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Supplier Quality Engineer, High Voltage Systems

Harbinger Motors - Garden Grove, CA, United States - In-office - posted 2026-10-13

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Salary: USD 120,000 - 180,000 / annual

Harbinger Motors is an American commercial electric vehicle (EV) company developing innovative medium-duty EV and hybrid platforms. The Supplier Quality Engineer (High Voltage Systems) will work cross-functionally with Engineering, Suppliers, Purchasing, and Manufacturing teams to define and implement supplier quality engineering processes, drive continuous improvement, and maintain Harbinger's quality management system (QMS). Key Responsibilities: - Develop and implement supplier quality standards, supplier quality portal, and processes tailored to high-voltage components and electromechanical assemblies - Inspect and test materials, equipment, processes, and high-voltage products (battery modules/packs, inverters, power distribution units, wiring harnesses, connectors) to ensure safety and quality specifications - Conduct supplier assessments and evaluations to ensure compliance with high-voltage manufacturing and electrical safety standards - Plan and conduct supplier audits to assess quality systems, production control processes, insulation testing, and technical capabilities - Participate in supplier selection by providing quality-related and high-voltage compliance input - Lead weekly calls with suppliers to ensure high-voltage components meet quality, safety, and timing requirements - Monitor and report on supplier performance metrics (defect rates, electrical test yields, delivery times, specification compliance) - Identify improvement areas and work with suppliers on root cause analysis and corrective actions (8D, 5-Why) - Investigate and resolve quality issues related to high-voltage components, insulation integrity, and electrical interlocks - Collaborate on robust corrective and preventive actions (CAPA) - Lead continuous improvement initiatives to enhance supplier quality, safety compliance, and performance - Work with suppliers to implement lean manufacturing, automated end-of-line testing, and quality improvement methodologies - Maintain accurate records of supplier quality performance, high-voltage test data, audits, and corrective actions - Ensure supplier compliance with industry standards, high-voltage safety regulations (ISO 6469, UL/IEC standards), and company policies - Stay updated on changes in industry standards affecting high-voltage safety and automotive electrification - Lead supplier audits, APQP, PPAP, Gauge R&R, electrical testing validation, and safe launch activities - Participate in Design for Manufacturability/Assembly (DFM/DFA) and high-voltage risk mitigation reviews - Lead Material Review Board (MRB) meetings and act as quality representative for engineering change control board Requirements: - Bachelor's degree in Electrical Engineering, Mechatronics, Mechanical Engineering, Manufacturing Engineering, or similar technical field (required) - 3–7 years of experience in manufacturing quality or supplier quality engineering in automotive, EV/e-mobility, aerospace, or power electronics industries - Hands-on experience or familiarity with high-voltage systems, electric vehicle architecture, high-voltage safety (EHS/NFPA 70E), insulation resistance testing (hipot), battery systems, inverters, or HV harness assemblies - ASQ Certifications such as Certified Quality Engineer (CQE), Certified Quality Auditor (CQA), Certified Quality Manager (CQM), Lean Six Sigma Green Belt, or higher (preferred) - Strong knowledge of ISO 9001:2018 or IATF 16949 standards (strongly desired) - Understanding of core quality tools: Quality Management Systems, Supplier/Internal Audits, APQP, SPC, PPAP, FMEA (DFMEA/PFMEA), MSA - Strong analytical and problem-solving skills with excellent verbal, written, and interpersonal skills - Excellent project management skills with ability to manage multiple supplier projects simultaneously - Strong understanding of electromechanical components, printed circuit board assemblies (PCBA), high-voltage connectors/cabling, bussing, thermal management systems, and high-voltage enclosure manufacturing processes - Ability to travel domestically and internationally up to 30–50% - Proven experience in quality engineering role within high-voltage, EV, or automotive production environment - Strong knowledge of quality assurance methodologies, electrical testing/validation tools, and root cause analysis techniques - Experience with supplier quality management, including auditing suppliers of complex electrical or electromechanical components - Proficiency in quality management systems (QMS) and relevant software applications

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