Mainspring Energy jobs

201–500 employees

Company profile

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Mainspring Energy

Mechanical Engineer - Thermal / Fluids Hardware Design

Menlo Park, CA (On-site)

$119K – $165KYesterday

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

End of Line Technician

Menlo Park, CA (On-site)

$28 – $37/hr6d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Staff Commodity Manager, Electrical

United States (Remote)

$162K – $191K8d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Field Service Technician (Long Island, NY)

Long Island, NY (On-site)

$27 – $36/hr12d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Field Service Technician (Worcester, MA)

Worcester, MA (On-site)

$36 – $52/hr12d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Executive Assistant

Menlo Park, CA (On-site)

$128K – $150K15d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Controls Engineer - Electrical Systems Control

Menlo Park, CA (Hybrid)

$119K – $140K15d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Sustaining Controls Engineer

Menlo Park, CA (On-site)

$139K – $163K15d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Staff Controls Software Engineer

Menlo Park, CA (On-site)

$189K – $223K15d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Software Deployment Operations Manager

Menlo Park, CA (On-site)

$115K – $135K25d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Vice President, Electrical Engineering

Menlo Park, CA (On-site)

$285K – $335K27d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Project Coordinator

United States (Remote)

$113K – $133K27d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Staff Power Systems Site Integration Engineer

United States (Remote)

$135K – $159K27d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Staff Project Engineer - Grid Scale

United States (Remote)

$135K – $159K27d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Project Manager - Grid Scale

United States (Remote)

$135K – $159K27d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Product Integration Engineer (CAD)

Menlo Park, CA (On-site)

$130K – $153K28d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Product Performance Engineer

Menlo Park, CA (On-site)

$130K – $153K31d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Staff Product Performance Engineer

Menlo Park, CA (On-site)

$156K – $184K31d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Senior Staff Software Test & Automation Engineer

Menlo Park, CA (On-site)

$160K – $190K32d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026

Mainspring Energy

Manager, CAD & Design Systems

Menlo Park, CA (On-site)

$180K – $210K32d ago

H-1B sponsorship: Likely58 H-1B filings · last 2 yrs
Green card: Some historyLatest PERM: FY2026