About Mainspring

Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.

The core values that ground our work, guide our decisions, and connect us together:

• Pragmatic Optimism
• Excellence without Ego
• Proactive Collaboration

Job Overview

As a Field Service Manager at Mainspring Energy, you will lead Field Service Supervisors and support the overall performance, availability, and reliability of Mainspring's operating fleet. You will translate fleet performance objectives into effective field execution by ensuring the organization has the right people, skills, parts, tools, and resources available to safely execute planned and reactive maintenance.

This role provides leadership and direction to Field Service Supervisors while maintaining accountability for fleet performance, workforce capability, resource utilization, and operational readiness. The Manager will work closely with Engineering, Reliability, Supply Chain, Logistics, Safety, Customer Operations, and other internal teams to identify risks, remove operational barriers, and improve field service effectiveness.

Responsibilities

• Team Leadership: Directly manage, coach, and develop Supervisors. Establish expectations for safety, operational execution, customer engagement, communication, and accountability. Develop supervisor capability, consistency, succession plans, and performance management practices.
• Fleet Performance: Monitor fleet availability and maintenance performance; identify reliability risks; ensure appropriate prioritization of reactive versus planned work; review downtime, repeat failures, extended repairs, and trends; drive action plans; lead fleet performance reviews; escalate significant risks with recommendations.
• Personnel and Resource Management: Develop workforce plans based on fleet growth, maintenance demand, geography, and reactive workload. Evaluate technician capacity, skills, certifications, and coverage. Identify staffing gaps, balance resources, manage subcontractor needs, participate in hiring, and develop training plans.
• Strategic Parts and Resource Planning: Identify critical spares and materials; forecast maintenance and reactive demand with Supply Chain; identify shortages affecting downtime; support stocking-location decisions; plan major maintenance campaigns, upgrades, retrofits, tools, lifting equipment, test equipment, and subcontractor requirements.
• Maintenance and Site Planning: Review requirements across 30-day, 90-day, 6-month, and 12-month horizons. Identify capacity constraints, support outages and major campaigns, ensure critical-path activities have parts and labor, and support new site and fleet expansion planning.
• Cross-Functional Operational Leadership: Bridge Field Service with Reliability Engineering, Product Engineering, Supply Chain, Logistics, Safety, Customer Operations, Manufacturing, Technical Support, Finance, and Fleet Operations. Drive closure of issues affecting fleet performance and incorporate field feedback into product and process improvements.

Required Qualifications

• 10+ years of progressively responsible experience in Field Service, O&M, industrial maintenance, power generation, utilities, or comparable technical service operations.
• 5+ years of leadership experience, preferably managing supervisors, leads, or frontline leaders.
• Experience managing distributed or geographically dispersed field teams.
• Experience coordinating planned and reactive maintenance.
• Experience managing workforce capacity, technician utilization, and resource allocation.
• Demonstrated use of operational data and KPIs to drive improvement.
• Strong cross-functional leadership experience.

Strongly Preferred Qualifications

• Prior Field Service Technician or Field Service Engineer experience.
• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Systems Engineering, or a related technical field.
• Power generation O&M experience.
• Experience with generators, engines, turbines, electrical systems, energy storage, or complex electromechanical equipment.
• Experience supporting fleets of distributed assets.
• Maintenance planning and outage execution.
• Salesforce Field Service, Quickbase, CMMS/EAM, ERP, or comparable digital operations platforms.
• Critical spare parts and inventory planning.
• High-visibility enterprise customer support.

$124,000 - $146,000 a year. This position is onsite at our Menlo Park HQ. The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with the base salary, Mainspring offers pre-IPO stock options + benefits.

Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted requirements for a particular role, we’d still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.

In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.