Demand Planning Manager

Do you love working with talented people? So do we!

Our team is growing and we’re looking for best-in-class talent. We value experienced, career-minded employees who focus on teamwork, professionalism and an unparalleled commitment to customer service. We offer full-time employees a competitive benefits package that includes health, dental and vision insurance, along with life and AD&D insurance, 401k plans, vacation time and more.

Browse positions available at mSupply and throughout our HVAC, plumbing and appliance parts business units nationwide. Use the filters to narrow by department, business unit or location.

Position: Demand Planning Manager

Location: Midwest

Remote Status: Hybrid

Job : 3536-mSupply

# of Openings: 1

About mSupply TM
mSupply is North America’s leading distributor of OEM repair parts and equipment, serving professionals in the appliance, HVAC, plumbing, commercial kitchen, and pool/spa industries. Headquartered in St. Louis, MO, mSupply is a multi-billion-dollar enterprise offering an extensive product range, industry expertise, and seamless service. With more than 2,000 associates across the U.S. and Canada, mSupply’s family of brands delivers with speed, reliability, and precision through its branches, distribution centers, and extensive fleet of delivery vehicles.

Shipped orders reach 93% of U.S. customers via next-day ground delivery and 100% within two days. For more information, visit

The Demand Planning Manager will lead the development of accurate, data-driven demand forecasts and drive alignment across Sales, Operations, and Finance. The person will translate demand signals into actionable plans that improve service levels, optimize inventory, and support profitable growth.

• Develop and maintain SKU-level demand forecasts by location, using historical data, seasonality, and market trends
• Lead the demand planning cycle within the S&OP process, driving alignment to a single consensus plan
• Translate forecasts into actionable plans for purchasing, replenishment, and inventory deployment
• Monitor and improve forecast accuracy and bias, implementing corrective actions to increase reliability
• Partner with Sales to incorporate promotions, pricing changes, and customer-specific demand inputs
• Identify and proactively manage demand risks, including stockouts, excess inventory, and slow-moving SKUs
• Support inventory optimization, including safety stock, reorder points, and SKU rationalization
• Provide insights to warehouse and transportation teams for labor planning and capacity alignment
• Conduct scenario analysis to assess impacts of demand variability, supply disruptions, and business changes
• Deliver regular reporting on demand trends, forecast performance, and business risks

• 5+ years of experience in demand planning, supply chain, or inventory management, preferably in a distribution environment
• Strong analytical skills with experience in forecasting tools and data analysis (Excel, SQL, or planning systems)
• Experience leading or participating in S&OP or cross-functional planning processes
• Ability to connect data insights to operational and financial outcomes
• Strong communication and stakeholder management skills
• Experience with ERP and demand planning systems (e.g., SAP, Oracle, Net Suite, Kinaxis, Blue Yonder, or similar)
• Experience with BI tools such as Power BI or Tableau preferred

• Experience in multi-location distribution or branch networks
• Familiarity with inventory optimization concepts such as safety stock modeling and service level trade-offs
• MBA or advanced degree (a plus, not required)

This position may require over 40 hours per week and includes regular physical activity such as:

• Prolonged periods of sitting at a desk and working on a computer
• Frequent use of hands and fingers for typing, data analysis, virtual communication
• Minimal lifting (typically up to 10-15 pounds, such as a laptop, documents, or office supplies)
• May require occasional travel (if applicable), which involves walking, standing, and sitting for extended periods

We prioritize your well-being from…