Data as of 2026-06-04
vs 
Commonwealth Fusion Systems vs Heart Aerospace
Hiring comparison for two climate-tech companies. Commonwealth Fusion Systems shows the larger live hiring footprint with 109 active roles, compared with 27 at Heart Aerospace. Commonwealth Fusion Systems spans 6 tracked job locations while Heart Aerospace spans 3. Commonwealth Fusion Systems lists 2 remote-friendly roles; Heart Aerospace lists 0.
Commonwealth Fusion Systems roles
Heart Aerospace roles
Combined locations
Combined remote
Last refreshed
Side-by-side data
| Metric | Commonwealth Fusion Systems | Heart Aerospace |
|---|---|---|
| HQ | Devens, US | Gothenburg, SE |
| Website | cfs.energy | heartaerospace.com |
| ATS | lever | greenhouse |
| Open roles | 109 | 27 |
| Tracked locations | 6 | 3 |
| Remote-friendly roles | 2 | 0 |
| Onsite roles | 98 | 0 |
| Newest posting | 2026-06-03 | 2026-05-04 |
| Top role mix | Manufacturing 40, Engineering 24, Other 24 | Engineering 12, Design 6, Manufacturing 4 |
| Top locations | Devens, MA, Somerville, MA, Milpitas, CA, Devens, MA & Richmond, VA | Los Angeles, CA, Torrance, Torrance, CA |
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. Heart Aerospace is headquartered in Gothenburg, SE and uses greenhouse. Its tracked hiring mix is led by Engineering 12, Design 6, Manufacturing 4, with recent roles spread across Los Angeles, CA, Torrance, Torrance, CA.
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 Heart Aerospace has 27. Remote availability also differs, with 2 remote-friendly roles at Commonwealth Fusion Systems and 0 at Heart Aerospace. 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 Heart Aerospace roles
- Flight Systems Engineering Intern - Summer 2026 Los Angeles, CA · posted 2026-05-04
- Business Development Lead Los Angeles, CA · posted 2026-05-01
- Senior Mechanical Design Engineer, Flight Mechanisms Los Angeles, CA · posted 2026-05-01
- Finance Intern Torrance · posted 2026-05-01
- Senior Mechanical Design Engineer, Landing Gear Los Angeles, CA · posted 2026-04-28
- Battery Mechanical Design Engineer Los Angeles, CA · posted 2026-04-28
Other comparisons
- Commonwealth Fusion Systems vs PermitFlow · 139 combined open roles
- Aerones vs Commonwealth Fusion Systems · 141 combined open roles
- Antora Energy vs Commonwealth Fusion Systems · 141 combined open roles
- Commonwealth Fusion Systems vs Curri · 141 combined open roles
- Commonwealth Fusion Systems vs Pivot Bio · 131 combined open roles
FAQ
- Who is hiring more — Commonwealth Fusion Systems or Heart Aerospace?
- Commonwealth Fusion Systems has more open roles (109) than Heart Aerospace (27) as of 2026-06-04.
- Where do Commonwealth Fusion Systems and Heart Aerospace overlap geographically?
- Commonwealth Fusion Systems HQ: Devens, US; Heart Aerospace HQ: Gothenburg, SE. Commonwealth Fusion Systems hires across Devens, MA, Somerville, MA, Milpitas, CA, Devens, MA & Richmond, VA. Heart Aerospace hires across Los Angeles, CA, Torrance, Torrance, CA.
- Which is more remote-friendly?
- Commonwealth Fusion Systems lists 2 remote-friendly roles (2% of openings); Heart Aerospace lists 0 (0%). Counts are from each employer's ATS workplace_type field.
- Which roles are most active at Commonwealth Fusion Systems and Heart Aerospace?
- Commonwealth Fusion Systems: Manufacturing 40, Engineering 24, Other 24. Heart Aerospace: Engineering 12, Design 6, Manufacturing 4.
- 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.