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Senior Mechanical Engineer - Actuation

Apptronik· Hardware
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Austin, TXfull-timePosted 3w ago

About the role

Senior Mechanical Engineer focused on electric actuation design for humanoid robotics (Apollo). Join a cross-disciplinary team at Apptronik to develop actuation solutions, drive design decisions, and scale production for next-generation humanoid robotics systems.

Responsibilities

  • Lead detailed design and analysis of actuators (rotary and linear)
  • Guide junior engineers to improve their designs
  • Collaborate with a small cross-disciplinary team of engineers
  • Participate in creative brainstorming for concept generation
  • Conduct engineering analysis to drive design decisions
  • Compare concepts via iterative design, prototype, assembly, and test
  • Perform analysis (FEA, etc.) to optimize and validate design
  • Create GD&T-informed drawings, a Bill of Material, and procurement documentation
  • Produce assembly instructions and finalize project documentation
  • Participate in pilot build of your designs
  • Perform DVP&R to ensure design meets requirements
  • Iterate on design to harden for scalability and DFMA

Qualifications

  • Mastery of engineering fundamentals / first principles
  • High proficiency in CAD (NX, SolidWorks, Creo, or similar)
  • Demonstrated hands-on experience prototyping and testing mechanical components
  • Exceptional attention to detail
  • Excellent teamwork and collaboration
  • Outstanding organizational and time management skills
  • Ability to multi-task and manage conflicting deadlines
  • Strong written and verbal communication
  • Great team player able to perform within a dynamic start-up environment
  • Knowledge of kinematics, structures (statics), dynamics, joints/mechanisms, and electromechanical packaging optimization
  • Experience in designing with planetary gears and linear transmissions is preferred
  • Experience in humanoid/legged robotics is preferred
  • Understanding of motor control systems and PCB layout principles is preferred

Skills

Required:Actuation designCADPrototyping and testingDocumentationTeamwork and communicationKinematics and dynamics
Nice to have:DFMA/DFMAPlanetary gears / linear transmissionsMotor control systems / PCB layout
Last updated Oct 4, 2026. Interested? Apply on the company site.

About Apptronik

One Platform for the Future of Work

Apptronik designs humanoid robotics platforms with mobility, manipulation, and human-centered interaction to support people in the workplace.

3PLApolloApollo for ManufacturingApollo for RetailApollo for WarehouseBuilt for the Real WorldForm That Fits the WorkGoods-to-Person

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