Amazon.com-posted 3 months ago
$136,100 - $235,200/Yr
San Francisco, CA
5,001-10,000 employees
General Merchandise Retailers

We are seeking a highly skilled Mechatronics or Controls Engineer with deep expertise in actuation systems, low-level motor control, sensor integration and system characterization to help design, prototype, and refine high degree-of-freedom systems. You will be a core contributor in the hardware-software integration loop, ensuring that our systems meet strict performance, safety, and research requirements. This role demands a blend of rigorous engineering skill, hands-on prototyping ability, and close collaboration with AI researchers and software engineers.

  • Own motor & actuator characterization, and integration into electromechanical subsystems to meet system-level performance specifications
  • Design and tune low-level control systems, including position, velocity, torque, and impedance control loops
  • Interface control systems with higher-level AI and motion-planning platforms, ensuring reliable, low-latency communication and robust operation
  • Maintain and update motor control board hardware and firmware, including environments for executing control loops, reading encoders, and managing outputs
  • Develop and execute SysID routines for electromechanical subsystems; design calibration procedures for sensors, actuators, and kinematic chains to ensure precision and repeatability
  • Build a model/digital twin with fine granularity of actuators undergoing SysID
  • Ensure actuator and control systems meet safety, robustness, and maintainability requirements for advanced robotic system operation
  • Work hands-on with mechanical, electrical, and AI teams to rapidly prototype and iterate on hardware solutions
  • Master's or PhD in Controls Engineering, Mechanical Engineering, Electrical Engineering, Robotics, or a related field or have equivalent practical experience with 6-10 years of relevant industry experience
  • Strong background in actuator and control system design, including characterization and integration
  • Proficiency in embedded firmware development for real-time control
  • Experience in robotic system calibration and system identification
  • Strong grasp of control theory, dynamics, and kinematics of robotic systems
  • Experience with sensor integration (encoders, force-torque sensors, tactile, MUs)
  • Proven ability to work hands-on in a fast-moving, multidisciplinary team
  • Experience with high-DOF robotic systems
  • Experience developing inverse kinematics (IK) solvers, kinematic calibration, and running motion simulations (e.g. MuJoCo, IsaacSim, MATLAB/Simulink)
  • Experience producing models and simulations of complex, high degree-of-freedom dynamic electromechanical systems and actuators
  • Ability to spec or design force/torque sensors, or develop algorithms for estimating forces from motor currents for compliance and collision handling
  • Ability to implement and tune inverse kinematics and dynamics algorithms; build and run simulations for system performance validation and motion planning
  • Specify, source, or design force-torque sensing capabilities, including developing algorithms for estimating forces from motor currents
  • Knowledge of estimating and improving actuator back-drivability
  • Knowledge of ROS/ROS 2 or similar robotic middleware
  • Experience with programming languages like C++, Python, MATLAB
  • Experience with high-performance, safety-critical mechatronic systems
  • Medical, financial, and/or other benefits
  • Equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package
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