Commonwealth Fusion Systems
As of 3 November 2026, Commonwealth Fusion Systems has 139 open roles (60 new in 30 days), its engineering (non-software) team is hiring most, and its postings name Python, Jira and Ansys as the tools the team works in.
As of 3 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- Devens, Massachusetts, United States
- Employees
- 501-1000 employees (linkedin)
- Sells to
- energy sector, research institutions
- Certifications on site
- Site languages
- EN
- Career system
- Lever
Commonwealth Fusion Systems in one screen
Read from cfs.energy: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Commonwealth Fusion Systems is a commercial fusion energy company that develops tokamak-based fusion systems using high-temperature superconducting magnets. It manufactures these magnets and builds the SPARC tokamak, which is intended to pave the way for the ARC fusion power plant. The company works to design, build, and scale fusion power plants to deliver clean, cost-competitive energy.
Named on the site: energy sector, research institutions.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 581 scored.
What Commonwealth Fusion Systems says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
• Write a user-friendly Python client library• Maintain detailed project schedules and ensure project data in Jira and other project management tools remains accurate and aligned with actual field execution• Perform hand calculations and system level analyses demonstrating sufficient margin for fluid system requirements; build and run Ansys structural and thermal simulations on components and assemblies• Maintain inventory accuracy by leading pick/pack operations, cycle counts, physical inventories, and reconciliations Oversee transaction logging within the ERP system (Odoo) and investigate/correct inventory discrepancies• Schematic Design & Drafting: Create, modify, and approve comprehensive electrical schematic packages (one-lines, multi-line, I/O diagrams, panel layouts, cable schedules) in AutoCAD Electrical per NFPA 79, NEC, and UL 508A standards• Develop control software across multiple platforms, including PLCs and real-time Linux• Controls & Software Support: Assist controls engineers in configuring EtherCAT/industrial fieldbuses, verifying drive parameters, and debugging basic PLC code (Structured Text/TwinCAT) or HMI screens during tool bring-up• Set up GitHub and AI tool access• Equity administration: Support Carta and cap-table data, reconciliations, documentation, and employee or investor requests• Write clean, maintainable, and efficient code in Golang• Develop thermohydraulics analysis calculations, tools, models, and reports including Excel calculations, 1-D thermohydraulic models (e.g.• Proficient in CAD software (NX, SolidWorks, AutoCAD, etc.) and manufacturing ERP systems• Develop CAD design and software workflows that convert parametric models from NX CAD geometry into formats that can be used by engineering teams and control systems within analysis algorithmsEcoSim), computational fluid dynamics models (e,g, COMSOL)Vendors whose code loads on cfs.energy or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
139 open roles, 140 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring engineering (non-software) in United States →
| open · new 30 d | |
|---|---|
| Engineering (non-software) | 72 · 30 |
| Manufacturing and production | 10 · 4 |
| Finance & accounting | 6 · 3 |
| Product, program & project management | 6 · 3 |
| Logistics warehouse and transport | 5 · 0 |
| Research and science | 5 · 2 |
| Quality, safety & environment | 4 · 3 |
| IT operations & business systems | 3 · 3 |
| Data & AI | 2 · 1 |
| Skilled trades and field service | 2 · 2 |
| Software engineering | 2 · 1 |
| Administration & office | 1 · 0 |
| Legal, compliance & risk | 1 · 0 |
| Procurement and purchasing | 1 · 0 |
| Human resources | 0 · 0 |
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add Commonwealth Fusion Systems to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like Commonwealth Fusion Systems
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 581 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Commonwealth Fusion Systems (Devens, United States, 501-1000 employees) has 139 open roles, 60 new in 30 days, and names 14 tools in its postings. (Breaknorm, 3 November 2026, https://breaknorm.co/company/cfs.energy)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from cfs.energy: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's Lever career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
Commonwealth Fusion Systems: questions
Does Commonwealth Fusion Systems use Python?
Yes, by the company's own words: 29 postings name it, first seen 2026-03-05, in the engineering (non-software) team.
Is Commonwealth Fusion Systems hiring?
139 open roles as of 3 November 2026, 60 opened in the last 30 days and 18 closed. The largest team hiring is engineering (non-software).
Where does this profile come from?
From cfs.energy itself: we crawled it on 2026-10-29, built the profile on 2026-10-31, and read its career site (Lever) hourly since. Headcount is from LinkedIn.
Who should I write to at Commonwealth Fusion Systems?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 3 public role addresses from the site are there too.
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The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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