High Voltage Electrical Systems Expert
2 days ago
Company Overview
Mainspring Energy is revolutionizing the power generation industry with its cutting-edge Linear Generator technology. As a leading player in the market, we're committed to delivering high-quality, reliable, and efficient onsite power generators that meet the world's strictest emissions requirements.
We're backed by top-tier investors such as Khosla Ventures, Bill Gates, American Electric Power, and Lightrock, who share our vision of transitioning the world to clean and affordable electricity. With our products already in commercial use across the U.S., we're rapidly expanding into international markets and hiring talented engineers to join our team.
About Mainspring Culture
At Mainspring, we value pragmatism, collaboration, and humility. Our teams work together seamlessly, sharing expertise and perspectives to drive innovation and deliver exceptional customer experiences. We believe in building relationships based on trust, respect, and open communication.
Job Description
We're seeking an expert in high voltage electrical systems to design, develop, and integrate battery packs and high voltage subsystems for our Linear Generator technology. The successful candidate will be responsible for:
- Designing high-voltage (800V+) battery packs for backup battery operation of the Linear Generator
- Leading high voltage system projects, including design and integration of high voltage batteries, grid-tie inverters, power capacitors, VFDs, and DC/DC converters
- Driving validation, qualification, and reliability testing of high voltage subsystems
- Collaborating with cross-functional teams to deliver battery packs and electrical hardware subsystems to production
- Troubleshooting complex hardware and integration problems in R&D labs, production floors, and field units
This is a hybrid position, requiring both onsite and remote work. You'll need to be available for testing, troubleshooting, manufacturing support, and other site-specific tasks.
Qualifications and Skills
We're looking for a highly skilled engineer with 3-5 years of experience in high voltage battery development, testing, or integration. Your technical expertise should include understanding BMS fundamentals, and you must have a bachelor's degree or higher in Electrical Engineering or a related field.
Nice-to-Haves
A strong candidate would also possess expertise in different battery chemistries, the ability to explain their relative strengths and weaknesses, and experience working at a startup or rapid development environment.
Compensation and Benefits
The estimated salary for this role is $114,000 - $130,000 per year, plus pre-IPO stock options and benefits. This position is located in Menlo Park, CA. Salary adjustments may apply based on your level of experience.
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