Prototype Engineer

Posted 3 Days Ago
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San Francisco, CA, USA
In-Office
Mid level
Artificial Intelligence • Machine Learning • Robotics
The Role
Design and rapidly fabricate mechanical, electrical, and sensor prototypes for robotics research. Collaborate with researchers and engineers to translate experiments into CAD, PCBs, wiring, sensor/actuator integration, and validated end-to-end prototype systems. Build fixtures, test rigs, and tooling; perform hands-on assembly, debugging, and documentation to support real-world deployments.
Summary Generated by Built In

Physical Intelligence is bringing general-purpose AI into the physical world. We are a team of engineers, scientists, roboticists, and company builders developing foundation models and learning algorithms to power the robots of today and the physically-actuated devices of the future.

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.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Skills Required

  • Rapidly design and fabricate mechanical, electrical, and sensor prototypes
  • Partner with researchers to translate experimental requirements into buildable hardware
  • Create end-to-end prototype systems from concept through CAD, fabrication, wiring, and validation
  • Design fixtures, jigs, test rigs, and custom tooling
  • Evaluate and select sensors, actuators, and off-the-shelf components for integration
  • Develop quick-turn PCBs, wiring harnesses, and cable assemblies
  • Hands-on assembly, troubleshooting, and debugging of electromechanical and robotic systems
  • Collaborate with electrical and robot software engineers to integrate hardware with control systems and firmware
  • Identify and address hardware failure modes in unstructured real-world environments
  • Document designs, test results, and build procedures for knowledge transfer
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The Company
191 Employees
Year Founded: 2024

What We Do

Physical Intelligence is bringing general-purpose AI into the physical world, developing foundation models and learning algorithms to power robots and other physically-actuated devices.

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