Senior / Staff Cell Stacking Equipment Engineer
Factorial EnergyCheonan, South Korea
Full Time
Posted August 4, 2026
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Job Description
Cheonan, South Korea
Key Responsibilities
- Factorial Energy is seeking a Senior / Staff Cell Stacking Equipment Engineer to join our team in our Cheonan, South Korea, location. This person will be responsible for owning the full-cycle development, commissioning, customization, optimization, and mass production scaling of automatic stacking equipment for our Silicon Power Cell pouch cell line. The Ideal candidate will lead new stacking process equipment R&D, prototype debugging, pilot verification, and mass production iteration; deliver equipment technical upgrades, OEE & yield improvement; and build a standardized equipment management system.
- Lead full-lifecycle development, commissioning, and mass-production validation of automatic stacking equipment, iterate process parameters, and complete equipment adaptation for new product launch.
- Conduct equipment review, FAT/SAT acceptance and IQ/OQ/PQ qualification, and unify precision control standards for stacking equipment.
- Upgrade and retrofit mass-production stacking machines to improve OEE, yield and line capacity, and reduce production costs.
- Optimize stacking fixtures, protection structures and process parameters to stabilize production, improve cell consistency and support rapid multi-spec product changeover.
- Collaborate with cross-functional teams and external vendors to promote new line startup, equipment development and technical renovation.
- Optimize stacking machine structure, tension control, CCD positioning and compaction logic to adapt silicon anode expansion, eliminate stacking misalignment, separator wrinkles and other key defects.
- Lead equipment technical transfer from lab/pilot EVT/DVT/PVT to mass production, identify production bottlenecks and drive sustained yield improvement.
- Adopt 8D, DOE, SPC, and root-cause analysis to resolve typical stacking defects, drive cross-functional troubleshooting, and close CAPA for recurrent failures.
Requirements
- Bachelor’s degree or above in mechanical, mechatronics, electrical automation, materials, chemical engineering, or related fields.
- 3+ years of experience in pouch cell stacking equipment development, retrofit, and production ramp-up.
- 2+ years of professional experience in stacking machine structure and control logic; skilled in precision, tension, thermal pressing, CCD positioning, and compaction parameter tuning.
- Capable of mechanical/electrical drawing reading and CAD/SolidWorks fixture design; familiar with servo control, tension system, CCD vision and temperature-pressure closed-loop systems.
- Proficient in DOE, PFMEA, Control Plan, 8D and root cause analysis; independent in equipment troubleshooting and technical optimization.
- Experienced in pouch cell stacking line NPI and mass production ramp-up projects.
- Equipped with cross-functional coordination, project management, and vendor communication abilities; competent in on-site troubleshooting and English technical documentation.
- Proficient in English for technical document reading, global meetings, and technical report delivery.
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