Rack Design Engineer (Data Center) - Memphis en xAI

Presencial - Southaven, MS, USA; Memphis, TN, USA

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The Data Center Engineering team designs training and inference compute clusters from first principles, pushing thermal, electrical, and optical systems to the limit of physics. We operate as a highly cross disciplinary team comprised of mechanical, electrical, optical, and software engineers, all working to maximize the efficiency, reliability, and deployment speed of terrestrial computing to serve rapidly scaling demand.

Requirements

Skills

  • Bachelor’s degree in mechanical engineering, aerospace engineering, or a related engineering discipline
  • 2+ years of professional experience designing electromechanical hardware that was built and shipped (internship and project experience counts toward this if the hardware was physically produced)

Responsibilities

  • Own mechanical, structural, and integration design of high-density AI compute racks and associated chassis, frames, busbars, manifolds, and cable/fiber raceways
  • Integrate compute, networking, power distribution, and liquid cooling into a buildable, serviceable, high-yield rack architecture
  • Design for the in-house manufacturing line: DFM/DFA, fixtures, work instructions, incoming inspection, first article, and production ramp
  • Close thermal, structural, and power constraints with cooling, electrical, optical, and network counterparts at the cluster level (CDUs, cold plates, quick disconnects, PDUs/busbars, high-current distribution, tray and bend-radius limits)
  • Drive vendor and in-house parts from concept to qualified production, including sheet metal, extrusions, busbar, manifolds, cable management, and rack accessories
  • Stand on the floor during prototype and production builds: debug fit, leak, cable dress, airflow/liquid balance, and service time; fold issues into the next revision the same day
  • Produce and maintain CAD, BOMs, drawings, and build documentation that a line can run at volume
  • Support cluster deployment of the racks you design, including first-site bring-up and feedback into the next hardware generation
  • Partner with network, optical, electrical, and firmware teams to deploy custom compute for inference and training across SpaceX programs

Technologies

SolidWorksCreoNXCADCFDFEAEthernet switchingNetworkingInterconnectsHigh power distributionNVIDIA HGX/GB-classCustom OCPLiquid cooling designCold platesManifoldsCDUsQuick disconnectsLeak detectionCoolant compatibilityBusbarPDU48VHigh-current 3-phaseGroundingService safetyCable managementMPO/OSFPFiber

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