Data as of 2026-06-04
vs 
Commonwealth Fusion Systems vs Octopus Energy
Hiring comparison for two climate-tech companies. Octopus Energy shows the larger live hiring footprint with 238 active roles, compared with 109 at Commonwealth Fusion Systems. Commonwealth Fusion Systems spans 6 tracked job locations while Octopus Energy spans 72. Commonwealth Fusion Systems lists 2 remote-friendly roles; Octopus Energy lists 7.
Commonwealth Fusion Systems roles
Octopus Energy roles
Combined locations
Combined remote
Last refreshed
Side-by-side data
| Metric | Commonwealth Fusion Systems | Octopus Energy |
|---|---|---|
| HQ | Devens, US | London, GB |
| Website | cfs.energy | octopus.energy |
| ATS | lever | lever |
| Open roles | 109 | 238 |
| Tracked locations | 6 | 72 |
| Remote-friendly roles | 2 | 7 |
| Onsite roles | 98 | 138 |
| Newest posting | 2026-06-03 | 2026-06-02 |
| Top role mix | Manufacturing 40, Engineering 24, Other 24 | Other 96, Sales 45, Engineering 29 |
| Top locations | Devens, MA, Somerville, MA, Milpitas, CA, Devens, MA & Richmond, VA | London (GB), Ascoli Piceno (IT), Berlin (DE), München (DE) |
What differs
Commonwealth Fusion Systems is headquartered in Devens, US and uses lever for its current openings. Its tracked hiring mix is led by Manufacturing 40, Engineering 24, Other 24, with recent roles spread across Devens, MA, Somerville, MA, Milpitas, CA, Devens, MA & Richmond, VA. Octopus Energy is headquartered in London, GB and uses lever. Its tracked hiring mix is led by Other 96, Sales 45, Engineering 29, with recent roles spread across London (GB), Ascoli Piceno (IT), Berlin (DE), München (DE).
This comparison is based on live public ATS data rather than employer claims. The strongest difference today is hiring volume: Commonwealth Fusion Systems has 109 active roles and Octopus Energy has 238. Remote availability also differs, with 2 remote-friendly roles at Commonwealth Fusion Systems and 7 at Octopus Energy. Use the company pages below to inspect every posting before applying through the original employer ATS.
Latest Commonwealth Fusion Systems roles
- Lead Assembly Technician - Third Shift Devens, MA · onsite · posted 2026-06-03
- Lead Assembly Technician - Second Shift Devens, MA · onsite · posted 2026-06-03
- Fiber Optic Specialist Somerville, MA · onsite · posted 2026-06-03
- Senior Manager, Manufacturing Engineering Devens, MA · onsite · posted 2026-06-02
- Production Technician Supervisor - First Shift Devens, MA · onsite · posted 2026-06-02
- Buyer Devens, MA · hybrid · posted 2026-06-01
Latest Octopus Energy roles
- Solutions Architect - 6 month contract London (GB) · hybrid · posted 2026-06-02
- Werkstudent*in Business Operations (m/w/d) München (DE) · onsite · posted 2026-06-02
- Growth Specialist Valencia (ES) · hybrid · posted 2026-06-01
- Mechanical Engineer Slough (GB) · hybrid · posted 2026-05-30
- Senior Fleet Operations Manager - Fahrzeuglogistik (m/w/d) Munich (DE) · onsite · posted 2026-05-29
- Social Media Executive London (GB) · onsite · posted 2026-05-29
Other comparisons
- Form Energy vs Octopus Energy · 340 combined open roles
- Helion Energy vs Octopus Energy · 366 combined open roles
- Octopus Energy vs Redwood Materials · 328 combined open roles
- Astranis vs Octopus Energy · 375 combined open roles
- Octopus Energy vs Oklo · 308 combined open roles
FAQ
- Who is hiring more — Commonwealth Fusion Systems or Octopus Energy?
- Octopus Energy has more open roles (238) than Commonwealth Fusion Systems (109) as of 2026-06-04.
- Where do Commonwealth Fusion Systems and Octopus Energy overlap geographically?
- Commonwealth Fusion Systems HQ: Devens, US; Octopus Energy HQ: London, GB. Commonwealth Fusion Systems hires across Devens, MA, Somerville, MA, Milpitas, CA, Devens, MA & Richmond, VA. Octopus Energy hires across London (GB), Ascoli Piceno (IT), Berlin (DE), München (DE).
- Which is more remote-friendly?
- Commonwealth Fusion Systems lists 2 remote-friendly roles (2% of openings); Octopus Energy lists 7 (3%). Counts are from each employer's ATS workplace_type field.
- Which roles are most active at Commonwealth Fusion Systems and Octopus Energy?
- Commonwealth Fusion Systems: Manufacturing 40, Engineering 24, Other 24. Octopus Energy: Other 96, Sales 45, Engineering 29.
- How fresh is this comparison?
- Refreshed 2026-06-04. Jobs are pulled from each company's public ATS API (Greenhouse / Lever / Ashby / Workable / SmartRecruiters / Recruitee) on a daily cron. Climate Job Radar is not affiliated with either company.
Related
Source: Job listings from each company's public ATS API (Greenhouse / Lever / Ashby / Workable / SmartRecruiters / Recruitee), refreshed daily. Last refreshed 2026-06-04.