Staff Mechanical Engineer - Data Center Cooling

Highlights

• Own cooling standards for large-scale AI data centers end to end.
• Design full thermal path from GPU heat capture to heat rejection.
• Lead cooling bring-up and initial GPU loading at live sites.

What they offer

• Generous cash and equity compensation
• Health, dental, and vision coverage for you and dependents
• Wellness and commuter stipends for select roles
• 401(k) plan with 2% company match
• Flexible paid time off plan

Ideal candidate

Mechanical engineer who thrives owning complex cooling systems end-to-end, balancing reliability, efficiency, and delivery to power large-scale AI infrastructure.

Requirements

• Experience designing cooling systems for data centers, mission-critical facilities, central plants, or large industrial environments
• Understanding of hydronic design, heat transfer, pumping, heat exchangers, chilled-water systems, and heat-rejection equipment
• Experience with direct-to-chip liquid cooling, CDUs, technology cooling-water loops, or high-density cooling systems
• Ability to develop and review P&IDs, equipment specifications, mechanical layouts, and engineering calculations
• Ability to model system capacity, flow, pressure loss, temperature approach, and performance
• Understanding of cooling-system redundancy, failure domains, thermal ride-through, and maintainability
• Understanding of relationship between GPU behavior, rack density, coolant conditions, and facility cooling capacity
• Clear communication across engineering, construction, operations, vendors, and executive stakeholders
• Bachelor's degree in mechanical engineering or equivalent practical experience