokamak Team · Devens, MA · Full-time
Lead Production Technician - First Shift
Corporate Operations · Somerville, MA · Full-time
Project Manager, Project Development
Business · Devens, MA · Full-time
Supply Chain Operations Coordinator - First Shift
Corporate Operations · Devens, MA · Full-time
Head of Origination
Business · Remote · Devens, MA · Full-time
Staff Fuel Cycle & Blanket Test Engineer
R&D · Devens, MA · Full-time
Production Technician - Third Shift
Corporate Operations · Somerville, MA · Full-time
CSA Project Engineer
Engineering · Devens, MA & Richmond, VA · Full-time
Supply Chain Coordinator - Contract
Corporate Operations · Ayer, MA · Contract
R&D Technician - First Shift
R&D · Devens, MA · Full-time
Staff Materials Engineer - Metallurgical Engineering
R&D · Devens, MA · Full-time
Staff Computational Materials Scientist
R&D · Devens, MA · Full-time
Senior Field Mechanical Engineer - Assembly - Second Shift
SPARC Tokamak Team · Devens, MA · Full-time
Senior R&D Technical Project Manager
R&D · Devens, MA · Full-time
Mechanical Engineer, RF Systems
Engineering · Devens, MA · Full-time
Senior Mechanical Engineer, Process Equipment
R&D · Devens, MA · Full-time
RF Electronics Engineer
Engineering · Devens, MA · Full-time
Staff Supplier Integration Manager - ARC
Corporate Operations · Devens, MA · Full-time
Field Assembly Manager - Third Shift
SPARC Tokamak Team · Devens, MA · Full-time
Senior Test Planning Engineer - Assembly
SPARC Tokamak Team · Devens, MA · Full-time
Operations Coordinator - Assembly
SPARC Tokamak Team · Devens, MA · Full-time
Manager, Process Engineering - Assembly
SPARC Tokamak Team · Devens, MA · Full-time
Staff Mechanical Engineer - Remote Maintenance
R&D · Devens, MA · Full-time
Senior Manager, Accounting Operations
Finance · Devens, MA · Full-time
Assistant General Counsel – Commercial
Legal · Devens, MA · Full-time
Senior Mechanical Engineer - Remote Maintenance
R&D · Devens, MA · Full-time
Staff Scientist - Plasma Material Interaction
R&D · Devens, MA · Full-time
Production Technician - First Shift
Corporate Operations · Somerville, MA · Full-time
Senior Process Engineer
Engineering · Devens, MA · Full-time
Fiber Optic Specialist - First Shift
Corporate Operations · Devens, MA · Full-time
Electrical Engineer
Engineering · Devens, MA · Full-time
Senior Technical Project Manager - Magnet Production
Corporate Operations · Devens, MA · Full-time
Executive Operations Partner
People Operations · Devens, MA · Full-time
Director, Corporate FP&A
Finance · Devens, MA · Full-time
R&D Production Test Engineer
R&D · Devens, MA · Full-time
Senior RF Test Engineer
Engineering · Devens, MA · Full-time
Senior CAD Application Engineer
Engineering · Remote · Devens, MA · Full-time
Manufacturing Engineer - First Shift
Corporate Operations · Devens, MA · Full-time
Supply Chain Operations Supervisor
Corporate Operations · Devens, MA · Full-time
R&D Technician - Second Shift
R&D · Devens, MA · Full-time
Staff Electrical Engineer
Superconductor · Milpitas, CA · Full-time
Senior R&D Test Engineer - Fluid Systems
R&D · Devens, MA · Full-time
Quality Engineer - Nights & Weekend Shifts + Differential Pay
Corporate Operations · Devens, MA · Full-time
People Operations Business Partner - Contract
People Operations · Devens, MA · Contract
Lead Assembly Technician - Third Shfit
SPARC Tokamak Team · Devens, MA · Full-time
Fiber Optic Specialist - Weekend - Second Shift (Fri, Sat, Sun)
Corporate Operations · Devens, MA · Full-time
Fiber Optic Specialist - Third Shift
Corporate Operations · Devens, MA · Full-time
Molten Salt Engineer
R&D · Devens, MA · Full-time
Director, Supply Chain
Corporate Operations · Devens, MA · Full-time
Lead Production Technician - Second Shift
Corporate Operations · Devens, MA · Full-time
Senior Systems Engineer
Engineering · Devens, MA · Full-time
Lead Production Technician - Third Shift
Corporate Operations · Devens, MA · Full-time
Supply Chain Operations Coordinator - First Shift - Contract
Corporate Operations · Devens, MA · Contract
Senior Finance Analyst, R&D
Finance · Devens, MA · Full-time
Senior Structural Mechanical Engineer
Engineering · Devens, MA · Full-time
Senior Manufacturing Engineer - Third Shift
Corporate Operations · Devens, MA · Full-time
Equipment Specialist
Corporate Operations · Devens, MA · Full-time
Director, Manufacturing, Operations & Supply Chain Finance
Finance · Devens, MA · Full-time
Environmental, Health & Safety Technician - Weekend First Shift (Fri, Sat, Sun)
Corporate Operations · Devens, MA · Full-time
Manufacturing Engineer - Third Shift
Corporate Operations · Somerville, MA · Full-time
Lead Technician, Assembly Testing
SPARC Tokamak Team · Devens, MA · Full-time
Vice President, Capital Markets & Investor Relations
Finance · Devens, MA · Full-time
Senior Manager, Mechanical Engineering — Vacuum Vessel
Engineering · Devens, MA · Full-time
Mechanical Engineer – Cable Magnets
Engineering · Devens, MA · Full-time
Senior Embedded Software Engineer
Engineering · Devens, MA · Full-time
Senior Data and Operations Software Engineer
Engineering · Devens, MA · Full-time
Senior Algorithms and Simulation Software Engineer
Engineering · Devens, MA · Full-time
Staff Mechanical Engineer - Vacuum
Superconductor · Milpitas, CA · Full-time
Principal Scientist - Radio Frequency Plasma Heating
R&D · Devens, MA · Full-time
Senior Mechanical Engineer – Cable Magnets
Engineering · Devens, MA · Full-time
Senior Mechanical Engineer - Assembly Equipment
SPARC Tokamak Team · Devens, MA · Full-time
NDT Manager – Responsible Level III
Corporate Operations · Devens, MA · Full-time
Research Technician
Superconductor · Milpitas, CA · Full-time
Staff Modeling and Simulation Engineer
Superconductor · Milpitas, CA · Full-time
Principal RF Systems Engineer
Engineering · Devens, MA · Full-time
Metrology Engineer
Corporate Operations · Devens, MA · Full-time
Control Software Engineer
Engineering · Devens, MA · Full-time
Facilities and Maintenance Electrician
Corporate Operations · Devens, MA · Full-time
Staff Multiphysics Modeler
R&D · Devens, MA · Full-time
Staff Quality Engineer - Advanced Metrology Integration
Corporate Operations · Devens, MA · Full-time
Manufacturing Engineer - Second Shift
Corporate Operations · Somerville, MA · Full-time
Lead Piping Engineer
Engineering · Remote · Devens, MA · Full-time
Senior R&D Electromagnetic Analysis Engineer
R&D · Devens, MA · Full-time
R&D Test Engineer - Fluid Systems
R&D · Devens, MA · Full-time
Senior Control Software Engineer
Engineering · Devens, MA · Full-time
Vice President of Supply Chain
Corporate Operations · Devens, MA · Full-time
Senior Metrology Engineer
Superconductor · Milpitas, CA · Full-time
Lead Assembly Technician
SPARC Tokamak Team · Devens, MA · Full-time
Senior Power Electronics Engineer
Engineering · Devens, MA · Full-time
Lead Assembly Technician - Second Shift
SPARC Tokamak Team · Devens, MA · Full-time
Field Mechanical Engineer - Assembly
SPARC Tokamak Team · Devens, MA · Full-time
Senior Manufacturing Engineer - Weekend Second Shift (Fri, Sat, Sun)
Corporate Operations · Devens, MA · Full-time
Senior Manufacturing Engineer - Weekend First Shift (Fri, Sat, Sun)
Corporate Operations · Devens, MA · Full-time
Director, Project Development
Business · Devens, MA & Richmond, VA · Full-time
Senior Field Mechanical Engineer - Assembly
SPARC Tokamak Team · Devens, MA · Full-time
Diagnostician
SPARC Tokamak Team · Devens, MA · Full-time