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Commonwealth Fusion Systems

Designing and building commercial fusion energy power plants.

H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
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https://cfs.energy ↗ LinkedIn ↗

Company facts

Series D+-stage
Founded
2018
Employees
1,000
Headquarters
United States
CEO
Bob Mumgaard
Type
Private
Funding
Series B · $863M · 2025

About

Commonwealth Fusion Systems (CFS) is recognized as the world's largest and leading commercial fusion energy company. The company is dedicated to revolutionizing the energy sector by developing commercial fusion energy systems that promise a transition to a cleaner and more abundant energy source. CFS has embarked on a pioneering mission to establish commercial fusion as the mainstay of the energy grid. The company’s innovative approach employs high-temperature superconducting (HTS) magnets, which have been collaboratively developed with MIT. These magnets enable the construction of smaller and less expensive tokamak fusion reactors, like the SPARC device, which aims to demonstrate net energy gain from fusion science.

39 jobs
Commonwealth Fusion Systems
3 days ago

Quality Engineer - Nights & Weekend Shifts + Differential Pay

NewBe an early applicant On-siteMENA
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Assembly Iso 9001 Minitab Six Sigma VBA +1 skills
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Commonwealth Fusion Systems
3 days ago

People Operations Business Partner - Contract

NewBe an early applicant On-siteNorth AmericaContract
United States

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Accessibility Employee Relations Performance Management
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Commonwealth Fusion Systems
5 days ago

Supply Chain Operations Coordinator - First Shift - Contract

New On-siteMENAContract
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…
Commonwealth Fusion Systems
5 days ago

Senior Finance Analyst, R&D

New HybridNorth AmericaFull-timeSenior
United States

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Financial Modeling
Commonwealth Fusion Systems
2 views last week

R&D Test Engineer - Electrical Power Systems

On-siteNorth AmericaFull-time H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

The R&D Test Engineer designs, builds, and commissions high-power electrical test infrastructure for superconducting magnets. The role involves developing test plans, analyzing system performance, and ensuring safety compliance in a fast-paced fusion energy research environment.

Altium AutoCAD CAD Fea Pcb +2 skills
90K – 145K $
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Commonwealth Fusion Systems
2 views 2 weeks ago

Senior Manager, Mechanical Engineering — Vacuum Vessel

On-siteMENASenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Assembly CAD
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Commonwealth Fusion Systems
2 views 2 weeks ago

Assembly Test Implementation Engineer

On-siteMENA H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Assembly Bluebeam
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Commonwealth Fusion Systems
2 weeks ago

Senior Process Engineer

Open 15d On-siteMENAContractSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

CAD Vendor Management
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Commonwealth Fusion Systems
1 views 2 weeks ago

Senior Embedded Software Engineer

Open 15d HybridNorth AmericaFull-timeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Senior Embedded Software Engineer designing and verifying control software for fusion R&D equipment and machinery, working with real-time Linux, microcontrollers, and FPGAs using Python, C++, and Rust.

CI/CD C++ Embedded Software FPGA Git +8 skills
140K – 200K $
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Commonwealth Fusion Systems
2 views 3 weeks ago

Senior Data and Operations Software Engineer

Open 16d HybridNorth AmericaFull-timeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Builds and maintains backend services in Go and Python to collect, process, and serve fusion-energy experiment data for physicists and engineers.

API Data Ingestion Distributed Systems Docker Git +7 skills
140K – 200K $
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Commonwealth Fusion Systems
2 views 3 weeks ago

Senior Algorithms and Simulation Software Engineer

Open 16d HybridNorth AmericaFull-timeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Design and implement state estimation and control algorithms for real-time fusion energy systems, using Python and C++/Rust to build and validate mission-critical software.

CI/CD C++ Git Linux Networking +5 skills
140K – 200K $
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Commonwealth Fusion Systems
3 weeks ago

NDT Manager – Responsible Level III

Open 22d On-siteMENA H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Assembly Minitab VBA
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Commonwealth Fusion Systems
3 views 3 weeks ago

Senior Manager, Finance Systems & Data Governance

Open 20d HybridMENASenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Anaplan Automation Cloud CRM Data Governance +6 skills
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Commonwealth Fusion Systems
3 views 4 weeks ago

Supply Chain Operations Coordinator - First Shift

Open 25d On-siteMENA H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…
Commonwealth Fusion Systems
last month

Supplier Integration Manager - SPARC Assembly

Open 30d HybridNorth AmericaFull-time H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…
Commonwealth Fusion Systems
last month

Principal RF Systems Engineer

Open 16d On-siteMENAPrincipal H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Altium
Commonwealth Fusion Systems
1 views last month

Control Software Engineer

Open 32d HybridNorth AmericaFull-time H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Design and implement control software for real-time industrial systems, PLCs, and operator interfaces to manage fusion-energy R&D equipment and machinery.

CI/CD C++ Git Linux Modbus +6 skills
 Sign in to see your match
Commonwealth Fusion Systems
2 views last month

Senior Manager, Manufacturing Engineering

Open 34d On-siteNorth AmericaFull-timeSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Assembly Automation ERP Six Sigma
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Commonwealth Fusion Systems
1 views 2 months ago

Staff Quality Engineer - Advanced Metrology Integration

Open 52d On-siteMENAStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Morocco

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

Acceptance Criteria Assembly Gd T Iso 9001 Minitab +3 skills
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Commonwealth Fusion Systems
1 views 2 months ago

Security Technology Specialist

Open 53d On-siteNorth AmericaFull-time H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and…

DNS Envoy Firmware GCP Intrusion Detection +4 skills
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