# Mechanical Commissioning Technician

**Company:** [xAI](https://hotfix.jobs/companies/xai)
**Location:** Memphis, TN, Southaven, MS
**Role:** Hardware Engineering
**Experience:** 3+ years
**Skills:** Hvac, Chillers, Cooling Towers, Crac/Crah, Pumps, Heat Exchangers, Piping Systems, Ashrae, Smacna, Nfpa, Bms, Bacnet, Modbus, Procore, Cxpro
**Posted:** 2026-05-04

> Performs hands-on commissioning, testing, and troubleshooting of mechanical cooling systems for xAI's AI data centers. Requires 3+ years experience with data center HVAC, test equipment, and safety standards; involves extensive travel and onsite work.

## Job Description

## Responsibilities
- Execute mechanical commissioning activities for HVAC systems, chillers, cooling towers, CRAC/CRAH units, pumps, heat exchangers, piping systems, and associated controls in data center environments.
- Perform functional testing, airflow and water flow verification, system balancing, and integrated system performance validation.
- Troubleshoot and resolve mechanical, controls, and hydronic issues during pre-commissioning, commissioning, and startup phases.
- Develop and execute detailed commissioning test procedures, checklists, and documentation in accordance with project specifications and industry standards.
- Collaborate with EPC contractors, OEM vendors, and xAI engineers to coordinate system energization, startup sequences, and integrated system testing.
- Ensure strict adherence to safety protocols, LOTO procedures, and quality standards during all commissioning activities.
- Maintain accurate as-built documentation, test records, and commissioning reports.
- Support training of operations and maintenance teams on commissioned mechanical systems.
- Participate in constructability reviews and provide field feedback to improve design and installation quality.

## Basic Qualifications
- 3+ years of hands-on mechanical commissioning or field technician experience in data centers, power plants, or large industrial facilities.
- Strong working knowledge of data center cooling systems including chillers, cooling towers, pumps, CRAC/CRAH units, and precision air handling.
- Experience with commissioning test equipment (manometers, anemometers, flow meters, temperature/pressure calibrators, etc.).
- Familiarity with relevant codes and standards (ASHRAE, SMACNA, NFPA, ASME, IMC).
- Demonstrated ability to read and interpret mechanical drawings, P&IDs, and control schematics.
- Strong safety mindset with current OSHA 10/30 or equivalent training.
- Willingness to work extended hours, nights, and weekends during critical commissioning windows.

## Preferred Skills and Experience
- Prior commissioning experience on hyperscale data center projects or mission-critical facilities.
- NEBB, AABC, or equivalent certification in testing, adjusting, and balancing (TAB).
- Experience with BMS/BAS controls troubleshooting and integration (BACnet, Modbus, etc.).
- Knowledge of chilled water systems, refrigerant systems, and high-density liquid cooling technologies.
- Proficiency with commissioning management software (e.g., CxPro, Procore, or similar).
- Technical degree or trade school certification in Mechanical Engineering Technology, HVAC, or related field.

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