Mechanical Engineer, Thermal Prototyping

Figure AI
San Jose, CA$120k – $180kPosted 5 March 2026

Job Description

<p>Figure is an AI robotics company developing autonomous general-purpose humanoid robots. The goal of the company is to ship humanoid robots with human level intelligence. Its robots are engineered to perform a variety of tasks in the home and commercial markets. Figure is headquartered in San Jose, CA.</p> <p>We are seeking a Mechanical Engineer focused on Thermal Prototyping to rapidly design, prototype, and test thermal solutions that reduce noise and improve system reliability across our robot platform. This role is extremely hands-on: continuously building models, running benchtop experiments, instrumenting components, and helping push the boundaries of silent thermals for humanoid robotics.</p> <p><strong>Responsibilities:</strong></p> <ul> <li>Design, build, and iterate 3D CAD models of thermal components: heat sinks, cold plates, airflow channels, fans, ducts, insulation, and passive/active cooling structures.</li> <li>Prototype concepts using FDM/SLA prints, CNC, sheet metal, foam, gasketing, and rapid thermal mockups.</li> <li>Run experiments that characterize noise sources and thermal loads across heat generating components including motors, gearboxes, electronics, and actuators.</li> <li>Evaluate fan characteristics and system impedance to optimize for minimal acoustic signature</li> <li>Instrument prototypes with thermocouples, microphones, accelerometers, airflow sensors, and DAQ hardware.</li> <li>Perform thermal bench testing, steady-state and transient measurements, and acoustic testing (near-field, far-field).</li> <li>Perform smoke tests, dye flow visualization, and IR thermography to understand heat flow and hotspot mechanisms.</li> </ul> <p><strong>Requirements: </strong></p> <ul> <li>2+ years of experience in mechanical, thermal, or electromechanical hardware development.</li> <li>Bachelor's or Master's degree in Mechanical Engineering, Thermal Engineering, Mechatronics, or similar.</li> <li>Strong 3D CAD proficiency</li> <li>Experience building prototypes and running hands-on thermal/acoustic tests.</li> <li>Familiarity with simulation tools (CFD, FEA, or equivalent).</li> <li>Comfort working with fans, heat sinks, interface materials, and general thermal componentry.</li> <li>Ability to design, execute, and document structured experiments.</li> </ul> <p><strong>Bonus Qualifications: </strong></p> <ul> <li>Background in acoustic modeling, vibration damping, or noise isolation techniques.</li> <li>Experience with DAQs, IR cameras, sound chambers, hot-wire anemometers, or other instrumentation.</li> <li>CATIA V6 experience.</li> </ul> <p>The US base salary range for this full-time position is between $120,000 - $180,000 annually.</p> <p>The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience. The total compensation package may also include additional components/benefits depending on the specific role. This information will be shared if an employment offer is extended. </p>