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FluidstackFluidstackAustin, TX

Commissioning Manager, Mechanical

Lead mechanical commissioning (chilled water, HVAC, Levels 1-5) for hyperscale AI data centers as Owner's representative. Coordinate contractors/vendors, oversee testing/startup/troubleshooting of mechanical and electrical systems. Requires 5+ years mission-critical data center experience and engineering degree.

150k – 250k/yr
Hybrid5+ YOEHardware Engineering

About the role

Key Responsibilities

  • Lead chilled water, HVAC, and overall mechanical commissioning efforts for high-performance data centers.
  • Act as the Owner’s Commissioning Mechanical lead, coordinating with general contractors, designers, and vendors across multiple projects/sites.
  • Oversee pre-commissioning and commissioning across all phases (Level 1–5) for mechanical systems.
  • Apply knowledge of ASHRAE or BCxA commissioning guidelines.
  • Manage mechanical testing, balancing, flushing, pressure testing, and startup procedures for mission critical infrastructure.
  • Commission equipment including: Chillers, Cooling Towers, Dry Coolers, Pumps, CRAH Units, CRAC Units, Air Handling Units (AHU), Make-Up Air Units (MAU), Computer Room Ventilation Systems, Heat Exchangers, Expansion Tanks, Pressurization Units, Water Treatment Systems, Piping Distribution Systems, Control Valves, Variable Frequency Drives (VFDs), Building Management System (BMS), HVAC Control Systems, Leak Detection Systems, Fuel Oil Transfer Systems, and associated mechanical control sequences.
  • Conduct pre-site testing, on-site functional testing, flushing and pressure testing verification, sequence of operations validation, and mechanical performance checks.
  • Diagnose and resolve issues during startup; provide ongoing system support.
  • Assess and test at a high technical level with strong organizational and communication skills.

Basic Qualifications

  • Knowledge and experience with ASHRAE or BCxA commissioning guidelines.
  • Knowledge and experience with InterNational Electrical Testing Association (NETA) test specifications.
  • Theoretical and practical knowledge in the commissioning, testing, troubleshooting, and operation of mechanical systems and related controls.
  • Experience commissioning electrical systems including: Generator, Generator Paralleling Switchgear, High/Medium/Low Voltage Transformer (XFMR), Uninterruptible Power Supply (UPS Systems), Battery Systems, High/Medium/Low Voltage Switchgear (SWGR), Low Voltage Main Switchboards (MSB), PLC Control, Automatic and Semi-Automatic Switching Controls, Electrical Power Monitoring System (EPMS), Automatic Transfer Switch (ATS), Static Transfer Switch (STS), Power Distribution Unit (PDU), Busways, Remote Power Panel (RPP), Grounding Systems, Lighting Control Systems.
  • Technical competency in electrical system testing, validation, and troubleshooting.

Preferred Qualifications

  • Knowledge of control systems and electrical systems experience.
  • BSc/MSc in Mechanical Engineering.
  • 5+ years of mission-critical project experience in hyperscale data center commissioning.

Skills

mechanical commissioninghvacchilled water systemsashrae guidelinesbcxa guidelinesneta test specificationschillerscooling towerscrah unitscrac unitsbmsvfdsdata center commissioningelectrical systems commissioningTroubleshooting

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