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Manufacturing Process Engineer, Battery

Harbinger Motors - Garden Grove, CA, United States - In-office - posted 2026-10-21

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Salary: USD 100,000 - 150,000 / annual

Harbinger is an American commercial electric vehicle (EV) company focused on transforming the medium-duty EV and hybrid market. The company brings together deep expertise in EV, battery, and drivetrain engineering to develop a first-of-its-kind platform. The Manufacturing Process Engineer for Battery will serve as the primary engineering resource supporting daily production operations while driving continuous improvement across safety, quality, delivery, and cost. This role works closely with Operations, Quality, Supply Chain, Maintenance, and Product Engineering teams to resolve manufacturing issues, optimize processes, implement engineering changes, and ensure products meet specification. Key responsibilities include: - Resolving manufacturing, safety, quality, and production issues with escalation protocols to minimize production impact - Developing and maintaining standard work instructions, process flows, PFMEAs, and control plans - Training and coaching technicians on updated manufacturing procedures - Leading root cause analysis investigations using methodologies such as 5 Why, Fishbone, DOE, and Pareto analysis; implementing corrective actions and supporting containment/recovery activities - Driving continuous improvement initiatives focused on throughput, cycle time, OEE, yield, and cost reduction via Lean/Six Sigma - Supporting engineering change orders (ECOs), new product introductions, part revisions, and process enhancements to MES and traceability systems - Managing line balancing, capacity planning, ergonomics, and workflow optimization Requirements: - Bachelor's degree in Manufacturing, Mechanical, Industrial Engineering, or related field - 3+ years of experience with battery manufacturing processes (cell to module and module to pack integration); experience in high-volume battery, automotive, EV, aerospace, or industrial production preferred - Knowledge and adherence to safety protocols for hazardous materials and toxic chemicals used in HV battery manufacturing - Strong knowledge of Lean Manufacturing, Six Sigma, and RCCA (Root Cause Corrective Action) - Experience with MES, ERP, quality systems, and manufacturing data analysis (JIRA/Confluence) - Strong communication and cross-functional leadership skills

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