Mechanical Engineer - HVAC / Chilled Water

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. 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. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a Mechanical Engineer (HVAC/Chilled Water) at xAI, you'll join, diving into the design, analysis, and rollout of advanced mechanical systems for our state-of-the-art facilities. Working onsite with cross-disciplinary teams, you’ll leverage your expertise in HVAC, chilled water distribution, and thermal management to tackle complex challenges, ensuring our infrastructure is efficient, reliable, and scalable. Expect to optimize systems, align solutions with industry standards, and drive sustainability to support xAI’s mission of powering human scientific discovery through AI. RESPONSIBILITIES: Lead or participate in design meetings for chilled water systems in new data center builds and expansions, focusing on a mechanical perspective. Conduct feasibility studies and develop detailed specifications for chilled water system components, including chillers, cooling towers, pumps, and piping. Oversee the complete design and construction process, including permitting, for chilled water systems. Assist in overseeing the installation of chilled water systems, ensuring compliance with industry standards (like ASHRAE, ANSI), safety regulations, and company policies. Provide guidance on system integration, ensuring seamless coordination with electrical and other mechanical systems. Contribute to managing the maintenance schedule for chilled water systems, ensuring optimal efficiency and reliability. Assist in troubleshooting efforts for chilled water issues, minimizing downtime and enhancing system performance. Analyze and forecast cooling needs based on current and projected IT loads. Implement strategies for energy efficiency and cost reduction related to chilled water systems. Assist in project management for major infrastructure projects involving chilled water systems, from conception through to commissioning. Coordinate with external vendors, contractors, and internal departments to ensure project timelines are met. Ensure all work complies with local, state, and federal regulations concerning mechanical systems. Promote a safe working environment, adhering to all safety protocols. BASIC QUALIFICATIONS: Bachelor’s Degree in Mechanical Engineering or related field. Master's degree preferred. Professional Engineer (PE) license is mandatory. Minimum of 5-7 years of relevant experience in data center operations, with a focus on chilled water systems. Expert knowledge of the complete design and construction process, including permitting, for chilled water systems. Expertise in HVAC systems, particularly chilled water systems (chillers, cooling towers, pumps, piping). Proficient with CAD tools like AutoCAD or Revit for design documentation. Strong project management skills with experience in contributing to large-scale data center projects. Excellent communication, collaboration, and problem-solving skills. Certifications like ASHRAE or similar are a plus. ADDITIONAL REQUIREMENTS: Position is subject to pre-employment drug and random drug and alcohol testing. Position is subject to pre-employment and annual post-employment background checks. Comfortable working in an environment requiring exposure to noise. Available to work evenings and weekends, as the schedule varies depending on site operational needs; flexibility is required. xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.