Demand Planner Manager Jobs (NOW HIRING)

Demand Planner at Glanbia

Join this dynamic team focused on delivering better nutrition for every step of life's journey!

The Opportunity

The Demand Planner plays a critical role in the North America Demand Planning process by owning and developing accurate 18-month rolling forecasts for assigned customer accounts. This position partners with Sales, Supply Planning, and cross-functional stakeholders to build a consensus-based demand plan that supports business performance and supply chain efficiency.

This role requires strong analytical capabilities and the ability to build effective working relationships to establish a shared understanding of key demand drivers. The Demand Planner analyzes data, identifies trends, and supports the development of actionable insights to improve forecast accuracy and reduce bias.

By owning account-level forecasts and contributing to data-driven decision-making, this role supports improved alignment, planning effectiveness, and overall demand plan performance.

Key Responsibilities

• Develop, maintain, and continuously improve accurate 18-month rolling forecasts for assigned accounts; lead the monthly IBP (Integrated Business Planning) demand planning collaboration process with Sales and customers by leveraging data and insights to influence alignment and outcomes
• Create, modify, and analyze forecasting metrics (accuracy, bias, forecast value add) to identify improvement opportunities and enhance forecast performance; analyze weekly POS, inventory, shipments, and demand signals, translating findings into clear, actionable insights for stakeholders
• Act as the primary demand planning point of contact for assigned accounts, partnering with Sales and Supply Planning to confirm product availability, align on demand assumptions, and incorporate promotions, new items, and risks and opportunities into the forecast
• Support continuous improvement initiatives by assisting with ad hoc analysis, tools, and projects that enhance forecasting processes, data visibility, and overall team effectiveness

• Own and maintain accurate 18-month rolling forecasts for assigned accounts; partner with Sales and Supply Planning to incorporate demand drivers, promotions, and new product initiatives into the demand plan
• Analyze historical performance (shipments, POS, forecast metrics) alongside forward-looking assumptions to make timely, data-driven adjustments in a dynamic environment
• Aggregate and evaluate key demand drivers including historical trends, seasonality, promotions, and customer-specific POS and inventory data to improve forecast reliability
• Apply forecasting best practices using statistical models, system tools, and data-driven insights to continuously improve forecast accuracy and reduce bias
• Identify root causes of forecast variances and proactively recommend corrective actions and process improvements

Minimum Qualifications

• Bachelor's degree in Accounting, Business, Supply Chain Management or related area; APICS/IBF or other advanced degree preferred
• 3 years of related experience
• Progressive experience in demand planning, forecasting, or supply chain analytics within a CPG or similarly fast-paced environment preferred; demonstrated ability to translate data into business insights and influence cross-functional stakeholders.

Where And How You Will Work  

• This opportunity will be based at our Downers Grove, IL location.

What We Would Like to Offer You 

The opportunity to develop your career on a global stage, continuous learning through an on-demand learning platform, and a competitive compensation package including staff discounts, generous family leave policy, health & dental plan, competitive salary, 401K. Glanbia provides a reasonable range of compensation for roles that may be hired in Illinois. This range may not be applicable to other locations. Factors that could be used to determine your actual salary may include your specific skills, years of experience and comparison to current employees already in this role. Annual salary for IL-based employees for this role is $75,000 to $95,000.

About Glanbia 

Glanbia is a better nutrition company with three divisions: Performance Nutrition, Health & Nutrition and Dairy Nutrition. Collectively and with our partners we offer an incredible breadth of expertise in nutrition. We employ a team of 5800 people, work with global food and beverage companies, and sell our award-winning and market-leading brands and ingredients in more than 100 countries worldwide

At Glanbia, we celebrate diversity, because we know that our individual strengths make us stronger together. We welcome and encourage interest from a variety of candidates, we will give your application consideration, without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status.

At Glanbia, our culture celebrates individuality, knowing that together we are more.