Senior Electrical Engineer, Inverter & Grid Integration

Job overview

The Senior Electrical Engineer, Inverter & Grid Integration role is onsite at Mainspring Energy’s Menlo Park, CA headquarters. The listed salary range is $147,000–$173,000 per year, adjusted for local market conditions and experience. Mainspring develops fuel-flexible, low-emissions local power solutions. The engineer owns system-level integration and performance of high-power conversion hardware between the Linear Generator and customer grids. Through inverter selection, configuration, testing, and field analysis, the role supports reliable power delivery and integration into customer power systems.

What you'll do

• Lead selection, sizing, and configuration of industrial grid-interactive inverters
• lead root-cause investigations of field and lab anomalies
• tune inverter parameters for grid-forming and grid-following operation
• validate microgrid integration, black-start capability, and grid-edge compliance
• support qualification testing and next-generation system integration
• conduct design reviews and collaborate across engineering disciplines.

What we're looking for

Skills & competencies

senior electrical engineer

inverter integration

grid integration

menlo park ca

mainspring energy

power conversion

grid-interactive inverters

microgrids

grid-forming

grid-following

$147k–$173k/year

onsite

Work arrangement

• Weekend coverage required

Benefits & perks

• Pre-IPO company equity through Restricted Stock Units (RSUs) and benefits.

Why this role

Hands-on lab and field role focused on system architecture and validation rather than ground-up converter or PCB design; requires 5+ years of relevant experience.

About the employer

Mainspring Energy is hiring for this role. Industry: Motor and Generator Manufacturing. Sector: 33.