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Mainspring Energy Inc.: green card (PERM) sponsorship
Mainspring Energy Inc. filed 10 PERM labor certification applications decided in fiscal years 2024–2026; certified: 10. Median offered salary $136,766; median time from filing to certification: 496 days.
PERM applications10
Certified10
Median offered salary$136,766
Median days to certification496
Already working for the employer100%
Employees (as filed)480
In business since2010
Employer addressMenlo Park, CA
H-1B salaries at Mainspring Energy Inc. →
Job titles
| Job title | PERM applications | Median salary |
|---|---|---|
| Sr. Technical Program Manager | 1 | $132,000 |
| Mechanical Engineer | 1 | $160,077 |
| Associate Mechanical Engineer | 1 | $95,016 |
| Site Reliability Engineer | 1 | $140,016 |
| Senior CFD Modeling Engineer | 1 | $145,008 |
| Supplier Quality Engineer | 1 | $133,515 |
| Staff Mechanical Engineer | 1 | $160,077 |
| VP and General Manager, C&I | 1 | $252,699 |
| Manufacturing Quality Engineer | 1 | $88,629 |
| Mechanical Design Engineer | 1 | $125,000 |
Work sites
Occupations
- Mechanical Engineers5
- Industrial Engineers2
- Project Management Specialists1
- Computer Network Architects1
- Marketing Managers1
Latest decisions
| Job title | Base salary | Location | Submitted | Decided | Status | Days |
|---|---|---|---|---|---|---|
| Mechanical Design Engineer | $125,000–$134,400 | Menlo Park, CA | Dec 13, 2024 | Apr 16, 2026 | Certified | 489 |
| Manufacturing Quality Engineer | $88,629–$102,300 | Menlo Park, CA | Aug 5, 2024 | Jan 13, 2026 | Certified | 526 |
| VP and General Manager, C&I | $252,699–$260,000 | Menlo Park, CA | May 17, 2024 | Aug 25, 2025 | Certified | 465 |
| Staff Mechanical Engineer | $160,077–$170,000 | Menlo Park, CA | Apr 12, 2024 | Jul 30, 2025 | Certified | 474 |
| Supplier Quality Engineer | $133,515–$150,000 | Menlo Park, CA | Apr 9, 2024 | Jul 28, 2025 | Certified | 475 |
| Senior CFD Modeling Engineer | $145,008–$160,000 | Menlo Park, CA | Feb 14, 2024 | Jun 24, 2025 | Certified | 496 |
| Site Reliability Engineer | $140,016–$155,000 | Menlo Park, CA | Feb 14, 2024 | Jun 24, 2025 | Certified | 496 |
| Associate Mechanical Engineer | $95,016–$100,000 | Menlo Park, CA | Feb 13, 2024 | Jun 24, 2025 | Certified | 497 |
| Mechanical Engineer | $160,077–$180,000 | Menlo Park, CA | Feb 9, 2024 | Jun 24, 2025 | Certified | 501 |
| Sr. Technical Program Manager | $132,000–$157,500 | Menlo Park, CA | Feb 6, 2024 | Jun 16, 2025 | Certified | 496 |
Salaries are the lower end of the wage offered on each application, converted to a yearly amount; statistics use certified full-time applications. PERM certification is one step toward a green card; USCIS decides the petition. Not legal advice. Source: U.S. Department of Labor, OFLC PERM Disclosure Data, fiscal years 2024–2026 (latest decision Jun 30, 2026).