Commonwealth Fusion Systems
cfs.energy
Actively hiring
Nuclear Engineering
Nuclear Energy
As featured in
View 15 jobs
Follow
Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
How Commonwealth Fusion Systems hires
Truth index
A 88/100
Median time to fill
53 days
Ghost roles
0%
Stale roles
50%
Reposted roles
0%
Commonwealth Fusion Systems scores A on the Alion truth index (A is best, E worst), measured over 6 open roles re-checked against its own hiring board: 0% look like ghost listings, 50% have gone stale and 0% are the same role posted again. Its roles close in a median of 53 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Commonwealth Fusion Systems is a commercial fusion energy company headquartered in Devens, Massachusetts, and founded in 2018. The firm specializes in the development of high-temperature superconducting magnets and compact tokamak devices, specifically the SPARC net-energy machine and the ARC commercial power plant. It operates through a strategic partnership with the Massachusetts Institute of Technology and focuses on scaling fusion technology to provide carbon-free, baseload power to global energy markets.
News
New physics papers lay firm foundation for CFS' ARC fusion power plant design The Tokamak Times
With the publication today of five deeply researched and peer-reviewed papers, Commonwealth Fusion Systems (CFS) and dozens of collaborating physicists have cemented our confidence in the core plasma physics assumptions at work within our upcoming ARC fus
Read more
Report
Commonwealth Fusion Systems Raises $863 Million Series B2 Round to Accelerate the Commercialization of Fusion Energy Commonwealth Fusion Systems
Read more
Report
Commonwealth Fusion Systems to Build World's First Commercial Fusion Power Plant in Virginia Commonwealth Fusion Systems
Read more
Report
Commonwealth Fusion Systems Raises $1.8 Billion in Funding to Commercialize Fusion Energy Commonwealth Fusion Systems
Read more
Report
Commonwealth Fusion Systems Raises $1.8 Billion in Funding to Commercialize Fusion Energy
/PRNewswire/ -- Commonwealth Fusion Systems (CFS) announced it has closed on more than $1.8 billion in Series B funding to commercialize fusion energy. This...
Read more
Report
Tech stack
Technologies named in job postings at Commonwealth Fusion Systems over the last 12 months, by layer, with the share of postings for each.
Technologies in use
62
Postings analysed
56
Stack modernity
74/100AI adopter
Languages
Python34%
C++13%
MATLAB9%
Rust5%
Frameworks & libraries
Ray2%
Databases
PostgreSQL2%
Cloud & platforms
Linux16%
AWS7%
GitHub4%
Kubernetes4%
AI & ML
LLM2%
Sign in to see how your skills match this stack
Sign In
Full Commonwealth Fusion Systems tech stack
62 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$173k
Typical range
$76k – $350k
Open positions
116
113
Jobs
Intern
8%
Junior
4.4%
Middle
5.3%
Senior
54%
Staff
18.6%
Principal
3.5%
Architect
6.2%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Intern | 9 | $76k | $76k |
| Junior | 5 | $96k | $80k – $120k |
| Middle | 6 | $110k | $90k – $185k |
| Senior | 61 | $185k | $82k – $225k |
| Staff | 21 | $200k | $82k – $240k |
| Principal | 4 | $248k | $225k – $300k |
| Architect | 7 | $250k | $185k – $350k |
Highest paying role
Vice President of Supply Chain
$350k
Normalized to USD per year
All salaries at Commonwealth Fusion Systems
By role, level and city, against the market · 116 jobs with pay
People
Brandon Sorbom
Executive Officer, Director
Robert Mumgaard
Executive Officer, Director
Daniel Brunner
Executive Officer
Mitchell Goldstein
Executive Officer
Katie Rae
Director
Massimiliano Pieri
Director
Alan Eustace
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
83/100
Scaling fast
Open positions
116
44 opened / 19 closed in 30 days
Median time-to-fill
51 days
faster than 27% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
37% ▼
Field & Service
17% ▲
Hardware
6% ▼
Administrative
5% ▼
Management
4% ▼
Operations
4%
Actively hiring for Industrial Engineering (+27 in 30 days)
Activity Timeline
Added Rust to stack
Oct 2026
Added VMWare to stack
Oct 2026
Added Terraform to stack
Oct 2026
Added GCP to stack
Oct 2026
Added Configuration Management to stack
Oct 2026
Added CloudFormation to stack
Oct 2026
Added Azure to stack
Oct 2026
Added Ansible to stack
Oct 2026
Added Power BI to stack
Oct 2026
Added Synthetic Data to stack
Sep 2026
Added Material Design to stack
Sep 2026
Added Outlook to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
5
Hiring now
5
Countries
1
Busiest office
Devens
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
Devens
United States
HQ
100 open roles 102 posted in 90 days 21% engineering 1000-5000 est. staff $160k Avg Salary
hires for Industrial Engineering, Field & Service, Hardware
Milpitas
United States
Plant / site
12 open roles 16 posted in 90 days 8% engineering 200-500 est. staff $176k Avg Salary
hires for Industrial Engineering, Field & Service, Hardware
Somerville
United States
Plant / site
7 open roles 11 posted in 90 days 200-500 est. staff $110k Avg Salary
hires for Field & Service, Industrial Engineering
Richmond
United States
Engineering / R&D
1 open roles 1 posted in 90 days 10-50 est. staff $145k Avg Salary
hires for Industrial Engineering
Ayer
United States
1 open roles 1 posted in 90 days 10-50 est. staff $80k Avg Salary
hires for Administrative
Jobs
$166k – $240k per year • In office • Full-Time • 7+ years exp • Milpitas
PostgreSQL
DevOps
Terraform
Ansible
Red Hat
AWS
Kubernetes
Ubuntu
Proxmox VE
Linux
Windows
TCP/IP
DNS
DHCP
Cybersecurity
Okta
Active Directory
Apply
$50k – $76k per year • In office • Internship • Bachelor's Degree • Devens
Python
Model Context Protocol
Embeddings
Function Calling
LLM
RAG
Structured Outputs
Tool Use
DevOps
Git
Docker
GitHub
Linux
Apply
$107k – $160k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Devens
Python
Microsoft Excel
Apply
$92k – $135k per year • Hybrid • Full-Time • Bachelor's Degree • Devens
Python
SQL
PowerShell
Confluence
Jira
Service Desk
Apply
$110k – $185k per year • In office • Full-Time • 8+ years exp • Bachelor's Degree • Milpitas
Apex
MuleSoft
Databases
RabbitMQ
Apache Kafka
Frontend
GraphQL
DevOps
Rest API
GCP
Azure
AWS
Analytics
Master Data Management
Apply
$90k – $145k per year • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Devens
Power BI
Microsoft Excel
Apply
$90k – $145k per year • In office • Full-Time • 5+ years exp • Bachelor's Degree • Devens
Apply
$110k – $185k per year • In office • Full-Time • 7+ years exp • Bachelor's Degree • Devens
Python
C++
Apply
$140k – $200k per year • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Devens
Python
CI/CD
Linux
Apply
$140k – $200k per year • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Devens
Python
Go
Rest API
Git
Docker
GitHub
Linux
Apply
$140k – $200k per year • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Devens
Python
Rust
C++
Human-in-the-Loop
DevOps
CI/CD
Linux
Apply
$150k – $225k per year • In office • Full-Time • 15+ years exp • Bachelor's Degree • Devens
Apply