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ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future. Spare Parts & Logistics Coordinator Department: Operations     Location: Houston, TX  / Hybrid in office 1 day week   Employment Type: Full-Time  About ON.energy ON.energy is a leading developer, owner, and operator of utility-scale Battery Energy Storage System (BESS) projects. We design and deliver medium-voltage UPS systems and operate critical energy infrastructure across the United States. Our mission is simple: reliable power, always on. We are a fast-growing team that values technical excellence, operational rigor, and cross-functional collaboration. POSITION OVERVIEW The Spare Parts & Logistics Coordinator is a key operational role within ON.energy’s O&M team, responsible for ensuring that critical spare parts are procured, stored, and deployed efficiently across all active BESS project sites. This individual will own the end-to-end spare parts supply chain — from developing storage strategies with third-party logistics (3PL) providers, to managing warehouse relationships and coordinating rapid part deployment to minimize equipment downtime. This role is based in our Houston, TX office and supports a growing portfolio of utility-scale BESS projects primarily across Texas. KEY RESPONSIBILITIES Warehouse & 3PL Management Manage relationships with third-party warehouse operators and 3PL providers responsible for storing ON.energy spare parts inventory. Evaluate and onboard new warehouse or 3PL contractors as ON.energy’s project portfolio expands. Develop and maintain storage consumption estimates (cubic footage, pallet counts, weight, throughput) to support RFQ processes with 3PL providers. Solicit, evaluate, and negotiate storage quotes from prospective 3PL partners; present cost comparisons and recommendations to leadership. Ensure SLAs for receiving, storage, and outbound shipment are met by all logistics partners Spare Parts Procurement & Quoting Solicit and manage quotes from OEM vendors, suppliers, and distributors for spare parts across BESS system components (inverters, transformers, DC combiner cabinets, battery modules, and related electrical equipment). Maintain a vendor matrix with pricing, lead times, and availability data to support proactive procurement decisions. Issue purchase orders, track deliveries, and reconcile received goods against orders in coordination with finance and field teams. Identify and develop alternative sourcing channels to reduce lead times and mitigate supply chain risk. Develop and maintain a site-level spare parts strategy that aligns inventory levels with O&M maintenance plans, OEM warranty obligations, and uptime targets. Establish and track minimum stock levels (min/max) for critical components to minimize unplanned downtime across all project sites. Maintain accurate inventory records in the CMMS (Computerized Maintenance Management System), ensuring visibility into on-hand quantities, storage locations, and replenishment triggers. Conduct periodic physical inventory audits at warehouse and site locations. Collaborate with the O&M Manager and Field Service Technicians to anticipate parts demand based on scheduled maintenance, failure trends, and seasonal considerations. Cross-Functional Coordination S