Commonwealth Fusion Systems (CFS)
Fusion Machine Developer
Founding Year
2017
Location
Cambridge, Massachusetts, USA
Company Founders
Martin Greenwald
Bob Mumgaard
Zach Hartwig
Dan Brunner
Brandon Sorbom
Dennis Whyte
Leadership
Bob Mumgaard, CEO
Dan Brunner, CTO
Brandon Sorbom, Chief Scientific Officer
Description
Commonwealth Fusion Systems (CFS) is developing fusion energy systems which utilize high temperature superconducting (HTS) magnets. CFS is currently building SPARC, a tokamak with the stated goal of achieving scientific breakeven. After SPARC, CFS plans to develop and build ARC, an electricity producing fusion pilot plant.
Job Listings
| Job title | Location |
|---|---|
Manufacturing Engineer - NPI  | Devens, Massachusetts, United States |
| Operations Specialist | Milpitas, California, United States |
| Production Program Manager | Somerville, Massachusetts, United States |
| EHS Specialist | Devens, Massachusetts, United States |
| Vice President of Environment, Health, Safety, and Security | Devens, Massachusetts, United States |
| IT Infrastructure Engineer | Milpitas, California, United States |
| Network and Infrastructure Engineer | Devens, Massachusetts, United States |
| Senior Cybersecurity Engineer | Devens, Massachusetts, United States |
| Senior Systems Administrator | Milpitas, California, United States |
| Vice President of Digital Technology | Devens, Massachusetts, United States |
| Facilities and Maintenance Electrician | Devens, Massachusetts, United States |
| Facilities and Maintenance Electrician - Second or Third Shift | Devens, Massachusetts, United States |
| Facilities and Maintenance Technician - Second or Third Shift | Devens, Massachusetts, United States |
| Controls Engineer | Devens, Massachusetts, United States |
| Electrical Cryogenic Test Engineer (Weekends Fri, Sat, Sun) | Devens, Massachusetts, United States |
| Equipment Architecture Senior Manager | Devens, Massachusetts, United States |
| Fiber Optic Specialist - Second Shift | Somerville, Massachusetts, United States |
| Lab Technician | Devens, Massachusetts, United States |
| Lab Technician - Second Shift | Devens, Massachusetts, United States |
| Lead Lab Technician | Devens, Massachusetts, United States |
| Lead Lab Technician - Second Shift | Devens, Massachusetts, United States |
| Lead Manufacturing Engineer | Devens, Massachusetts, United States |
| Lead Production Technician - Second Shift | Devens, Massachusetts, United States |
| Machinist | Devens, Massachusetts, United States |
| Machinist - Second Shift | Devens, Massachusetts, United States |
| Manufacturing Engineer - NPI - Weekend Shift | Devens, Massachusetts, United States |
| Manufacturing Specialist | Somerville, Massachusetts, United States |
| Manufacturing Specialist - Weekend - First Shift | Devens, Massachusetts, United States |
| Manufacturing Specialist - Second Shift | Devens, Massachusetts, United States |
| Manufacturing Specialist - Second Shift | Somerville, Massachusetts, United States |
| Manufacturing Specialist - Weekend - Second Shift | Devens, Massachusetts, United States |
| Production Technician - Weekend - First Shift | Devens, Massachusetts, United States |
| Production Technician - First Shift | Devens, Massachusetts, United States |
| Production Technician - First Shift | Somerville, Massachusetts, United States |
| Production Technician - Second Shift | Devens, Massachusetts, United States |
| Production Technician - Second Shift | Somerville, Massachusetts, United States |
| Production Technician - Third Shift | Devens, Massachusetts, United States |
| Production Technician - Weekend - Second Shift | Devens, Massachusetts, United States |
| Production Technician Supervisor | Somerville, Massachusetts, United States |
| Production Technician Supervisor - Second or Third Shift | Devens, Massachusetts, United States |
| Production Technician Supervisor - Weekend - Second Shift | Devens, Massachusetts, United States |
| Robotic Welding Operator | Devens, Massachusetts, United States |
| Robotic Welding Operator - Weekend - First Shift | Devens, Massachusetts, United States |
| Robotic Welding Operator - Second Shift | Devens, Massachusetts, United States |
| Robotic Welding Operator - Weekend - Second Shift | Devens, Massachusetts, United States |
| Vice President of Manufacturing | Devens, Massachusetts, United States |
| Welder - First Shift | Devens, Massachusetts, United States |
| Welder - Second Shift | Devens, Massachusetts, United States |
| Welder - Third Shift | Devens, Massachusetts, United States |
| Welder - Weekend - First Shift | Devens, Massachusetts, United States |
| Welder - Weekend - Second Shift | Devens, Massachusetts, United States |
| Senior Technical Project Manager | Devens, Massachusetts, United States |
| Eddy Current Technician Level II - First Shift | Devens, Massachusetts, United States |
| Eddy Current Technician Level II - Second Shift | Devens, Massachusetts, United States |
| Eddy Current Technician Level II - Third Shift | Devens, Massachusetts, United States |
| Eddy Current Technician Level II - Weekend - First Shift | Devens, Massachusetts, United States |
| Eddy Current Technician Level II - Weekend - Second Shift | Devens, Massachusetts, United States |
| Metrology Engineer | Devens, Massachusetts, United States |
| NDT II Technician - Second Shift | Devens, Massachusetts, United States |
| NDT II Technician - Weekend, First Shift | Devens, Massachusetts, United States |
| Quality Engineer | Somerville, Massachusetts, United States |
| Site Manager - Construction QA/QC | Devens, Massachusetts, United States |
| Category Manager, Facilities | Devens, Massachusetts, United States |
| Chemical Engineer | Devens, Massachusetts, United States |
| Inventory Coordinator - Weekend - First Shift | Devens, Massachusetts, United States |
| Inventory Lead - Second Shift | Devens, Massachusetts, United States |
| Inventory Supervisor | Devens, Massachusetts, United States |
| Logistics Coordinator | Devens, Massachusetts, United States |
| Logistics Lead - Second Shift | Devens, Massachusetts, United States |
| Material Coordinator - Weekend Shift | Devens, Massachusetts, United States |
| Operations Planner | Devens, Massachusetts, United States |
| Procurement Engineer | Devens, Massachusetts, United States |
| Senior Buyer - Indirect | Devens, Massachusetts, United States |
| Senior Operations Planner | Devens, Massachusetts, United States |
| Senior Supplier Development Engineer | Devens, Massachusetts, United States |
| Welding Engineer | Devens, Massachusetts, United States |
| Control Software Engineer - Plant | Devens, Massachusetts, United States |
| Senior Structural Mechanical Engineer | Devens, Massachusetts, United States |
| Structural Mechanical Engineer | Devens, Massachusetts, United States |
| Director of Systems Engineering | Devens, Massachusetts, United States |
| Staff Accountant | Devens, Massachusetts, United States |
| Financial Analyst | Devens, Massachusetts, United States |
| Manager, Benefits | Devens, Massachusetts, United States |
| Principal Chemical Engineer | Devens, Massachusetts, United States |
| Process Engineer | Devens, Massachusetts, United States |
| Senior Chemical Engineer | Devens, Massachusetts, United States |
| Senior Molten Salt Engineer | Devens, Massachusetts, United States |
| Senior Process Engineer | Devens, Massachusetts, United States |
| Senior Salt Operations Engineer | Devens, Massachusetts, United States |
| Materials Engineer - Platings and Coatings | Devens, Massachusetts, United States |
| Materials Test Engineer | Devens, Massachusetts, United States |
| Materials Test Engineer II | Devens, Massachusetts, United States |
| Materials Test Operator - Second Shift | Devens, Massachusetts, United States |
| R&D HTS Test Engineer | Devens, Massachusetts, United States |
| Head of Plasma Physics | Devens, Massachusetts, United States |
| Principal R&D Instrumentation and Control Engineer | Devens, Massachusetts, United States |
| R&D Fluids Engineer | Devens, Massachusetts, United States |
| R&D Instrumentation and Control Engineer | Devens, Massachusetts, United States |
| R&D Mechanical Test Engineer | Devens, Massachusetts, United States |
| R&D Production Test Operator | Devens, Massachusetts, United States |
| R&D Technical Program Manager | Devens, Massachusetts, United States |
| R&D Technician | Devens, Massachusetts, United States |
| R&D Test Engineer | Devens, Massachusetts, United States |
| R&D Test Engineer - Operations | Devens, Massachusetts, United States |
| R&D Test Engineer - Power Systems | Devens, Massachusetts, United States |
| Radiation Optics Engineer | Somerville, Massachusetts, United States |
| Electrical Commissioning Field Lead | Devens, Massachusetts, United States |
| Principal Commissioning Specialist | Devens, Massachusetts, United States |
| Chief Engineer - Plant Design and Engineering | Devens, Massachusetts, United States |
| Electronics Engineer | Devens, Massachusetts, United States |
| Principal Engineer – Battery Storage System | Devens, Massachusetts, United States |
| Senior Electrical Engineer - Battery Storage Systems | Devens, Massachusetts, United States |
| Senior Process Instrumentation and Control Engineer | Devens, Massachusetts, United States |
| Senior Manager, Fusion Gas Facility Operations | Devens, Massachusetts, United States |
| Senior Manager, Fusion Gas Recovery Test Team | Devens, Massachusetts, United States |
| Senior Technical Project Manager | Devens, Massachusetts, United States |
| Lead Lab Assembly Technician | Devens, Massachusetts, United States |
| Manufacturing Process Manager - Pre-Assembly | Devens, Massachusetts, United States |
| Manufacturing Process Senior Manager - Assembly | Devens, Massachusetts, United States |
| Senior Field Mechanical Engineer - Assembly | Devens, Massachusetts, United States |
| Senior Mechanical Engineer - Assembly | Devens, Massachusetts, United States |
| Mechanical Engineer - TF Winding Pack | Devens, Massachusetts, United States |
| Mechanical Engineering Manager | Devens, Massachusetts, United States |
| Senior Mechanical Engineer - HTS Magnet Feeder System | Somerville, Massachusetts, United States |
| Scientist – Wall Conditioning | Devens, Massachusetts, United States |
| Mechanical Engineering Manager - Port Plugs | Devens, Massachusetts, United States |
| Senior Instrumentation Engineer - Instrumentation Integration | Devens, Massachusetts, United States |
| Senior Mechanical Engineer - Plasma Facing Components | Devens, Massachusetts, United States |
| Senior Mechanical Engineer – Antennas | Devens, Massachusetts, United States |
| Senior Mechanical Engineer – In-Vessel Coils | Devens, Massachusetts, United States |
| Senior RF Antenna Engineer | Devens, Massachusetts, United States |
| Controls Software Engineer | Milpitas, California, United States |
| Senior Mechanical Engineer | Milpitas, California, United States |
| Senior Technical Project Manager | Milpitas, California, United States |
| Intern - Electrical Engineer - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Electromagnetic Engineer - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Environmental, Health, Safety and Security - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Health Physics/Radiation Protection - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Marketing - Content, Social Media & Video - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Marketing - External & Internal Communications - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Physical Security Operations - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Public Policy - Summer 2025 | Devens, Massachusetts, United States |
| Intern - Supply Chain Summer 2025 | Devens, Massachusetts, United States |
Funding received (investment)
Funding received (nondilutive)