Commonwealth Fusion Systems LLC has 1,153 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 13.9%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy. CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. CFS is now building SPARC, the world's first commercially relevant, net energy fusion demonstration device. SPARC will pave the way for the first fusion power plant, ARC, that will produce power on the grid. The ultimate mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. If you are interested in joining our team, check out cfs.energy/careers for more information.
As of September 2025
Commonwealth Fusion Sys
workforce metrics
Headcount
1.2k
Avg. Salary
$139.2k
Tenure
2.0yr
Growth Rate
13.9%
Hiring Rate
Attrition Rate
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