--- title: 'Strategic Materials Program Manager at Mainspring Energy' canonical: 'https://feeny.ai/job/strategic-materials-program-manager-mainspring-energy-menlo-park-5jehx45w4gv4' type: 'job' last_seen: '2026-11-08' --- # Strategic Materials Program Manager at Mainspring Energy - **Company:** Mainspring Energy - **Location:** Menlo Park, CA - **Compensation:** $85k–$100k - **Work type:** onsite - **Posted:** 2026-08-20 - **Last confirmed live:** 2026-11-08 - **Apply:** https://jobs.lever.co/mainspringenergy/d2952600-89a6-4a3f-8fca-300c2ce5b44a ## 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 The Strategic Materials Program Manager will be the operational linchpin for our most critical, high-value components. These components feature complex supply chains, custom manufacturing processes, and high field-rework value. To orchestrate material availability across diverse demand streams, you will leverage MRP systems and AI-driven forecasting tools to review historical trends, compare scenarios, and lead rigorous capacity planning. This role owns cross-functional communication, publishes regular planning reports for leadership, and partners directly with Procurement to ensure alignment. It is an opportunity to drive high-impact supply chain visibility from raw material mill runs to final asset delivery. ## Key Responsibilities - Manage end-to-end material flow and inventory visibility for critical components - Coordinate and reconcile material requirements and allocations across multiple operational teams including Production, Project Delivery, O&M, and R&D - Lead capacity planning and line of balance reviews with internal manufacturing teams and external stakeholders to identify and resolve throughput constraints - Review consumption trends, build comparisons, and evaluate forecasts using MRP systems and AI-driven forecasting tools to publish comprehensive planning reports - Partner closely with Procurement to review inventory coverage, align purchase order (PO) schedules with operational demand horizons, and prevent supply gaps - Own cross-functional communication by gathering operational inputs and delivering transparent executive reporting on material health and schedule risks to leadership ## Minimum Requirements - Deep knowledge of material requirements planning (MRP) and production scheduling logic - Strong analytical skills with the ability to interpret complex data sets and demand signals - Proficiency in managing ERP planning modules and optimizing system parameters - Exceptional communication skills to bridge gaps between Engineering, Production, and Procurement ## Qualifications - 5+ years of experience in materials management or supply chain planning in a manufacturing environment - Bachelor’s degree in Supply Chain, Operations, Engineering, Business, or a related technical field - Advanced technical proficiency with MRP and ERP systems - Proven track record of leading capacity planning, line of balance reviews, and cross-functional operations alignment with external suppliers - Direct experience managing high-value, long-lead, custom-manufactured components or complex component lifecycles - Exceptional communication and stakeholder management skills, with a proven ability to present complex data insights clearly to cross-functional teams and executive leadership - Proficiency in utilizing AI and automation tools (e.g., LLMs, spreadsheet automation) to streamline material planning workflows, accelerate documentation, and reduce manual reporting time - Advanced Excel/Google Sheets skills (VLOOKUPs, Pivot Tables, data modeling) - Cultural fit: Rigorous Accuracy (attention to detail, process-oriented), Pragmatic Problem Solving (finding solutions in supply constraints), and Proactive Collaboration 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 - [End of Line Technician](https://feeny.ai/job/end-of-line-technician-mainspring-energy-menlo-park-je1hcbvwmkt7) — Menlo Park, CA - [Senior Staff Commodity Manager, Electrical](https://feeny.ai/job/senior-staff-commodity-manager-electrical-mainspring-energy-remote-cc5nw4bre0h5) - [Field Service Technician (Long Island, NY)](https://feeny.ai/job/field-service-technician-long-island-ny-mainspring-energy-long-island-156003bfx9mv) — Long Island, NY - [Senior Field Service Technician (Worcester, MA)](https://feeny.ai/job/senior-field-service-technician-worcester-ma-mainspring-energy-worcester-e8yq2ch052tq) — Worcester, MA - [Senior Executive Assistant](https://feeny.ai/job/senior-executive-assistant-mainspring-energy-menlo-park-889dc1ea5q95) — Menlo Park, CA - [Controls Engineer - Electrical Systems Control](https://feeny.ai/job/controls-engineer-electrical-systems-control-mainspring-energy-menlo-park-w6gheh8n5q7c) — Menlo Park, CA - [Senior Sustaining Controls Engineer](https://feeny.ai/job/senior-sustaining-controls-engineer-mainspring-energy-menlo-park-aqsgt6apapva) — Menlo Park, CA - [Senior Staff Controls Software Engineer](https://feeny.ai/job/senior-staff-controls-software-engineer-mainspring-energy-menlo-park-m8cgwkz3z7q5) — Menlo Park, CA - [End of Line Technician](https://feeny.ai/job/end-of-line-technician-mainspring-energy-monterrey-h5p71j121x5p) — Monterrey, Mexico - [Software Deployment Operations Manager](https://feeny.ai/job/software-deployment-operations-manager-mainspring-energy-menlo-park-x33w829s6ape) — Menlo Park, CA