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Field Service Engineer

Mainspring Energy - Menlo Park, CA, United States - Hybrid - posted 2026-09-09

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Mainspring Energy manufactures fuel-flexible, low-emissions local power solutions for Fortune 500 companies, data centers, and utilities. As a Field Service Programs & Operations Engineer, you will serve as a technical leader bridging Field Service, Operations, Quality, and Engineering teams. This is a hands-on, field-facing role with no direct people management but significant technical leadership and mentorship responsibilities. You will work directly with Field Service Technicians, Supervisors, and Managers to support advanced troubleshooting, develop field service tooling and processes, and execute special projects across the fleet. Key responsibilities include: developing and implementing field service programs, procedures, and processes that improve maintenance execution, safety, reliability, and fleet availability; providing advanced technical troubleshooting for complex mechanical, electrical, controls, and system-level issues; serving as a technical bridge between Field Service and Engineering; identifying and deploying specialized field service tooling and test equipment; leading special projects including fleet retrofits and service campaigns; analyzing field failures and fleet performance data to identify improvement opportunities; developing maintenance procedures and technical documentation; collaborating across Reliability Engineering, Product Engineering, Supply Chain, Manufacturing, Safety, and Field Service leadership; mentoring Field Service Technicians and Supervisors; supporting customer issues and outages; and traveling to customer sites for field engagement. Required qualifications: Bachelor's degree in Mechanical Engineering, Electrical Engineering, Systems Engineering, or related technical field; 8+ years in Field Service, power generation, O&M, industrial maintenance, commissioning, reliability engineering, or similar; experience troubleshooting complex mechanical, electrical, controls, or electromechanical systems; experience working directly with field technicians and maintenance personnel; experience developing technical procedures, maintenance programs, tooling, or field solutions; strong project planning and execution skills; analytical and problem-solving abilities; effective communication and cross-functional collaboration; willingness to work hands-on in field environments; and strong commitment to safety and operational excellence. Preferred: previous Field Service Engineer, Senior Field Service Technician, Commissioning Engineer, or O&M Engineer experience; power generation, distributed energy, utilities, or industrial equipment background; experience with generators, engines, turbines, electrical distribution systems, or complex electromechanical systems; field tooling or diagnostic equipment development; familiarity with Salesforce Field Service, Quickbase, CMMS/EAM, ERP, SQL, Power BI, or similar platforms; and experience supporting enterprise customers.

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