Assembly Process Engineer - 3C Battery
On-site · Cheonan, Chungcheongnam-do, South Korea
Job Summary
Assemble and optimize pouch cell assembly processes for Silicon Power Cell line in Cheonan, South Korea. Lead development and optimization of pouch stacking, define process windows and CTQs, establish SOPs/PFMEA/Control Plans, adapt processes for silicon anode volume expansion, collaborate with R&D and electrode teams to assess silicon anode impact on stacking flatness and sealing integrity, drive DOE/SPC-based analysis to identify root causes, transfer assembly processes from lab to mass production, and target yield improvements while supporting equipment qualification and CAPA closures. Requires hands-on experience in lithium-ion pouch cell assembly, strong knowledge of DOE/SPC/5-Why/fishbone methods, familiarity with DFMEA/PFMEA/APQP/IATF16949, and a Bachelor’s degree or higher in a related engineering field.
Required Qualifications
- Bachelor's degree or higher in Mechanical Engineering, Materials Science, Chemical Engineering, or related field
- 3+ years of hands-on experience in lithium-ion pouch cell assembly process development or manufacturing
- At least 2 years of experience in pouch stacking cell assembly processes
- Led or substantially contributed to at least one full NPI or mass production ramp-up project
- Deep understanding of pouch stacking cell structures and key assembly control points
- Experience with silicon anode pouch cell assembly or high-expansion electrode systems preferred
- Familiar with process qualification frameworks (DFMEA → PFMEA → CP → SOP)
- Basic mechanical assembly knowledge; ability to interpret mechanical drawings and understand assembly tolerances
- Proficient in DOE, SPC, and data analysis tools
- Experience with defect analysis methodologies (5-Why, fishbone, 8D)
- Experience with pilot line or new production line setup from 0 to 1 (preferred)
- Familiar with IATF 16949 and APQP systems (preferred)
- Have a Bachelor's degree or higher in Mechanical Engineering, Materials Science, Chemical Engineering, or related field
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