--- title: 'FP&A Manager — Services at Mainspring Energy' canonical: 'https://feeny.ai/job/fp-a-manager-services-mainspring-energy-menlo-park-za5am2fn9ga5' type: 'job' last_seen: '2026-10-18' --- # FP&A Manager — Services at Mainspring Energy - **Company:** Mainspring Energy - **Location:** Menlo Park, CA - **Compensation:** $106k–$125k - **Work type:** onsite - **Posted:** 2026-10-02 - **Last confirmed live:** 2026-10-18 - **Apply:** https://jobs.lever.co/mainspringenergy/5ba08fb8-d370-46d3-bce7-644a310bd700 ## Job description ## 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 We are seeking an experienced FP&A professional to support our Services business unit, which services and maintains our hardware/equipment fleet in the field (Operations & Maintenance - O&M) . This role will partner closely with Operations, Field Service, and Supply Chain leadership to drive financial planning, forecasting, and performance analysis specific to a linear generator. The ideal candidate has 5-7 years of FP&A experience, ideally within a hardware, equipment, industrials, or asset-heavy services environment, and is comfortable translating operational metrics (uptime, service costs, spare parts, field labor) into financial outcomes. ## Key Responsibilities - Own the annual budgeting, quarterly forecasting, and long-range planning process for the business line, including revenue, cost of service, and margin analysis - Partner with Operations and Field Service leaders to build and maintain cost models covering field labor, spare parts/inventory, truck rolls, warranty, and third-party service contracts - Track and report on key O&M/hardware operating metrics (e.g., fleet uptime, mean time to repair, cost per unit serviced, service margin by contract/customer) and connect them to financial performance - Prepare monthly management reporting packages, including variance analysis (actuals vs budget/forecast) with clear narrative on drivers - Support pricing and contract profitability analysis for service agreements, maintenance contracts, and warranty programs - Build and maintain financial models to evaluate capital investments (equipment, tooling, spare parts inventory) and business cases for new service programs or geographic expansion - Partner with Accounting on month-end close, ensuring accurate cost allocation and revenue recognition for service/maintenance contracts - Identify cost-saving and margin-improvement opportunities across the O&M cost structure - Develop dashboards and self-service reporting tools to give operational leaders real-time visibility into their financial performance - Support ad hoc analyses for senior leadership, including board and investor reporting materials as needed ## Qualifications Required: - Bachelor's degree in Finance, Accounting, Economics, or related field - 7-10 years of progressive FP&A or corporate finance experience - Experience supporting a hardware, equipment, industrials, field services, or asset-intensive business (O&M, install base, or service organizations strongly preferred) - Strong financial modeling skills (advanced Excel required; experience building models from scratch) - ## Experience with budgeting/forecasting tools and ERP systems - Ability to translate operational/technical metrics into financial insights for non-finance stakeholders - Strong communication skills; comfortable presenting to senior operational and finance leadership Preferred: - MBA or CFA a plus, not required - Hardware/manufacturing background - Familiarity with cost accounting and revenue recognition as it applies to maintenance/warranty agreements - ## Experience with BI/reporting tools 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. ## About Mainspring Energy ## Company Overview - **One-liner**: Mainspring Energy designs and manufactures fuel-flexible linear generators that provide low-emission, dispatchable onsite power for utilities, data centers, and industrial customers. - **Entity Type**: Private (Series F) - **Headquarters**: Menlo Park, California, United States - **Founded**: 2010 - **Founders**: Shannon Miller ## Core Business - Primary industry: Electric Power Generation - Target customers: B2B – utilities, data center developers, enterprise, industrial - Mission statement: "Redefining how local power is delivered to capacity constrained companies and communities" – enabling clean, reliable, and fuel-flexible power. ## Products & Services - **[Linear Generator (LGen)]**: A flameless, fuel-flexible generator that converts gaseous fuels (natural gas, biogas, hydrogen, propane) into electricity with near-zero NOx emissions. Modular (0.25 MW per unit), fast-ramping (0-100% dispatchable), 46% electrical efficiency (LHV). Standardized 2.5 MW configuration (10 units). Suitable for grid-parallel or grid-independent operation, microgrids, and balancing renewables. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company) - **Key Metrics**: Annual revenue $117M (latest fiscal year); total funding $813M; 407 employees - **Notable Investors/Partners**: General Catalyst (led Series F, 2025, $258M), Lightrock (led Series E, 2022, $140M), BloombergNEF (grant), and others. - **Growth Signals**: Powering the largest U.S. EV truck charging depot; >1 GW of capacity trusted by Fortune 500 companies and utilities; headcount growing +3.4% YoY; job postings up +121.4% YoY (62 active openings); recently expanded into data center market. ## Competitive Advantages - **Fuel Flexibility**: Single generator can seamlessly switch between natural gas, RNG, hydrogen, and propane without hardware retrofits. - **Near-Zero Emissions**: <1.5 ppm NOx (0.05 lb/MWh) – meets stringent air quality standards. - **Dispatchability**: 0-100% load following, grid-independent operation, capable of firming renewables. - **Low Maintenance**: Only two moving parts, no oil changes, modular design reduces downtime. - **High Efficiency**: 46% electrical efficiency (LHV) across all scales. - **Fast Deployment**: Factory-built, skid-mounted units enable rapid installation. ## Strategic Focus - Scaling manufacturing and deployment to meet growing demand from data centers and utilities. - Advancing hydrogen and biogas compatibility to support long-term decarbonization. - Expanding standardized 2.5 MW configurations to lower installed cost and accelerate timelines. - Building a diverse, cross-disciplinary team to drive innovation in power generation. ## Why Work Here - Culture of inclusion, respect, and collaboration across engineering, operations, and field teams. - Emphasis on growth: "We invest in your growth because progress requires people who keep getting better." - Hybrid/Remote options: headquarters in Menlo Park, manufacturing facilities, and remote field service roles. - Active hiring across engineering (mechanical, electrical, software), operations, supply chain, and field service. - Competitive salary ranges (e.g., Engineer ~$107k, Controls Engineer ~$109k, Manufacturing Engineer ~$91k) plus benefits. - Diverse talent origins from Tesla, Stanford, Apple, SunPower, and other top clean energy companies. ## Sources 1. [mainspringenergy.com/company](https://www.mainspringenergy.com/company) 2. [mainspringenergy.com/careers](https://www.mainspringenergy.com/careers) 3. [jobs.lever.co/mainspringenergy](https://jobs.lever.co/mainspringenergy) 4. [linkedin.com/company/mainspringenergy](https://www.linkedin.com/company/mainspringenergy) 5. [mainspringenergy.com/product](https://www.mainspringenergy.com/product) ## Other roles at Mainspring Energy - [Vice President, Electrical Engineering](https://feeny.ai/job/vice-president-electrical-engineering-mainspring-energy-menlo-park-p78zqkakjf87) — Menlo Park, CA - [Staff Power Systems Site Integration Engineer](https://feeny.ai/job/staff-power-systems-site-integration-engineer-mainspring-energy-remote-ad1s0terv790) - [Staff Project Engineer - Grid Scale](https://feeny.ai/job/staff-project-engineer-grid-scale-mainspring-energy-remote-x5ke2wm3a57g) - [Senior Product Integration Engineer (CAD)](https://feeny.ai/job/senior-product-integration-engineer-cad-mainspring-energy-menlo-park-ax1bd2rd6xyb) — Menlo Park, CA - [Senior Product Performance Engineer](https://feeny.ai/job/senior-product-performance-engineer-mainspring-energy-menlo-park-tkn2srq295k3) — Menlo Park, CA - [Staff Product Performance Engineer](https://feeny.ai/job/staff-product-performance-engineer-mainspring-energy-menlo-park-ev3fhf1v0m38) — Menlo Park, CA - [Senior Staff Software Test & Automation Engineer](https://feeny.ai/job/senior-staff-software-test-automation-engineer-mainspring-energy-menlo-park-81j3epyw7kdp) — Menlo Park, CA - [Manager, CAD & Design Systems](https://feeny.ai/job/manager-cad-design-systems-mainspring-energy-menlo-park-racgnz1hdbew) — Menlo Park, CA - [Sustaining Controls Engineer](https://feeny.ai/job/sustaining-controls-engineer-mainspring-energy-menlo-park-cycxdbkwtkxh) — Menlo Park, CA - [Corporate Paralegal](https://feeny.ai/job/corporate-paralegal-mainspring-energy-remote-avwq5bg1kn28)