Skip to main content
← Back to companies
Commonwealth Fusion Systems logo

Commonwealth Fusion Systems

58 open42 filled
Devens, MAFounded 20183,001+ employees$2.9B raisedSeries APrivate
Last round: series b · $863M · Aug 2025(8 rounds total)
Founded by Bob Mumgaard
Backed by(57 investors)
GoogleBreakthrough Energy VenturesTemasek HoldingsTiger Global ManagementUS Department of EnergyCollaborative FundWoori Venture PartnersGlobal Brain CorporationFuture VenturesNeva SGRHOF CapitalGates Frontier FundEniEvolution VC PartnersCoatue

Commonwealth Fusion Systems (CFS) is building SPARC, the world's first net-energy fusion machine. Spun out of MIT, they are commercializing compact fusion power plants using high-temperature superconducting magnets to deliver clean, limitless energy.

Open Positions at Commonwealth Fusion Systems (58 Jobs)

FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Inventory Coordinator
Devens, MA$30 - $41/hour Full Time
Supply Chain
2 weeks ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Lead Production Technician
Devens, MA$32 - $52/hour Full Time
Technician
2 weeks ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Mechanical Engineer – Cable Magnets
Devens, MA$90K - $145K Internship
Mechanical
2 weeks ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Manufacturing Engineer - Weekend First Shift
Devens, MA$90K - $145K Full Time
Manufacturing
3 weeks ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Manager, Manufacturing Systems Engineering
Devens, MA$110K - $185K Full Time
Aerospace Engineering
3 weeks ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Quality Assurance Operations Specialist
Devens, MA$90K - $145K Full Time
Manufacturing
3 weeks ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Lead NDT Technician
Devens, MA$40 - $65/hour Full Time
Technician
0 months ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Lead Instrument and Control Valve Commissioning Technician
Devens, MA$40 - $65/hour Full Time
Space StationTechnician
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Lead, Mechanical Engineering - Assembly Equipment
Devens, MA$90K - $145K Full Time
Mechanical
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Lead, Field Mechanical Engineering - Assembly
Devens, MA$90K - $145K Full Time
Mechanical
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Intern - Cryogenics Engineer - Fall Co-op 2026
Devens, MA$23 - $35/hour Internship
Mechanical
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Instrument and Control Valve Commissioning Technician
Devens, MA$31 - $48/hour Full Time
Space StationTechnician
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Production Technician - Weekend - First Shift
Devens, MA$30 - $41/hour Full Time
Technician
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Welder - Contract
Somerville, MA$30 - $41/hour Contract
Manufacturing
1 month ago
FILLED
Commonwealth Fusion Systems logo
Commonwealth Fusion Systems
Production Technician Contractor
Somerville, MA$30 - $41/hour Contract
Technician
1 month ago
Showing 1-15 of 42 jobs
← PrevNext →

Ready to start your space career at Commonwealth Fusion Systems?

Shipping like we're funded. We're not. No affiliation.

Sequoia logo
Y Combinator logo
Founders Fund logo
a16z logo