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Lambda is an AI cloud infrastructure company serving tens of thousands of customers from AI researchers to enterprises and hyperscalers. The company is building the world's best AI cloud and seeks a Staff Electrical Engineer to own electrical design standards and reference architectures for medium-voltage systems supporting large-scale AI data centers.
In this role, you will lead electrical design from utility interconnection through campus distribution and medium-voltage-to-low-voltage transformation. You will develop and review single-line diagrams, equipment specifications, protection schemes, sequences of operation, and basis-of-design documents. You will evaluate greenfield, retrofit, and partner-provided designs for capacity, reliability, maintainability, cost, and schedule.
Key responsibilities include performing or overseeing load-flow, short-circuit, protective-device coordination, grounding, arc-flash, and power-quality studies. You will define requirements for substations, transformers, medium-voltage switchgear, protective relays, generators, and associated control systems. You will collaborate with utilities, engineering partners, equipment manufacturers, construction teams, commissioning agents, and data center operators. You will support equipment selection, long-lead procurement, factory testing, construction sequencing, commissioning, and integrated systems testing. You will investigate electrical failures and operational risks, driving corrective actions back into Lambda's standards and future designs. Travel to project sites, manufacturers, and partner facilities is expected as needed.
Lambda was founded in 2012 and has 500+ employees. The company is backed by notable investors including NVIDIA, Andrej Karpathy, ARK Invest, In-Q-Tel, and others. The position requires presence in the San Francisco office 4 days per week, with Tuesday designated as the work-from-home day.
REQUIREMENTS:
- Experience designing medium-voltage electrical systems for data centers, mission-critical facilities, utilities, or large industrial campuses
- Understanding of medium-voltage distribution, transformers, switchgear, generators, grounding, protection, and control systems
- Ability to develop and review single-line diagrams, technical specifications, relay philosophies, and electrical study reports
- Experience with ETAP, SKM, EasyPower, or comparable electrical analysis software
- Knowledge of applicable electrical and safety requirements, including NEC, NFPA 70E, IEEE, NETA, and utility standards
- Ability to balance reliability, capacity, maintainability, constructability, cost, and delivery schedule
- Clear communication across engineering, construction, operations, vendors, and executive stakeholders
- Bachelor's degree in electrical engineering or equivalent practical experience
NICE TO HAVE:
- Experience designing hyperscale, colocation, HPC, or AI data center campuses
- Experience with utility interconnection, large campus substations, or behind-the-meter generation
- Experience with protective-relay settings, generator paralleling, microgrids, or medium-voltage automation
- Experience supporting factory acceptance testing, commissioning, integrated systems testing, or failure investigations
- Experience with PSCAD or other EMT simulation tools or System Stability Analysis
- Professional Engineer licensure or progress toward licensure
