# Mechanical Commissioning Technician

**Company:** [xAI](https://hotfix.jobs/companies/xai)
**Location:** Memphis, TN, Southaven, MS
**Role:** Hardware Engineering
**Experience:** 3+ years
**Skills:** Hvac, Chilled Water Systems, Condenser Water Systems, Cooling Towers, Pumps, Heat Exchangers, Liquid Cooling, P&Ids, Mechanical Drawings, Loto, Epa Section 608, Cxpro, Procore
**Posted:** 2026-08-24

> Performs hands-on commissioning, testing, troubleshooting, and turnover of mechanical cooling and support systems for high-performance data centers. Requires at least three years of mechanical, HVAC, pipefitting, or commissioning experience and extensive travel to onsite project locations.

## Job Description

## Responsibilities
- Execute mechanical commissioning activities for chilled-water and condenser-water systems, cooling towers, pumps, heat exchangers, air handlers, computer-room cooling, liquid-cooling equipment, and associated controls in data center environments.
- Perform flush, fill, leak, and pressure tests; verify valve lineups, flow, temperature, and pressure against designs and sequences of operation.
- Complete point-to-point checks with controls technicians and confirm sensors, actuators, interlocks, and alarms respond correctly.
- Troubleshoot mechanical issues during pre-commissioning, commissioning, and startup.
- Develop and execute commissioning test procedures, scripts, and documentation.
- Coordinate startup sequences and integrated system testing with EPC contractors, OEM vendors, and engineers.
- Walk systems against drawings, mark redlines, document punch-list items, and drive deficiency closeout.
- Follow safety protocols, LOTO procedures, and quality standards.
- Maintain as-built documentation, test records, and commissioning reports.
- Support operations and maintenance team training.
- Participate in constructability reviews and provide field feedback.

## Requirements
- 3+ years of hands-on mechanical, HVAC, pipefitting, or commissioning experience in data centers, power plants, or large industrial facilities.
- Strong knowledge of chilled-water plants, pumping systems, heat-transfer equipment, and mechanical distribution.
- Experience with commissioning and field test equipment, including pressure gauges, flow meters, temperature instruments, and leak-detection tools.
- Ability to read and interpret P&IDs, mechanical drawings, and equipment submittals.
- OSHA 10/30 or equivalent safety training.
- Willingness to work extended hours, nights, and weekends during critical commissioning windows.
- Ability to travel extensively, remain onsite during peak commissioning phases, work in industrial environments, climb ladders, lift moderate loads, and wear PPE for extended periods.

## Nice-to-Haves
- Commissioning experience on hyperscale data center or mission-critical facility projects.
- Experience with liquid-cooling distribution, cooling towers, and primary/secondary pumping.
- Familiarity with building-management or industrial-control sequences.
- EPA Section 608 refrigerant certification.
- Technical degree or trade-school certification in Mechanical Engineering Technology, HVAC, or a related field.
- Proficiency with commissioning management software such as CxPro or Procore.

## Compensation and Benefits
- Full-time, onsite role with significant travel to data center sites.

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