Systems Test Engineer (Power Electronics)

TL;DR

Systems Test Engineer (Power Electronics): Owning application-specific testing of solid state transformers (SST) for AI data centers and utility-scale energy storage with an accent on hardware validation and test automation. Focus on bringing up hardware in lab and pilot environments, developing Python-based test scripts, and debugging complex power conversion performance.

Location: On-site in Scotts Valley, CA

Salary: $130,000–$160,000 per year

Company

A startup building cutting-edge power electronics and hardware solutions to accelerate the electrification of the grid.

What you will do

• Own end-to-end application testing of high C-rate battery packs and SST hardware.
• Support integration testing at pilot sites, including EMS-to-SST communication and grid-forming coordination.
• Develop and maintain Python-based test automation to command power converters and log data.
• Operate high-power test equipment, including chillers, contactors, and protection hardware.
• Review field performance from pilot deployments and collaborate with software teams on product improvements.
• Integrate SST hardware with commercial DAS, SCADA, and EMS systems.

Requirements

• 5+ years of hands-on experience in power electronics, energy storage, or grid-intensive environments.
• Strong grasp of DC circuit fundamentals and ability to correlate test data with simulations.
• Proficiency in Python for test automation and data analysis.
• Working knowledge of BMS, DC pre-charge, contactors, and thermal cooling loops.
• Experience with lab instrumentation like oscilloscopes and power analyzers.
• Familiarity with communication protocols such as CAN and Modbus TCP.

Nice to have

• Experience with solid state transformers or grid-forming inverters.
• Familiarity with utility-scale BESS commissioning.
• Hands-on experience with simulation tools like LTspice, Simscape, or PLECS.

Culture & Benefits

• Collaborative environment driven by first principles engineering.
• Competitive compensation package including salary and equity.
• Opportunity to work on frontier energy transition technology.
• Focus on personal, technical, and career growth.