Demand Planner

Winpak • Chicago Heights, IL

2h • Onsite

About The Position

Winpak Portion Packaging is seeking a Demand Planner to join their Supply Chain team in South Chicago Heights, IL. In this role, you will help drive production efficiency and inventory performance by translating demand signals into actionable plans that support customer service, plant operations, and business goals. This is an excellent opportunity for a highly analytical supply chain professional who enjoys working cross-functionally and making a measurable impact in a fast-paced manufacturing environment. You will play a key role in improving forecast accuracy, managing inventory flow, and supporting efficient planning across multiple operations.

Requirements

• Bachelor’s degree in Business, Supply Chain, or a related field.
• Experience in demand planning, production planning, inventory management, or supply chain planning within a manufacturing environment.
• Experience analyzing data, forecasts, and inventory trends to support operational decision-making.
• Ability to identify risks, constraints, and opportunities across the supply chain.
• Experience working cross-functionally with internal stakeholders such as Sales, Product Management, Operations, and Supply Chain.
• Working knowledge of MRP/ERP systems and planning tools.
• Effective communication, organization, and problem-solving skills.

Nice To Haves

• Experience supporting multi-site planning in a manufacturing environment.
• Background in forecasting, inventory optimization, or capacity planning.
• Experience in food packaging, manufacturing, or other regulated production environments.
• Knowledge of production processes such as thermoforming, injection molding, printing, or related operations.

Responsibilities

• Manage multi-site production and capacity planning activities to support operational efficiency across manufacturing processes.
• Monitor inventory levels and help maintain target service levels for customers and the business.
• Analyze demand trends, inventory flow, and planning data to support accurate forecasts and production plans.
• Identify supply chain constraints, risks, and planning challenges that could impact long-term performance.
• Partner closely with Sales and Product Management to improve forecast accuracy and planning effectiveness.
• Support inventory management strategies for finished goods and raw materials to optimize supply chain performance.
• Review and validate planning inputs, system data, and scheduling assumptions to ensure accuracy.
• Use MRP/ERP system functionality to support planning, scheduling, and inventory management activities.
• Help address demand-related issues quickly and support mitigation planning when needed.
• Oversee purchasing activities to ensure adequate material availability and appropriate inventory levels are maintained to support manufacturing requirements.

Benefits

• Medical, dental, vision & prescription coverage
• Travel coverage
• Disability coverage
• Voluntary life insurance
• Life and accidental death & dismemberment insurance
• Tuition assistance program
• Retirement savings plans
• A comprehensive employee and family assistance program which includes short term counselling, wellbeing coaching, financial and legal consultations services.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 501-1,000 employees