Senior Mechanical Engineer (Actuation)

Apptronik

Austin, United States Posted October 20, 2026

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On-site Full-time Senior
Job Description

Join our team as a Senior Mechanical Engineer (Actuation) and contribute to the development of our next-generation humanoid robotics system. You will lead the detailed design and analysis of actuators, guide junior engineers, collaborate with a cross-disciplinary team, and participate in creative brainstorming. You should have a strong background in electric actuation design, CAD proficiency, and experience in humanoid/legged robotics.

  • Lead the detailed design and analysis of actuators, guiding junior engineers and collaborating with a cross-disciplinary team.
  • Conduct engineering analysis to drive design decisions, compare concepts, and perform analysis to optimize and validate design.
  • Create GD&T-informed drawings, a Bill of Material, and procurement documentation, and participate in pilot build of your designs.
  • Understanding of motor control systems and PCB layout principles is preferred
  • Experience in designing with planetary gears and linear transmissions is preferred
  • Strong written and verbal communication
  • Outstanding organizational and time management skills
  • High proficiency in CAD (NX, SolidWorks, Creo, or similar)
  • Knowledge of kinematics, structures (statics), dynamics, joints/mechanisms, and electromechanical packaging optimization
  • Exceptional attention to detail
  • Demonstrated hands-on experience prototyping and testing mechanical components
  • Experience in humanoid/legged robotics is preferred
  • Mastery of engineering fundamentals / first principles
  • Excellent teamwork and collaboration
  • Great team player able to perform within a dynamic start-up environment
  • The ability to multi-task and manage conflicting deadlines
  • 6+ years in development of actuation and/or robotic systems or similar
  • Bachelor’s degree (or equivalent) in Mechanical Engineering or related field
  • Prolonged periods of sitting at a desk and working on a computer
  • Vision to read printed materials and a computer screen
  • Hearing and speech to communicate
  • Must be able to lift 15 pounds at times
Required Skills
mechanical engineering collaboration procurement Linear communication time management SolidWorks attention to detail prototyping testing
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