Production Planner (Bilingual English/Korean)

Woojin ISA•Gardena, CA

3d•Onsite

About The Position

The Production Planner is responsible for developing and managing production schedules to ensure timely manufacturing and delivery of products. This role coordinates demand, materials, and capacity to optimize efficiency while minimizing delays and inventory imbalances.

Requirements

Bachelor’s degree in Supply Chain, Operations, Business, or related field (or equivalent experience)
2–5+ years of experience in production planning, scheduling, or supply chain
Strong analytical and organizational skills
Experience with ERP/MRP systems (e.g., SAP, Oracle, NetSuite)
Advanced Excel skills (pivot tables, data analysis)
Ability to manage multiple priorities in a fast-paced environment
Strong communication and coordination skills
Bilingual English, Korean

Nice To Haves

Experience in a manufacturing environment
Knowledge of demand planning or forecasting
APICS certification (CPIM) is a plus

Responsibilities

Create and maintain daily, weekly, and monthly production schedules
Align production plans with customer orders, forecasts, and inventory levels
Prioritize work orders and adjust schedules based on changing demands
Monitor schedule adherence and communicate deviations
Ensure availability of raw materials and components for production
Coordinate with procurement on material shortages and lead times
Track inventory levels and support inventory control efforts
Generate and manage work orders within ERP/MRP systems
Maintain accurate data including BOMs, lead times, and routing
Analyze system outputs to improve planning accuracy
Collaborate with Production, Warehouse, Procurement, Engineering, and Korea HQ
Communicate schedule changes, risks, and priorities clearly
Support any production schedule and engineering changes
Track key metrics such as schedule adherence, on-time delivery, and inventory levels
Identify planning gaps and recommend improvements
Prepare reports for management on production performance