Assistant Quality Assurance Manager

The Assistant Quality Manager supports the development, implementation, and continuous improvement of quality systems and processes for Energy Storage System (ESS) products. This role ensures product quality, drives defect reduction, and maintains compliance with internal standards and external regulations.

• Perform quality inspections for incoming materials, in-process production, and final product shipments
• Develop and maintain standard operating procedures (SOPs), control plans, and inspection criteria
• Monitor product quality metrics, including yield and defect rates, and drive continuous improvement through data analysis

• Plan and execute electrical, mechanical, and environmental testing for ESS packs and components
• Lead reliability and lifecycle testing at the system level
• Analyze test data and defects; implement corrective actions and generate detailed reports

• Manage customer complaints, including root cause analysis (RCA) and corrective/preventive actions (CAPA)
• Support customer audits and maintain clear, timely communication on quality issues
• Provide technical support for field issues, including return material authorization (RMA) processes

• Support and maintain compliance with quality standards such as ISO 9001, IATF 16949, and ISO 14001
• Prepare for and participate in internal and external audits
• Maintain quality documentation, including manuals, procedures, and records

• Evaluate, qualify, and audit suppliers to ensure consistent quality performance
• Monitor incoming material quality and collaborate with suppliers on corrective actions
• Ensure quality compliance in outsourced manufacturing and component sourcing

• Bachelor’s degree or higher in Electrical, Electronics, Mechanical, Chemical, Materials Engineering, or a related field
• 2–4 years of experience in quality management within manufacturing, preferably in battery or ESS industries
• Proficiency with quality tools and methodologies (FMEA, 8D, SPC, MSA, 5 Whys, Fishbone)
• Experience with inspection and testing systems (e.g., LIMS, MES, ERP)
• Strong analytical and problem‑solving abilities
• Effective communication and cross‑functional collaboration skills
• Proficiency in English (written and verbal)

• Proficiency in Korean (written and verbal)
• Hands‑on experience with battery pack or ESS quality control
• Understanding of Battery Management Systems (BMS) and Power Conversion Systems (PCS)
• Experience working with global customers and international regulatory standards
• Certifications such as Six Sigma (Green Belt/Black Belt) or ISO‑related credentials