Senior Actuator Mechanical Design Engineer

About the Company

Humanoid is on a mission to build the world’s most capable, commercially-scalable, and safe humanoid robots. Their HMND-01 Alpha platform is already running in real industrial pilots.

Responsibilities

• Size and design torque dense actuators for humanoid robots, including motors, bearings, encoders, and drives
• Develop innovative strain wave and planetary gearbox designs
• Create 3D CAD models and production drawings using SolidWorks or NX with GD&T (ASME Y14.5)
• Select materials and manufacturing methods for performance, weight, and scalability
• Lead rapid prototyping using 3D printing and CNC machining
• Design components for high volume production including casting and injection moulding
• Collaborate with electrical, controls, and software teams to integrate actuators into robotic platforms
• Conduct mechanical testing and validation to ensure reliability
• Own mechanical subsystems from concept through deployment

Requirements

• 7+ years of professional mechanical design experience in robotics or electromechanical systems
• 3+ years of experience designing planetary, cycloidal, or strain wave actuators
• Bachelor’s or Master’s degree in Mechanical Engineering, Robotics, or Mechatronics
• Proficiency with SolidWorks, NX, or similar CAD tools
• Expertise in applying GD&T based on ASME Y14.5
• Experience with CNC machining, additive manufacturing, and injection molding
• Hands-on experience building and testing mechanical prototypes

Preferred Qualifications

• Experience using KISSsoft or RoMax for gearbox development
• Experience designing ball screw, lead screw, or roller screw actuators
• Experience with humanoid, legged, or mobile robots
• Experience performing FEA or structural simulations
• Experience in thermal modelling of electric motors or gearboxes