Position: Demand Planning Manager Location: Buena Park Job Responsibilities: • Establish and maintain corporate policies related to supply chain matters for imported, OEM, and in-house manufactured products. • Manage S&OP and capacity planning, including planning, forecasting, procurement/sourcing, warehousing, scheduling, and transportation for imported, OEM, and in-house manufactured products, in collaboration with HQ. • Oversee the shipping and receiving process of imported products, including logistics from export locations to customer destinations. • Optimize the supply chain by coordinating sales demand, manufacturing, transportation, and warehouse resources to ensure on-time service to customers while maximizing revenue. • Manage the weekly demand plan based on the latest sales forecast and customer order trends with statistical analysis. • Develop a master supply plan aligned with the demand plan, and reconcile supply restrictions in production, replenishment, imports, etc. • Develop product transfer plans among facilities and create a monthly forecast by estimating inventory levels at each facility. • Analyze shortages and overages, taking appropriate actions to minimize risk. • Update S&OP operation results in weekly/monthly S&OP meetings and coordinate with relevant departments, including Sales, Marketing, Production, and Purchasing. • Review orders for accuracy and compliance with company procedures, and recommend vendors that offer better quality, service, or pricing. • Develop reports on budgets and manage costs within established standards; assist with ad-hoc responsibilities as assigned by the Division Manager. • Perform project-related duties and other tasks as assigned. Skills/Qualifications: • Bachelor's Degree in Supply Chain Management, Business, Finance, or a related field. • 7+ years of experience in supply chain management, particularly in demand planning. • Strong project management and analytical skills; experience in forecasting and cost accounting preferred. • Excellent verbal and written communication skills. • Intermediate proficiency in MS Office (Outlook, Excel, Word, and PowerPoint). • Strong interpersonal, organizational, and time management skills. • Ability to develop, interpret, and report key performance indicators to measure supply chain performance. • Previous experience with SCP systems (e.g., Kinaxis, JDA, SAP) is preferred but not required. • Bilingual in Korean is preferred.