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xAI

Mechanical Commissioning Lead

xAI
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onsite senior full-time Memphis, TN

First indexed 6 May 2026

Description

We are seeking an experienced Mechanical Commissioning Lead to lead the buildout, startup, and handover of mechanical systems for xAI's high-performance data centers. In this senior hands-on leadership role, you will direct commissioning, testing, troubleshooting, and turnover of critical cooling, air handling, and fluid distribution systems that support next-generation AI supercomputing infrastructure.

You will lead a team of commissioning technicians while working closely with construction, engineering, operations, EPC contractors, and OEM vendors to deliver safe, reliable, and high-quality mechanical systems. This is a full-time, onsite role with extensive travel to xAI data center construction sites across the United States.

Responsibilities:

  • Lead and execute all mechanical commissioning activities for HVAC systems, chillers, cooling towers, CRAC/CRAH units, pumps, heat exchangers, piping systems, hydronic loops, and associated controls in hyperscale data center environments.
  • Direct functional performance testing, airflow/water flow verification, system balancing, integrated system testing, and system turnover to operations.
  • Oversee troubleshooting and resolution of complex mechanical, controls, and process issues during pre-commissioning, commissioning, and startup phases.
  • Develop, review, and approve detailed commissioning test procedures, scripts, checklists, and documentation in alignment with project specifications, industry standards, and xAI requirements.
  • Lead coordination with EPC contractors, OEM vendors, design engineers, and xAI stakeholders for system energization, startup sequences, and integrated system validation.
  • Mentor, supervise, and provide technical direction to Mechanical Commissioning Technicians and other field personnel; conduct performance feedback and support their development.
  • Champion safety by enforcing strict adherence to LOTO, NFPA, OSHA, and xAI safety protocols; lead daily safety briefings and job hazard analyses.
  • Maintain comprehensive as-built documentation, test records, issue logs, and final commissioning reports; present readiness reports to senior leadership.
  • Support and deliver training programs for operations and maintenance teams on commissioned systems.
  • Participate in constructability reviews, design feedback sessions, and lessons-learned meetings to continuously improve installation quality and future project execution.
  • Manage commissioning schedules, resources, and punch-list resolution to meet aggressive project timelines.
This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/xai/jobs/5129306007