Demand Planner III

Overview

Forecasting Demand Planner III is responsible for the development and maintenance of the demand plan for assigned finished goods, managing statistical forecasts in a planning system, leading collaboration with internal and external stakeholders around demand inputs, and delivering excellence in forecasting via metrics and KPIs. The position works closely with SIOP, sales/marketing, finance and product organizations to align demand plans with company goals connected to customer delivery and inventory management.

This role supports our Enterprise division in Roswell, GA (Onsite).

• Proactively identify relevant demand trends and portfolio impacts, leveraging data analytics and new product forecast refinement.
• Develop and maintain monthly, quarterly, and annual demand forecasts using statistical models and business and customer intelligence.
• Analyze historical data, market trends, and promotional activities to improve forecast accuracy on a SKU‑DC planning level.
• Maintain demand planning systems and ensure data integrity within master data of planning attributes.
• Manage product lifecycle on a SKU level in the demand planning system to ensure right seasonality and trends are applied to forecast patterns.
• Generate reports and dashboards to communicate forecast accuracy, demand trends, and KPIs to SIOP stakeholders.
• Own and maintain SIOP Demand Review content for monthly business reviews with sales and supply organizations.
• Monitor forecast accuracy KPIs through exception reports to ensure bias is minimized.
• Work with Supply Chain to identify opportunities for improvement related to demand planning and forecast attainment metrics through Continuous Improvement efforts and planning system parameters.
• Lead cross‑functional product, customer, sales, and SOE meetings to communicate, align, and optimize demand plans with operations execution.
• Lead the demand planning consensus process, taking into account inputs from statistical models, sales and marketing insights, and other analyses while collaborating with cross‑functional teams.
• Review, scrub, and analyze the forecast through scrutiny of variances, historical sales trends, rolling averages, year‑over‑year data, research of demand drivers, and other customer and market changes.
• Ensure the agreed consensus forecast is passed accurately and at the appropriate level of detail to the production planning systems, on a timely basis.
• Escalate any supply chain related issues for awareness and action using the correct sense of urgency.
• Adapt to evolving needs of Planning and Business and work cross‑functionally.
• Manage various ad‑hoc reports from large, complex data sets using Excel.
• Lead and own master data in support of efficiency and accuracy in plans.
• Improve and automate supporting processes.
• Other duties as required.

• B.S. or B.A. preferably in supply chain and/or SIOP.
• 5+ years of experience in demand planning and sales forecasting.
• Good working knowledge of Microsoft Excel and a high degree of comfort learning and working with networked computer systems.
• Excellent analytic skill.
• Strong systematic problem‑solving ability.
• Superior written and verbal communication.

• APICS certification.

At Rheem, we engineer products for life. For home life. For work life. For the life of the planet we all share. Backed by over 100 years of expertise, we’re passionate about product innovation and boldly committed to sustainability. Our full line of global air and water solutions deliver reliable performance, comfort and energy savings for residential and commercial applications worldwide.

From engineers to accountants, sales professionals to support experts, Rheem depends on people to power our innovations. Join Rheem and help shape the future of products that impact lives—every day.

• Listening to Understand – Open mind, learning from others, accepting feedback, embracing the objective.
• Contributing Respectfully – Sharing opinions, valuing ideas, sharing opposing perspectives with respect.
• Thinking Creatively – Applying creativity, seeking improvements, understanding from the customer’s lens.
• A…