H-1B sponsors › M › Mainspring Energy, Inc.
Does Mainspring Energy, Inc. sponsor H-1B visas?
U.S. Department of Labor filings, Oct 2025 – Jun 2026.
Roles and salaries on Mainspring Energy, Inc.'s H-1B filings
| Job title | Filings | Median wage | Middle 50% |
|---|---|---|---|
| Test Engineer | 2 | $126,131 | $108,768 – $126,131 |
| Director of C&I | 1 | $216,750 | — |
| Senior Technical Program Manager | 1 | $137,592 | — |
| Sr. Associate, Project Analytics | 1 | $110,500 | — |
| Senior Mechanical Design Engineer, Electromechanical | 1 | $152,823 | — |
| Mechanical Design Engineer - Electromechanical | 1 | $114,206 | — |
| Sr. Materials & Process Engineer | 1 | $138,258 | — |
| Sr. Enterprise Systems Software Developer | 1 | $102,190 | — |
Where Mainspring Energy, Inc.'s H-1B roles are based
- Menlo Park, CA — 13
- Rancho Mission Viejo, CA — 1
- South Lyon, MI — 1
- Mountain House, CA — 1
Other H-1B sponsors for Test Engineers
| Employer | Filings for this role | Median wage |
|---|---|---|
| Mphasis Corporation | 47 | $110,000 |
| Tesla, Inc. | 45 | $140,000 |
| L&T Technology Services Limited | 17 | $95,840 |
| Caravels, LLC | 9 | $67,000 |
| GlobalLogic Inc. | 9 | $71,427 |
| SRI Tech Solutions Inc. | 7 | $94,162 |
| FII USA Inc. | 4 | $70,000 |
| Microchip Technology Inc. | 4 | $127,234 |
All 94 sponsors for Test Engineers →
Other H-1B sponsors in Menlo Park, CA
| Employer | Filings in this city |
|---|---|
| Meta Platforms, Inc | 2,107 |
| Snowflake Inc. | 213 |
| Robinhood Markets, Inc. | 84 |
| Leland Stanford Jr. Univ/SLAC National Accelerator Lab | 39 |
| Moloco, Inc. | 23 |
| Morgan Stanley Services Group Inc. | 22 |
| GRAIL, Inc. | 12 |
| Morgan Stanley & Co., LLC | 12 |
All 145 sponsors in Menlo Park, CA →
Questions
Does Mainspring Energy, Inc. sponsor H-1B visas?
Yes. Mainspring Energy, Inc. has filed H-1B paperwork: 16 certified H-1B labor condition applications (LCAs) in Department of Labor data for Oct 2025 – Jun 2026. An LCA is filed before an H-1B petition, so it is a strong sign of sponsorship but not a guarantee.
How much does Mainspring Energy, Inc. pay H-1B workers?
Median wages stated on Mainspring Energy, Inc.'s certified LCAs range from $102,190 to $216,750 a year across its most common roles; Test Engineer had a median of $126,131.
Which roles does Mainspring Energy, Inc. sponsor?
The most frequent job titles on Mainspring Energy, Inc.'s LCAs are Test Engineer, Director of C&I, Senior Technical Program Manager.
Source: U.S. Department of Labor, Office of Foreign Labor Certification — LCA disclosure data, Oct 2025 – Jun 2026. An LCA (Labor Condition Application) is the step an employer files before an H-1B petition; a certified LCA is not a visa approval, and past filings don't guarantee an employer will sponsor you. Salaries are the wages employers stated on the LCAs. Offerbound is not affiliated with the companies listed.