Mechanical Engineer (Physical Infrastructure)

<div class="content-intro"><h3><strong><span style="font-family: arial, helvetica, sans-serif;">ABOUT xAI</span></strong></h3> <p><span style="font-family: arial, helvetica, sans-serif;">xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </span><span style="font-family: arial, helvetica, sans-serif;">Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. </span><span style="font-family: arial, helvetica, sans-serif;">We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. </span><span style="font-family: arial, helvetica, sans-serif;">All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.</span></p></div><h3><strong>ABOUT THE ROLE:</strong></h3> <p>We are seeking exceptional Mechanical Engineers to join our growing team in Memphis and help design, build, and optimize the mechanical infrastructure for xAI’s high-density AI supercomputing facilities. This is a broad Mechanical Engineer requisition covering three critical focus areas:</p> <ul> <li><strong>Thermal Mechanical Engineering</strong> (liquid cooling, heat exchangers, CFD analysis)</li> <li><strong>Systems Component Mechanical Engineering</strong> (enclosures, manifolds, structural assemblies, fluid handling)</li> <li><strong>HVAC Design Mechanical Engineering</strong> (facility air systems, CRAC/CRAH, airflow management)</li> </ul> <p>You will work on one or more of these areas depending on your expertise and business needs, collaborating across thermal, mechanical, electrical, power, and con