All companies

Mainspring Energy Visa Sponsorship

Menlo Park, CA

H-1B sponsor score55 Active
H-1B filings (3 yrs)7416 since Oct 2025
Green cards (3 yrs)132 in FY2026
Median salary$121k72% entry level
—applications submitted—interviewsfor our users this week
Want to work at Mainspring Energy? We find your matches and apply.
ApplyBolt finds jobs that match you, tailors your resume to each role, and applies on company sites. If you need sponsorship, we skip postings that say they won't sponsor.
Find & apply for me

Roles they sponsor for H-1B

Most H-1B salaries here fall between $104k and $138k.

Wage levels and the lottery

Level I39%1 entry
Level II33%2 entries
Level III8%3 entries
Level IV20%4 entries

Since the March 2026 registration, the H-1B lottery gives each registration 1 to 4 entries by wage level: Level I gets 1, Level IV gets 4. Most of Mainspring Energy's filings are Level I.

Green cards

FY20243
FY20258
FY20262

Certified PERM applications, the employer's first step toward a worker's green card.

Visa the worker held when they applied (FY2024 cases, the last year DOL published it)

H-1B2
TN1
  • Mechanical Design Engineer2 green cards$125k median
  • Manufacturing Quality Engineer1 green cards$89k median
  • Sr. Technical Program Manager1 green cards$132k median
  • Mechanical Engineer1 green cards$160k median
  • Associate Mechanical Engineer1 green cards$95k median
  • Site Reliability Engineer1 green cards$140k median
  • Senior CFD Modeling Engineer1 green cards$145k median
  • Supplier Quality Engineer1 green cards$134k median

Other work visas

E-3 · Australian citizens

1 filings in 1 year

  • Sr. Manager, Operations FP&A1

H-1B filings by year

FY202420
FY202538
FY2026 so far16

FY2026 runs Oct 2025 to Sep 2026; DOL data is through Jun 2026.

Where they file

CA64
MI3
OH3
TX2
IL1

Why it scores 55

  • 50% of filings are for new hires, not renewals
  • 74 filings since FY2024
  • Filings down 52% vs the same months last year
  • Filed every year since FY2024

Similar sponsors

Source: Department of Labor LCA and PERM disclosure data through Jun 2026 and the USCIS H-1B Employer Data Hub. A certified LCA is filed before an H-1B petition and a certified PERM before a green card petition. Neither is an approved visa or a current opening. Not legal advice: rules change, so confirm with your DSO, your employer or an immigration attorney.