Mechanical Engineer - Datacenter (Macrohard/Colossus)

Socket.dev; Memphis (TN); On-site; USD 110,000 - 170,000; Full time

Job summary

SpaceXAI is seeking a senior engineer to lead design and optimization of fluid and HVAC systems for state-of-the-art data center facilities in Memphis, TN. You will serve as the subject matter expert on thermal management, pumping, flow control, and related components, guiding cross-functional teams across design, testing, and manufacturing.

The role emphasizes hands-on engineering, CAD modeling, and collaboration with procurement, construction, and production teams to deliver reliable, scalable

Qualifications

• Bachelor’s degree in engineering required.
• 1+ years of experience with fluid components such as valves, pumps, heat exchangers, or sensors.

Responsibilities

• Own and be SME for fluid/HVAC components across data center builds (chillers, pumps, exchangers, etc.).
• Perform CAD modeling and 3D deconfliction with other disciplines.
• Conduct fluid analyses for pressure balance and component design.
• Coordinate with procurement/construction to meet timelines and cost targets.
• Work with manufacturing teams to ensure manufacturability and reliable production transitions.

Job description

SpaceXAI’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 member of the data center engineering team design, build, and activate some of the world’s most technically advanced data center facilities. You will be the subject matter expert on thermal management, pumping, flow control, HVAC, and other critical fluid systems. You will have the opportunity to apply your knowledge, experience, and creativity to develop novel solutions at the cutting edge of data center and compute technology. This role involves design, analysis, testing, and manufacturing of data center systems and support elements. You will work with other engineering disciplines, construction managers, architects and internal customers to both identify needs and accomplish goals. The position is based in Memphis, TN.

RESPONSIBILITIES:

• Responsible for owning and being the subject matter expert on fluid/HVAC components across data center builds– chillers, pumps, dry coolers, chemical treatment, water storage, building pressurization, comfort heating/ cooling, heat exchangers, pumps, valves and systems.
• Perform CAD modeling and design of these systems. Deconflict your design with other disciplines in three dimensions.
• Perform fluid analyses for pressure balance, component design allowable, and consumables determination.
• Coordinate with procurement, construction and other disciplines to select, apply and procure equipment to your design that meets the timeline, cost profile and performance required for the build.
• When designing for internal manufacturing partners, ensure designs are manufacturable and reliable; work with the production team to ensure a smooth transition to a reliable manufacturing process that has minimal design engineering sustainment engineering required.

BASIC QUALIFICATIONS:

• Bachelor’s degree in an engineering discipline.
• 1+ years of professional experience working with various fluids components such as valves, pumps, COPVs, compressors, heat exchangers, pressure transducers, or temperature sensors.

SENIOR LEVEL QUALIFICATIONS:

• Bachelor’s degree in an engineering discipline.
• PE License
• 10+ years of professional experience working with various fluids components such as valves, pumps, COPVs, compressors, heat exchangers, pressure transducers, or temperature sensors.
• Proven track record of effective management and leadership

PREFERRED SKILLS AND EXPERIENCE:

• Professional Engineering licensure.
• Consulting experience in the data center market - AI specific experience preferred.
• Hands‑on experience with fluid (liquid and/or gas) handling systems.
• Experience using data acquisition equipment, as well as test instrumentation and control components: pressure transducers, thermocouples, resistance temperature detectors, relays.
• Experience with HVAC systems and air ducting.
• Experienced in REVIT with a solid understanding and application of parametric design tools and software.
• Ability to work independently.

ADDITIONAL REQUIREMENTS:

• Willing to work extended hours and/or weekends as needed.

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