Senior / Staff Inverter and Motor Controls Engineer



Foster City, CA, USA
Posted on Wednesday, June 19, 2024
Zoox is looking for an embedded software / e-motor controls engineer to join our Powertrain Electric Drive Unit team. You will be responsible for embedded firmware for power electronics and e-motor controls of the Zoox vehicle. This work includes motor torque controls, regeneration controls, motor efficiency actions, functional safety, and interactions with vehicle controls. You will work closely with vehicle engineers, systems engineers, controls engineers, and suppliers to ensure the Zoox vehicle can drive safely and reliably. We are looking for people who are passionate about working with hardware and developing production-quality code for complex dynamic systems.

In this role, you will:

  • Design, develop, and test embedded software for controlling the e-motor and inverter
  • Integrate supplier software into the Zoox software stack, including defining requirements and interfaces, leading software technical communication, and supporting on-site testing and integration
  • Create software requirements, design documentation, test plans, and other supporting documentation
  • Work cross-functionally with vehicle engineers, controls engineers, systems engineers, validation engineers, and other experts to ensure safe and robust operation of the Zoox vehicle
  • Contribute to all phases of the software development cycle including prototyping, requirements capture, design, implementation, validation, and support
  • Develop advanced motor controls and functional safety features


  • Bachelor’s or Master’s degree in computer science, electrical engineering, mechanical engineering, or equivalent experience
  • 10+ years of experience developing power electronics and e-motor controls
  • Strong embedded C/C++ programming experience
  • Experience with embedded microcontrollers and microprocessors (ARM, PowerPC, DSP, ADC, SVPWM, FOC control)
  • Understanding of EV sub-systems, sensors and actuators, and automotive communication protocols

Bonus Qualifications

  • Knowledge of vehicle dynamics and control systems
  • Experience with CAN, LIN analysis, and debugging tools (PCAN, CANalyzer, CANape, +XCP, ETAK, JTAG, Infineon DAP, etc.)
  • Familiarity with high assurance development practices and tools (Polarion, ISO-26262, MISRA C/C++, ASIL, etc.)
There are three major components to compensation for this position: salary, Amazon Restricted Stock Units (RSUs), and Zoox Stock Appreciation Rights. The salary range for this position is $185,000 to $307,000. A sign-on bonus may be offered as part of the compensation package. Compensation will vary based on geographic location and level. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance. The salary range listed in this posting is representative of the range of levels Zoox is considering for this position.
Zoox also offers a comprehensive package of benefits including paid time off (e.g. sick leave, vacation, bereavement), unpaid time off, Zoox Stock Appreciation Rights, Amazon RSUs, health insurance, long-term care insurance, long-term and short-term disability insurance, and life insurance.