Job Description

Job Description

Title: Power Electronics Engineer III

Hours: Full-time

Location: Milwaukee,WI

Reports to Director of Electrical & Firmware Engineering

Our Benefits:

• Comprehensive healthcare plans (medical, dental, vision). The client pays 90% -100% of monthly premiums, depending on plans selected.
• Paid holidays, PTO, and family leave
• Community bonus plan and equity stock options.
• Referral Program
• Adventure Stipend (after two years)- matched vacation and PTO to go on an adventure that aligns with mission (outdoor recreation, climate, social impact).

This Role:

The client is looking for a passionate Power Electronics Engineer well-experienced in the design and testing of AC and DC power converters. You will work with a motivated product development and manufacturing team to develop energy products used all over the world, from California to Nigeria. As a Power Electronics Engineer, your work will focus on efficient, cost-effective ways to transfer energy between the grid, user devices, and lithium batteries.

You Will:

• Work with hardware: Review and inspect PCBAs in their native EDA software. Use the EE lab for basic rework and preparing test leads / adapters. Apply electrical engineering fundamentals (power, RLCs, switching). Use bench equipment (oscilloscope, logic analyzer, rack mount supplies and loads) for test and development
• Develop firmware : Implement control systems and safety logic for high-speed microcontrollers controlling power converters. Debug and test your own designs. Work with version control tools in a collaborative setting.
• Be a team player : Assume responsibility for program-level goals. Propose strategies and solutions to diverse problems. Share risks, progress updates, and final results with the team. Work with a mindful and resilient attitude. Embody team values. Coordinate across the Brooklyn and Milwaukee development teams.
• Travel: to Brooklyn or Milwaukee no more than once per quarter, and to China or Africa to support builds or field trials approximately once per year.

You Have:

• At least 5+ years' experience doing component selection, schematic capture, and layout for power converters, with at least some experience in bidirectional AC-DC and DC-DC power conversion.
• At least 2+ years' experience writing and validating firmware for power conversion (H-bridge control, control signal management, and safety interlocks).
• Familiarity with modeling, specification, and evaluation of wound magnetic components such as transformers, chokes, and large inductors.
• Proficiency with an ECAD platform such as KiCad or Altium.
• Proficiency with microcontroller platforms optimized for real-time power conversion, such as C2000 or STM32G4.
• Basic soldering and prototyping skills allowing instrumentation and experimentation.
• Skills that will improve the strength of your application:
• Proficiency with Python and test automation.
• Familiarity with lithium battery systems.
• Knowledge of advanced PCBA skills such as hot air rework and blue wiring.

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