Chief Engineer

Trillium Professional
Phoenix, AZ

Trillium Professional is hiring a Chief Engineer – Critical Facilities to serve as the top technical authority for a hyperscale, AI-driven data center in Phoenix. This is a high-impact leadership role responsible for ensuring the reliability, safety, and performance of all critical infrastructure systems.

You’ll play a key role across both construction/commissioning and ongoing operations, ensuring seamless transition into a fully stable, high-availability environment.

What You’ll Do

Lead Site Technical Operations

  • Act as the primary technical authority for all mechanical, electrical, and control systems
  • Provide real-time direction during incidents and abnormal conditions
  • Uphold engineering standards, documentation, and operational discipline

Own Critical Infrastructure Performance

Oversee and optimize systems including:

  • Electrical: UPS, batteries, switchgear, PDUs/RPPs
  • Power Generation: Generators, ATS/STS, fuel systems
  • Cooling: Chillers, CRAH/CRAC units, cooling towers, pumps/valves
  • Controls: BMS, EPMS, SCADA, PLC systems
  • Life Safety Systems

Ensure stability during load transfers, maintenance, and fault scenarios

Drive Incident Response & Reliability

  • Lead infrastructure incidents as Incident Commander
  • Troubleshoot, stabilize, and restore operations quickly
  • Conduct root cause analysis (RCA) and implement corrective actions
  • Proactively identify risks and improve system reliability

Support Build & Commissioning

  • Partner with construction teams on startup and commissioning
  • Validate system readiness and oversee turnover to operations
  • Review commissioning plans, procedures, and documentation
  • Manage vendors performing work in live environments

Own Procedures & Documentation

  • Develop and maintain MOPs, SOPs, and EOPs
  • Ensure strict adherence to procedures and risk controls
  • Maintain accurate:
  • One-line diagrams
  • System schematics
  • Equipment histories & maintenance logs

Lead & Develop the Engineering Team

  • Mentor Lead Engineers and site engineering staff
  • Provide technical training and guidance
  • Support onboarding, staffing plans, and shift coverage
  • Foster a safety-first, high-performance culture

Ensure Safety & Compliance

  • Enforce standards across OSHA, NFPA, NEC
  • Lead LOTO and high-risk work protocols
  • Support audits (ISO, SOC2, regulatory)
  • Drive continuous safety improvements

What You Bring

Required

  • 7–10+ years in data centers, critical facilities, or MEP environments
  • Strong hands-on experience with:
  • UPS, generators, switchgear
  • Cooling systems (chillers, CRAH/CRAC)
  • BMS / EPMS / SCADA / PLC controls
  • Proven experience in incident response & escalation leadership
  • Ability to read one-line diagrams and technical schematics
  • Experience developing/executing MOPs, SOPs, EOPs
  • Strong leadership and decision-making under pressure
  • Ability to operate in a 24/7 critical environment

Preferred

  • Trade license (Electrical, HVAC, Mechanical, Stationary Engineer)
  • Hyperscale / colocation / Tier III–IV data center experience
  • OEM training (Schneider Electric, Cummins, Caterpillar, Trane, Liebert)
  • Experience with construction, commissioning, or expansions
  • Exposure to AI/GPU cooling (liquid cooling, direct-to-chip, rear-door)

Why This Role Matters

This is a mission-critical leadership role ensuring uptime and operational excellence for a next-generation AI data center. You’ll directly impact infrastructure reliability, scalability, and performance in a rapidly evolving, high-demand environment.

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