Demand Planner Manager

PrimeSource Building Products•Irving, TX

About The Position

Reporting to the Director of Demand Planning, the Manager of Demand Planning oversees the full demand planning function, ensuring accurate, timely, and insight-driven forecasts across all product lines and customer segments. This role leads a team of Demand Planners, guiding the development of robust forecasting models and driving alignment across Sales, Marketing, Finance, Product, and Supply Chain. The Manager serves as the strategic integrator between commercial and operations teams, championing continuous improvement in forecasting processes, tools, and cross-functional collaboration. This position is a key leader in the monthly consensus forecasting cycle and a core contributor to the SIOP process, ensuring demand signals are clear, actionable, and aligned with organizational strategy.

Requirements

6+ years of experience in demand planning, forecasting, inventory management, or supply chain; 2+ years in a supervisory or managerial capacity preferred.
Strong proficiency in forecasting methodologies, statistics, and the financial/operational impacts of demand signals.
Experience leading root cause analysis and continuous improvement initiatives to improve forecast accuracy.
Demonstrated leadership capability, coaching, performance management, and change leadership.
Strong analytical, organizational, communication, and executive presentation skills.
Ability to influence and collaborate across all levels and business units.
Bachelor’s Degree in Business Management, Economics, Statistics, Business Analytics, Supply Chain Management, or a related field; or equivalent experience.
Strong proficiency in Microsoft Office (Excel required).

Nice To Haves

Experience in fasteners, building supplies, wholesale distribution, or similarly complex supply chain networks, preferred.
Knowledge of advanced demand planning systems and SIOP processes, preferred.
Experience with Tableau or PowerBI, desired.
Prior experience with demand planning systems such as SAP IBP, Blue Yonder/JDA, Netstock/DemandWorks, SAP APO, SAP ECC/S4, or SAP Business Objects, preferred.

Responsibilities

Lead, coach, and develop a team of Demand Planners, ensuring high performance, capability growth, and adherence to best practices.
Set priorities and expectations for forecasting accuracy, accountability, and cross-functional engagement.
Oversee creation of the unconstrained demand forecast using statistical models, sales inputs, market intelligence, product life cycle insights, POS data, customer inventory levels, and error analysis.
Establish standards and governance for forecast methodologies, accuracy measurement, and continuous improvement.
Approve and deliver the final consolidated unconstrained forecast to Supply Planning and Purchasing at the appropriate hierarchy and time horizon.
Facilitate the monthly consensus planning process, ensuring Sales, Marketing, Finance, and Supply Chain alignment on a unified operational forecast.
Partner closely with Sales and Marketing leadership to understand demand drivers, promotional strategies, market shifts, and customer behaviors.
Work with SIOP, Finance, Product Management, Regional & Local Sales Teams, Supply Planning, Inventory, and Procurement to ensure demand plans support broader business strategy and operational constraints.
Collaborate with Supply Planning to develop inventory strategies for new product launches, transitions, and end-of-life items.
Communicate forecast risks, opportunities, and assumptions to the Supply Chain organization to support decisions around capacity, inventory, and customer fulfillment.
Ensure the organization is equipped with clear visibility into demand changes that may impact financial or operational performance.
Oversee demand planning systems and tools, ensuring strong data governance and optimal system utilization.
Drive improvements in demand planning system capabilities, reporting, and performance dashboards.
Ensure the team prepares and maintains accurate, relevant reports for internal stakeholders and SIOP forums.