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Motor Control Software Engineer at Joby Aviation
San Carlos, CA, US

This engineer will play a key role in a small, fast-moving team and participate in architecture, design, and implementation of motor control systems within our electric-powered, fly-by-wire aircraft. This engineer will work closely with the hardware, mechanical, integration, and flight testing teams to design, develop, test and improve system-level behaviors.


  • Sensorless control of permanent magnet torque motors; including inverter advanced modulation, position and velocity estimation, current control, fault detection, and efficiency optimization.
  • Closed loop position control of permanent magnet servo systems; including redundant position sensors and multi-phase motors controlled from separate servo drives.
  • Optimization of motor controls using MATLAB Simulink with hand coding capability
  • Assure inverter and motor systems meet performance requirements via controls algorithm development, implementation and testing
  • Oversee dynamometer testing and interpretation of data for controls development, validation and improvement
  • Tuning and calibration of complete systems on dynamometers, on test stands, and on the aircraft.
  • Unit-tests for build environment, sub-system validation testing, integration testing, flight testing, software in the loop testing

  • University degree in computer science, computer engineering, or electrical engineering
  • At least 2 years full time industry experience
  • Expert knowledge of Sensorless torque control and closed loop position control
  • Expert knowledge of MATLAB Simulink for controls development
  • Knowledge of real time bare-metal firmware development
  • knowledge of object-oriented programming methodology and multi-layered system architectures
  • knowledge of multi-threaded systems
  • Experience with basic electronics debugging tools: oscilloscope, logic analyzer, power analyzer
  • Experience with modern integrated development environments and debuggers
  • Basic understanding of version control technologies
  • Exposure to other languages such as: python, C#, C, SQL