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updated 1 month ago

Physical Infrastructure Design Lead

Work format
onsite
Work type
fulltime
Grade
lead
English
b2

Job description

Text:
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TL;DR
Physical Infrastructure Design Lead (AI Datacenters): Leading the physical design of AI factory sites, including power topology, cooling architecture, civil works, and facility layouts from concept through construction handover with an accent on high-density compute, liquid cooling, and mission-critical electrical systems. Focus on designing 100 kW to 1 MW+ racks, developing thermal and electrical simulations, integrating utility and backup systems, and creating scalable infrastructure patterns across multiple campuses.

Company

hirify.global develops and operates AI factory sites for high-density compute deployments.

What you will do

  • Lead the physical design of datacenter campuses and compute halls, covering power topology, cooling topology, rack density, cable routing, and deployment standards.
  • Design infrastructure for 100 kW to 1 MW+ racks, including direct-to-chip liquid cooling, CDU loops, chilled water systems, rear-door heat exchangers, immersion readiness, and megawatt-scale redundancy.
  • Lead CAD, CFD/CFM modeling, thermal simulations, electrical one-lines, grounding strategies, UPS and generator integration, and fire suppression design inputs.
  • Drive electrical architecture decisions across utility interconnection, switchgear, UPS, backup generation, grounding, and fault-tolerant distribution.
  • Create repeatable design patterns for multiple campuses and deployment waves while serving as the senior technical authority for physical infrastructure tradeoffs and lifecycle cost.

Requirements

  • Experience building hyperscale campuses, HPC datacenters, liquid-cooled facilities, or high-density compute deployments.
  • Deep knowledge of mechanical and electrical systems engineering for mission-critical environments.
  • Expertise in direct-to-chip liquid cooling and advanced thermal architectures.
  • Strong command of CAD, CFD, and facility design workflows.
  • Experience coordinating cross-functional delivery with construction and utility partners, including site selection, capacity planning, and utility timelines.
  • Demonstrated ability to connect facility engineering detail with strategic infrastructure roadmaps.

Culture & Benefits

  • Work spans AI factory sites, multiple campuses, and successive infrastructure deployment waves.
  • Role involves collaboration with construction and utility partners.
  • Technical decisions directly influence AI cluster deployment and infrastructure lifecycle cost.