Inventory Manager - Battery Mass Production
Factorial EnergyCheonan, South Korea
Full Time
Posted August 14, 2026
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Job Description
Factorial Energy is a pioneering U.S.-based solid-state battery company driving the future of energy storage and electrification.
Key Responsibilities
- Factorial Energy is seeking an Inventory Manager - Battery Mass Production to join our team in Cheonan, South Korea. This person will be responsible for managing raw material and finished goods inventory, ensuring inventory accuracy, coordinating material movements to support battery mass production, and optimizing inventory control processes across the supply chain. The Ideal candidate will have strong experience in inventory management within a manufacturing environment, excellent organizational and communication skills, and the ability to work cross-functionally in a fast-paced production setting. Fluency in English is required.
- Manage inventory of raw materials, consumables, WIP, and finished battery products.
- Ensure accurate inventory transactions and maintain high inventory accuracy in ERP/MES/WMS systems.
- Coordinate material receiving, storage, internal transportation, and shipping activities.
- Support production by ensuring timely material supply to manufacturing lines.
- Monitor inventory levels and work closely with Supply Chain and Production Planning to prevent shortages or excess inventory.
- Lead cycle counts, physical inventories, and inventory reconciliation activities.
- Optimize warehouse layout, storage methods, and material flow to improve efficiency.
- Ensure FIFO/FEFO and proper handling of battery materials and finished goods.
- Collaborate with Quality, Production, Logistics, and EHS teams to resolve inventory and material issues.
- Develop and implement inventory control procedures and continuous improvement initiatives.
- Ensure compliance with safety regulations and company warehouse standards.
- Lead and develop warehouse supervisors, inventory coordinators, and material handlers.
Requirements
- 5+ years of inventory, warehouse, or logistics management experience in a manufacturing environment.
- Experience in battery, automotive, semiconductor, electronics, or other high-volume manufacturing industries is preferred.
- Strong knowledge of inventory control, warehouse operations, and material flow management.
- Experience with ERP, MES, and Warehouse Management Systems (WMS).
- Proficiency in Microsoft Office, especially Excel.
- Experience in lithium-ion battery cell mass production.
- Forklift operator certification/license is highly preferred.
- Knowledge of Lean Manufacturing, 5S, and warehouse optimization.
- Experience handling hazardous materials and battery-related logistics.
- Experience supporting high-volume manufacturing operations.
- Work Location: Cheonan, South Korea
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