Jeff Hall

mechanical engineer

Greater Philadelphia

About

mechanical engineer with design, test, build, ship experience in consumer electronics, manufacturing, autonomous aircraft, and data center equipment

Experience

  • Thermal Design Engineer at Cornelis Networks
    Jul 2025 - Present · 1 yr

    air and direct to chip liquid cooling of data center equipment using CFD, conjugate heat transfer first principles, and hands-on testing to develop: custom microchannel cold plates heat pipe integration manifolds full stack ownership of thermal solutions (CAD, CFD, vendor communication, manufacturing) experienced with cadence thermal software (Celsius EC, 3D workbench)

  • Research And Teaching Assistant at Massachusetts Institute of Technology
    Aug 2023 - Jun 2025 · 1 yr 11 mos

    RA + TA for 2.001 and 2.006

  • Zipline (South San Francisco, California, United States)
    • Lead Mechanical Design Engineer - Avionics
      Apr 2022 - Aug 2022 · 5 mos

      avionics design for platform 2 aircraft thermals, PCBs, EMI, ESD, flexes, vibration control, antennas

    • Senior Mechanical Test Engineer
      May 2021 - Apr 2022 · 1 yr

      responsible for platform 1 powertrain test equipment projects: home-made closed circuit wind tunnel inside a shipping container capable of moving air at 40 m/s through a 0.5m x 0.5m cross section imbalance tester for propeller balancing

  • Applications Product Design Engineer at Arris Composites
    Aug 2020 - May 2021 · 10 mos

  • Product Design Engineer at Apple
    Jun 2017 - Aug 2020 · 3 yrs 3 mos

    system mechanical engineer for iPad responsible for final integration of modules: display, antennas, flexible PCBs, rigid PCBs, small parts, tapes, and foams experienced in antenna integration, failure analysis, reliability testing, DFM/DFA with vendors, communication in high pressure environments, on-site contract manufacturer build activity, and tolerance stacks projects: 2021 12.9" iPad Pro - system PD for 10,000 LED XDR display, ambient light sensors, display PCB 2021 11" iPad Pro - system PD for display, ambient light sensors, display PCB 7th generation iPad (2019) - system PD for WiFi/cell antennas, I/O flexes, tapes, foams, smart connector wiring harness, compass, microphones 2018 11” iPad Pro - system PD for WiFi/cell antennas (full ownership) 2018 12.9” iPad Pro - system PD for WiFi/cell antennas (assisted when needed)