Mechanical Engineer, Power Generation

Openai·San Francisco·Posted 6 November 2026

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About the role

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…

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