Motor Control Software Engineer

Joby Engineer Position

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.

Responsibilities:

• Position sensorless control of permanent magnet synchronous motors; including advanced inverter pulse-width modulation, position and velocity estimation, current control, fault detection, and efficiency optimization
• Closed loop position control of servo actuation 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

Required:

• University degree in computer science, computer engineering, or electrical engineering
• 3+ years of full-time industry experience
• Expert knowledge of ac motor control design principles and applications including field oriented control, PWM strategies, current control
• Expert knowledge of MATLAB Simulink model-based design for controls development
• Experience with basic electronics debugging tools: oscilloscope, logic analyzer, power analyzer
• Basic understanding of version control technologies

Desired:

• Master of Science or Doctoral degree in electrical engineering or mechanical engineering focusing on power electronics and/or motor controls
• 5+ years of full-time industry experience
• Track record of working on safety critical systems and knowledge of safety standards
• Experience in position sensorless field oriented control development from design to validation
• Knowledge of control system design and principles of feedback control including PID control and advanced control techniques and their applications in the servo systems
• Knowledge of creating mathematical models of servo systems for analyses and simulations
• Knowledge of electro-mechanical systems focusing on interactions between electrical and mechanical components in servo systems
• 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 modern integrated development environments and debuggers
• Exposure to other languages such as: python, C#, C, SQL

Additional Information:

Compensation at Joby is a combination of base pay and Restricted Stock Units (RSUs). The target base pay for this position is $102,400 - $136,500/yr. The compensation package will be determined by job-related knowledge, skills, and experience.

Joby also offers a comprehensive benefits package, including paid time off, healthcare benefits, a 401(k) plan with a company match, an employee stock purchase plan (ESPP), short-term and long-term disability coverage, life insurance, and more.

Joby is an Equal Opportunity Employer.