Product Quality Engineer

ON.energy is building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software, ON.energy develops projects worldwide that set new benchmarks for resilience. Location: Remote in United States with up to 75% required travel to domestic and international supplier and project sites The Product Quality Engineer (PQE) supports the Product Quality Manager by executing project-level quality assurance activities for utility-scale BESS projects, with a strong emphasis on Factory Acceptance Testing (FAT) and supplier quality oversight. This role is a hands-on individual contributor responsible for planning, performing, witnessing, and monitoring FATs at OEM and supplier facilities to verify that critical BESS equipment meets contractual, technical, and quality requirements prior to shipment. In addition to FAT execution, the PQE performs field inspections, monitors equipment deliveries and installation activities, identifies and documents non- conformances, and supports corrective action resolution during construction, installation, and commissioning phases. The PQE plays a critical role in early defect detection and risk mitigation by validating product quality at the factory level and ensuring civil, mechanical, and electrical installations meet On.Energy, contractual, and industry standards before mechanical completion and commissioning. Key Responsibilities • Plan, perform, witness, and monitor Factory Acceptance Tests (FATs) and in-process inspections at OEM and supplier facilities for BESS equipment including batteries, PCS/inverters, transformers, switchgear, EMS, and auxiliary systems • Review and approve FAT procedures, test scripts, and acceptance criteria in alignment with contractual and technical requirements • Identify, document, and track FAT-related non-conformances and deviations; support Root Cause Analysis (RCA) and corrective/preventive actions prior to shipment • Coordinate and oversee third-party inspectors at vendor facilities when required • Perform on-site quality inspections for BESS projects during construction, installation, and commissioning • Support receiving inspections, delivery verification, and installation surveillance • Verify compliance with drawings, specifications, Inspection & Test Plans (ITPs), and Project Quality Management Plans • Identify, document, and manage Non-Conformance Reports (NCRs) in accordance with On.Energy procedures • Verify effectiveness of corrective actions prior to mechanical completion and handover • Complete inspection reports, FAT reports, checklists, and quality documentation accurately and on time • Maintain project quality records and digital inspection platforms • Provide timely quality status updates, metrics, and supplier performance feedback • Interface directly with EPC contractors, OEMs, and suppliers on quality matters • Execute project quality processes aligned with ISO 9001 and PDCA methodology • Promote a strong quality and safety culture at all times and work locations Qualifications Required • Bachelor’s degree in Electrical, Industrial, Mechanical, or Quality Engineering (or related technical field) • 5+ years of experience in quality engineering within the energy, power, or renewable industries • Direct experience performing or leading Factory Acceptance Tests (FATs) for electrical or power equipment • Hands-on experience with electrical power systems used in BESS projects • Working knowledge of ISO 9001, NCR management, RCA, and CAPA processes • Ability to read and interpret electrical drawings, civil plans, and tec…