Prototype Engineer

Physical Intelligence

$110K — $130K *
Manufacturing & Automotive
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in hardware design and prototype development
  • Proficiency in CAD software for mechanical design
  • Hands-on experience with electrical prototyping and PCBs
  • Familiarity with sensors and actuators selection and integration
  • Strong problem-solving skills in unstructured environments
  • Ability to collaborate effectively with cross-functional teams

Responsibilities

  • Rapidly design and fabricate mechanical and electrical prototypes
  • Translate experimental requirements into detailed hardware systems
  • Build prototype systems from concept to validation
  • Design and iterate on custom tools for research
  • Evaluate and select components for integration
  • Develop quick-turn electronic assemblies for prototypes
  • Perform hands-on assembly and troubleshoot electromechanical systems
  • Collaborate with software engineers on hardware integration
  • Document designs and results for knowledge transfer

Benefits

  • Collaborative team environment promoting cross-functional engagement
  • Opportunity for hands-on problem-solving and innovation
  • Access to cutting-edge research projects
  • Support for continuous learning and skill development
Full Job Description
The team

This role is part of the hardware team and involves collaborating cross functionally across research, deployments and operations.

In this role you will:
  • Rapidly design and fabricate mechanical, electrical, and sensor prototypes to support research experiments and engineering development.
  • Partner directly with researchers to understand experimental requirements and translate them into buildable hardware systems.
  • Build end-to-end prototype systems: from concept sketches through CAD, fabrication, wiring, sensor integration, and validation.
  • Design and iterate on fixtures, jigs, test rigs, and custom tooling to enable research workflows.
  • Evaluate and select sensors, actuators, and off-the-shelf components for integration into prototype systems.
  • Develop quick-turn PCBs, wiring harnesses, and cable assemblies for prototype electronics.
  • Perform hands-on assembly, troubleshooting, and debugging of electromechanical and robotic systems.
  • Collaborate with electrical and robot software engineers to integrate hardware with control systems, firmware, and runtime software.
  • Identify and address failure modes specific to hardware operating in unstructured, real-world environments (contact forces, wear, thermal effects, cable management, etc.).
  • Document designs, test results, and build procedures to support knowledge transfer and design iteration.


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