Mechanical Engineer, Power Generation

The posting, as OpenAI wrote it

About the Team

OpenAI, in close collaboration with our capital and delivery partners, is building the infrastructure required to support frontier AI systems. The Data Center Engineering team defines repeatable technical standards and carries them through design, construction, commissioning, and operational readiness. The team works across data center facilities, power generation, compute infrastructure, construction, procurement, and operations to deliver reliable capacity at unprecedented scale and speed.

About the Role

We are seeking a Mechanical Engineer to design and integrate power-generation and balance-of-plant systems for large AI data center campuses. You will work across prime movers, fuel systems, exhaust, ventilation, cooling, water treatment, heat recovery, acoustics, fire interfaces, and plant auxiliaries. The role combines first-principles engineering with practical vendor and field execution to deliver systems that are safe, efficient, maintainable, and ready for demanding operating profiles.

Travel: 50%

Key Responsibilities

• Develop mechanical basis-of-design documents, process flow diagrams, P&IDs, specifications, calculations, and equipment requirements for power generation facilities.
• Design and review prime-mover auxiliaries, fuel gas or liquid fuel systems, exhaust, ventilation, cooling, lubrication, compressed air, water treatment, and heat-recovery systems.
• Evaluate thermal performance, hydraulic behavior, pressure drop, vibration, acoustics, emissions interfaces, redundancy, and maintenance requirements.
• Translate generation duty cycles and data center load profiles into equipment sizing, operating envelopes, and control requirements.
• Review OEM and EPC proposals, equipment selections, test plans, failure modes, service strategies, and lifecycle tradeoffs.
• Support procurement, factory acceptance testing, construction, startup, commissioning, performance testing, and root-cause investigations.
• Coordinate interfaces with electrical, controls, CSA, fuel supply, environmental, fire protection, and data center mechanical teams.
• Create repeatable mechanical reference designs and standards for future generation deployments.

Qualifications

• 8+ years of mechanical engineering experience on power generation, oil and gas, industrial utilities, central plants, or mission-critical projects.
• Strong knowledge of rotating equipment, piping, heat transfer, fluid systems, thermal performance, ventilation, and mechanical auxiliaries.
• Experience with combined heat and power, heat recovery, modular generation, or microgrids.
• Experience with gas turbines, reciprocating engines, generators, or comparable large industrial equipment.
• Ability to evaluate vendor data, equipment curves, operating scenarios, failure modes, and maintenance constraints.
• Experience carrying designs through construction, startup, commissioning, and performance validation.
• Knowledge of applicable ASME, A

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