Supplier Quality Engineer

Position Summary

ON.energy is seeking a Supplier Quality Engineer to support supplier quality activities related to battery energy storage systems (BESS) across the equipment lifecycle. Key responsibilities include supplier selection, evaluation, and qualification; supplier process audits; factory acceptance testing (FAT); and field support during installation and commissioning.

Key Responsibilities

• Drive Supplier Selection, Evaluation and Qualification based on company's Supplier Quality processes and tools.
• Support the definition and documentation of Supplier Quality processes in compliance with ISO 9001 and other applicable requirements.
• Perform supplier process audits at new and existing vendors to evaluate manufacturing processes, production controls, and supplier quality systems in alignment with company standards and ISO 9001 requirements.
• Ensure all activities related to the Supplier Audit process are properly maintained and executed, including the Audit Planning and Reporting documentation.
• Update the supplier quality database (Documents Control).
• Manage supplier related quality issues, guiding the root-cause analysis and implementation of corrective actions and process improvements, ensuring effective and sustainable solutions are in place.
• Review and approve supplier quality documentation, including Inspection & Test Plans (ITPs), FAT procedures, Control Plans and / or quality control documentation packages.
• Participate in Factory Acceptance Tests (FATs) at OEM and ensure test results and documentation meet approved criteria.
• Identify, log, and track non-conformances (NCRs); drive timely root cause analysis and corrective actions with vendors.
• Review and validate supplier material traceability records, certificates, and inspection reports.
• Collaborate with Engineering and Supply Chain to qualify new vendors and support supplier onboarding.
• Provide supplier performance feedback and input to quality metrics and supplier scorecards.
• Maintain complete, accurate, and traceable quality documentation packages for each project.
• Support development and continuous improvement of quality standards, templates, and best practices across equipment types.
• Evaluate supplier manufacturing processes and production controls to ensure suppliers can consistently meet technical and quality requirements.

Must Have Qualifications

• Bachelor’s degree in Electrical, Industrial, or Quality Engineering (or equivalent hands-on experience)
• 3-7 years of experience in supplier or product quality engineering within the energy or manufacturing industry
• Hands-on experience with electrical power systems, BESS, inverters, transformers, switchgear, or other similar equipment
• Experience with supplier process audits including evaluating supplier manufacturing processes (VDA 6.3 or similar process audit frameworks are a plus)
• Working knowledge of quality management systems (ISO 9001) and manufacturing quality tools (8D, SPC, PFMEA, control plans, FAI / PPAP)
• Familiarity with relevant codes and standards (IEEE 1547, UL 9540/9540A, IEC, ISO 9001, NEC) and general equipment test protocols
• Strong analytical and problem-solving skills with a practical understanding of manufacturing processes
• Willingness to travel (up to 75%) to vendor locations (domestic and international) and project sites
• Excellent communication and documentation abilities; capable of interfacing effectively with suppliers and cross-functional teams

Preferred Qualifications

• Experience with Tier 1 energy equipment manufacturers
• CQE (Certified Quality Engineer) and ISO 9001 Lead Auditor certification
• Familiarity with quality management tools, NCR tracking tools, and dashboard reporting
• Experience supporting supplier quality activities during New Product Introduction (NPI)