SUBIN AN
Union City
Summary
Dynamic quality and supplier development leader with extensive experience at Lucid Motors, driving component validation and quality planning initiatives. Expert in data analytics and continuous improvement, leveraging Python and Minitab to enhance process capabilities. Proven track record in managing cross-functional teams and achieving compliance with industry standards.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Manager, Supplier Industrialization Engineering, PWT, Battery
Lucid Motors
Newark
08.2025 - Current
- Led supplier qualification and component validation activities for battery cells and PCB assemblies, ensuring compliance with product reliability, functional test, and quality requirements prior to mass production.
- Managed APQP schedules for battery cell, PCBA, and pack system commodities, leading cross-functional discussions with suppliers to define design validation plans, EOL test requirements, and manufacturing readiness milestones.
- Established battery EOL tester development checklists, aligned milestones with each product development phase, and verified hardware/software requirements to improve test readiness and supplier execution.
- Established data pipelines and cloud-based data-sharing processes with suppliers for collecting, storing, and monitoring incoming inspection and process validation data, enhancing traceability and supporting data-driven quality decisions.
- Partnered with suppliers and internal teams to define statistical quality inspection methodologies, including sampling plans, confidence levels, and acceptable error margins using JMP, Minitab, and Python for process capability and reliability analysis.
- Created and standardized supplier capacity and process audit checklists, training internal teams on quality validation methodologies to minimize process deviations across engineering functions.
Sr. Quality Manager, Battery Quality Development
Hyundai Motor Company
Seoul
10.2023 - 08.2025
- Managed advanced product quality planning (APQP) and production part approval process (PPAP) for new battery projects, ensuring compliance and quality standards.
- Led supplier quality management for high-voltage battery components, ensuring compliance with company standards and industry regulations.
- Oversaw supplier qualifications, audits, and continuous improvement initiatives to maintain high-quality deliverables.
- Collaborated with engineering, purchasing, and manufacturing teams to resolve supplier issues, enhancing production quality.
- Analyzed supplier performance data and drove corrective action processes (8D, 5Why, Ishikawa) for systemic problem-solving.
- Worked closely with major battery suppliers, including Hyundai Mobis, CATL, SK ON, Samsung SDI, and LG Energy Solution, to drive quality improvements and successful project execution.
- Participated in the development of key electric vehicle models, including the Ionic and EV6 series, contributing to battery system quality and supplier integration.
Quality Engineer, Model Y Battery Module
Tesla, Inc.
Austin
03.2022 - 09.2023
- Development of manufacturing requirements, quality standards, and product quality plans to ensure products will meet customer expectations for the Model Y battery.
- Led development of FMEAs (Design & Process) for development teams to identify and address critical risks.
- Supported development of Model Y module manufacturing equipment, controls, and test plans, addressing risks identified in FMEA.
- Utilized Python and MySQL to perform data extraction, transformation, and loading (ETL), enhancing data quality and reducing data redundancy.
- Collaborated with cross-functional teams to design, develop, and implement scalable ETL processes, ensuring data accuracy and integrity across all systems.
- Designed experiments through DOE and other methods to assist design teams in investigating alternatives and validating designs.
- Utilized Tableau to create interactive and user-friendly dashboards that visualize complex data sets and effectively communicate insights to stakeholders across the organization.
Quality Engineer
SK Battery America
Commerce
07.2020 - 03.2022
- Established electrode quality inspection lab utilizing advanced analysis tools to assess cell chemical and physical characteristics, including metal particles, magnetic foreign substances, adhesion, and loading weight.
- Contributed to development of dual-layer coating project TFT, enhancing cell exfoliation and adhesion, increasing VW MEB/FORD coating speed from 70m/min to 90m/min.
- Implemented SPC for Busbar assembly station and aligned process to minimize downtime. X-Bar R analysis was continuously enforced alignment of the torque area that achieved 4 sigma accuracy before SOP.
- Inspected incoming cell and module raw materials to verify compliance with quality standards.
- Completed 2 of electrode Production Line verification based on the following certification requirements.
Manufacturing Engineer, Assistant Manager
SEOYON E-HWA Interior Systems (Hyundai Automotive Tier 1)
Montgomery
05.2018 - 06.2020
- Managed new model project to ensure compliance with ISO 14001 and IATF 16949 standards.
- Designed Fanuc robot for injection packaging and made 2-4 channel switching control box (PLC).
- Rebalanced TMA assembly line through time studies and process flow analysis to optimize workflow.
- Utilize PFMEAs and Control Plans to reduce customer complaints & error proof analysis.
- Evaluated and upgraded Poka-Yokes throughout production processes.
- Design testing methods and test finished products or process capabilities to establish standards or validate process.
- Performed designing of hardware, and software modification as required technical support for SOP.
- Designed Fanuc robot for injection packaging and made 2-4 channel switching control box (PLC).
- Completed and utilized 8D Problem Solving training to implement corrective action.
Process Engineer, Specialist
PHA Body Systems (Hyundai Automotive Tier 1)
Montgomery
01.2017 - 05.2018
- Analyzed capital expenditures and project designs to identify cost-saving opportunities.
- Managed layout of equipment and workspaces to enhance operational efficiency.
- Participated in development stage and supported new model PFMEA and PTR.
- Supported technical service as PLC, Robot programming, vision inspection, and servo control.
- Updated PLC and HMI programs by integrating material characteristics based on experimental data.
- Composed internal technical component manual for future project.
Education
Master of Science - Data Science
University of San Diego
San Diego, CA, US12-2024
Bachelor of Engineering - Mechanical Engineering
Dong-Eui University
Pusan, South Korea02-2017
Skills
- Supplier development
- Quality planning
- Component validation
- Process control
- Failure mode analysis
- Continuous improvement
- Data analytics
- ETAS INCA
- MATLAB
- PYTHON
- Minitab
- SQL
- R
- 3D modeling
- Product design
- Time management
Certification
Six Sigma Green Belt Certificate by Korean Standards Association
Technical Skill
- CAN/Language: ETAS INCA; MATLAB; PCTRAN; PYTHON; Minitab; SQL; R
- CAD/Simulation: CATIA; AutoCAD; Micro Station; PLC
Engineering Project
Baja Competition 2016, Society of Automotive Engineers, 02/16, 02/17, Conducted finite element analysis to validate vehicle structure crashworthiness., Designed and manufactured a single person, strong off-road vehicle that will survive on rough terrain., Used high precision technology tools (CNC and 3D Print) to manufacture the vehicles as it is designed.
Timeline
Manager, Supplier Industrialization Engineering, PWT, Battery
Lucid Motors
08.2025 - Current
Sr. Quality Manager, Battery Quality Development
Hyundai Motor Company
10.2023 - 08.2025
Quality Engineer, Model Y Battery Module
Tesla, Inc.
03.2022 - 09.2023
Quality Engineer
SK Battery America
07.2020 - 03.2022
Manufacturing Engineer, Assistant Manager
SEOYON E-HWA Interior Systems (Hyundai Automotive Tier 1)
05.2018 - 06.2020
Process Engineer, Specialist
PHA Body Systems (Hyundai Automotive Tier 1)
01.2017 - 05.2018
Master of Science - Data Science
University of San Diego
Bachelor of Engineering - Mechanical Engineering
Dong-Eui University