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  <jobs>
    <job>
      <externalid>719417bc-a92</externalid>
      <Title>Mechanical Commissioning Technician</Title>
      <Description><![CDATA[<p>We are seeking a highly skilled Mechanical Commissioning Technician to support the buildout and startup of xAI&#39;s high-performance data centres. In this critical hands-on role, you will perform commissioning, testing, and troubleshooting of mechanical systems that provide cooling, air handling, and fluid distribution for our next-generation AI supercomputing infrastructure.</p>
<p>You will work closely with construction, engineering, and operations teams to ensure safe, reliable, and high-quality mechanical systems from initial installation through full system turnover. This is a full-time, onsite role with significant travel to xAI data centre sites.</p>
<p><strong>Responsibilities:</strong></p>
<ul>
<li>Execute mechanical commissioning activities for HVAC systems, chillers, cooling towers, CRAC/CRAH units, pumps, heat exchangers, piping systems, and associated controls in data centre environments.</li>
</ul>
<ul>
<li>Perform functional testing, airflow and water flow verification, system balancing, and integrated system performance validation.</li>
</ul>
<ul>
<li>Troubleshoot and resolve mechanical, controls, and hydronic issues during pre-commissioning, commissioning, and startup phases.</li>
</ul>
<ul>
<li>Develop and execute detailed commissioning test procedures, checklists, and documentation in accordance with project specifications and industry standards.</li>
</ul>
<ul>
<li>Collaborate with EPC contractors, OEM vendors, and xAI engineers to coordinate system energization, startup sequences, and integrated system testing.</li>
</ul>
<ul>
<li>Ensure strict adherence to safety protocols, LOTO procedures, and quality standards during all commissioning activities.</li>
</ul>
<ul>
<li>Maintain accurate as-built documentation, test records, and commissioning reports.</li>
</ul>
<ul>
<li>Support training of operations and maintenance teams on commissioned mechanical systems.</li>
</ul>
<ul>
<li>Participate in constructability reviews and provide field feedback to improve design and installation quality.</li>
</ul>
<p><strong>Basic Qualifications:</strong></p>
<ul>
<li>3+ years of hands-on mechanical commissioning or field technician experience in data centres, power plants, or large industrial facilities.</li>
</ul>
<ul>
<li>Strong working knowledge of data centre cooling systems including chillers, cooling towers, pumps, CRAC/CRAH units, and precision air handling.</li>
</ul>
<ul>
<li>Experience with commissioning test equipment (manometers, anemometers, flow meters, temperature/pressure calibrators, etc.).</li>
</ul>
<ul>
<li>Familiarity with relevant codes and standards (ASHRAE, SMACNA, NFPA, ASME, IMC).</li>
</ul>
<ul>
<li>Demonstrated ability to read and interpret mechanical drawings, P&amp;IDs, and control schematics.</li>
</ul>
<ul>
<li>Strong safety mindset with current OSHA 10/30 or equivalent training.</li>
</ul>
<ul>
<li>Willingness to work extended hours, nights, and weekends during critical commissioning windows.</li>
</ul>
<p><strong>Preferred Skills and Experience:</strong></p>
<ul>
<li>Prior commissioning experience on hyperscale data centre projects or mission-critical facilities.</li>
</ul>
<ul>
<li>NEBB, AABC, or equivalent certification in testing, adjusting, and balancing (TAB).</li>
</ul>
<ul>
<li>Experience with BMS/BAS controls troubleshooting and integration (BACnet, Modbus, etc.).</li>
</ul>
<ul>
<li>Knowledge of chilled water systems, refrigerant systems, and high-density liquid cooling technologies.</li>
</ul>
<ul>
<li>Proficiency with commissioning management software (e.g., CxPro, Procore, or similar).</li>
</ul>
<ul>
<li>Technical degree or trade school certification in Mechanical Engineering Technology, HVAC, or related field.</li>
</ul>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>mid</Experiencelevel>
      <Workarrangement>onsite</Workarrangement>
      <Salaryrange></Salaryrange>
      <Skills>mechanical commissioning, HVAC systems, chillers, cooling towers, CRAC/CRAH units, pumps, heat exchangers, piping systems, commissioning test equipment, manometers, anemometers, flow meters, temperature/pressure calibrators, relevant codes and standards, ASHRAE, SMACNA, NFPA, ASME, IMC, mechanical drawings, P&amp;IDs, control schematics, OSHA 10/30, safety protocols, LOTO procedures, quality standards, prior commissioning experience, NEBB certification, AABC certification, TAB certification, BMS/BAS controls troubleshooting, integration, BACnet, Modbus, chilled water systems, refrigerant systems, high-density liquid cooling technologies, commissioning management software, CxPro, Procore</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>xAI</Employername>
      <Employerlogo>https://logos.yubhub.co/xai.com.png</Employerlogo>
      <Employerdescription>xAI creates AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The organisation operates with a flat organisational structure and employs a small, highly motivated team.</Employerdescription>
      <Employerwebsite>https://www.xai.com/</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://job-boards.greenhouse.io/xai/jobs/5127519007?utm_source=yubhub.co&amp;utm_medium=jobs_feed&amp;utm_campaign=apply</Applyto>
      <Location>Memphis, TN; Southaven, MS</Location>
      <Country></Country>
      <Postedate>2026-05-05</Postedate>
    </job>
  </jobs>
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