Staff Mechanical Engineer, Lambda

• Have experience designing mechanical systems for data centers, mission-critical facilities, central plants, or large industrial environments
• Understand hydronic systems, heat transfer, chilled-water systems, heat rejection, pumping, filtration, and water treatment
• Can develop and review P&IDs, mechanical layouts, equipment schedules, technical specifications, and engineering calculations
• Understand mechanical redundancy, failure domains, maintainability, and operational requirements
• Can evaluate system performance across changing weather conditions and compute loads
• Understand applicable mechanical, plumbing, energy, and safety codes and standards
• Can balance cooling performance, efficiency, water consumption, reliability, cost, and delivery schedule
• Communicate clearly across engineering, construction, operations, vendors, and executive stakeholders
• Hold a bachelor’s degree in mechanical engineering or equivalent practical experience

Desirable

• Own mechanical design standards and reference architectures for large-scale AI data centers
• Develop cooling architectures for greenfield, retrofit, and partner-operated facilities
• Design central plants, heat-rejection systems, hydronic distribution, air-cooling systems, and direct-to-chip liquid-cooling infrastructure
• Perform cooling-load, heat-transfer, hydraulic, pressure-drop, psychrometric, and equipment-capacity calculations
• Develop and review P&IDs, equipment schedules, layouts, specifications, sequences of operation, and basis-of-design documents
• Select and size chillers, cooling towers, dry coolers, pumps, heat exchangers, CRAHs, CDUs, piping, valves, and water-treatment systems
• Evaluate designs for capacity, redundancy, failure isolation, maintainability, efficiency, water use, constructability, cost, and schedule
• Translate GPU, rack, and cluster thermal requirements into facility cooling requirements
• Review partner designs, vendor submittals, construction documents, and equipment packages for compliance with Lambda standards
• Coordinate mechanical interfaces with electrical systems, controls, building structure, hardware engineering, construction, commissioning, and operations
• Support equipment selection, long-lead procurement, factory testing, construction sequencing, commissioning, and system bring-up
• Investigate cooling failures and operational risks, driving lessons back into future designs
• Travel to project sites, manufacturers, and partner facilities as needed