Position Summary: 

The Senior Manager, Field Performance Engineering, Energy Storage is accountable for the health of the deployed battery energy storage system (BESS) fleet. The role establishes, manages, and grows a multifunctional department spanning service engineering, applications engineering, field quality engineering, and reliability engineering. The position owns fleet-level statistical reporting on product quality and reliability, directs technical investigations of field issues, and establishes the frameworks that connect field operations to product engineering, including fleet monitoring, escalation, operations and maintenance handoff, and service tooling. This is a fully on-site role at 100 Hooper in San Francisco, with semi-regular travel to field sites. 

Essential Duties and Responsibilities 

• Manages and grows a multifunctional department of service, applications, field quality, and reliability engineers, including hiring and developing functional leads 

• Accountable for the quality and reliability performance of the deployed BESS fleet 

• Establishes fleet-level statistical reporting on product quality and reliability, including failure rates, availability, and warranty trends, for engineering and executive leadership 

• Directs technical investigations of field failures across electrical, thermal, controls, software, and power conversion systems through root cause and corrective action closure 

• Establishes escalation tiers, service-level agreements, and handoff criteria between operations and maintenance, service engineering, and product engineering, along with frameworks for fleet monitoring, service tooling, and service documentation 

• Manages applications engineering support for customer system sizing, integration, and site-specific configuration 

• Manages the feedback loop from field data to product engineering, defining reliability and serviceability requirements for current and next-generation systems 

Skills, Knowledge, and Abilities  

• Bachelor's degree in Electrical, Mechanical, or Systems Engineering or a related field; Master's degree preferred 

• 10+ years of experience with complex electromechanical, power electronics, or grid-scale energy systems, including 3+ years of people management 

• Experience working safely on high-voltage AC and DC systems, including applicable electrical safety practices 

• Working knowledge of BESS architecture, including energy management, battery management, power conversion, protection, and thermal management systems 

• Working knowledge of reliability engineering methods, including failure rate modeling, failure mode and effects analysis, and corrective action tracking 

• Experience establishing structured escalation models between field operations, service engineering, and product engineering 

• Ability to travel up to 25% of the time and to support off-hours escalations as required