Demo

Demand Planning Manager

Generac
Waukesha, WI Full Time
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/7/2026
The Demand Planning Manager will lead the development and execution of the demand planning process to support an integrated Sales, Inventory, and Operations Planning (SIOP) framework with the goal of maturing to IBP. This role is responsible for building a robust, data-driven demand planning capability that improves forecast accuracy, enhances supply chain visibility, and supports data-driven business decision-making. This role will help shape the future demand planning capability of the organization as planning processes and systems continue to evolve.

Essential Duties And Responsibilities

  • Collaborate with business units’ cross-functional teams (supply chain, production and operational excellence) to develop and improve strategies and processes that drive on time delivery while optimizing working capital.
  • Lead and develop the demand planning function, including building scalable processes, tools, and capabilities
  • Use capacity analysis, historical data, sales forecasts and product life cycle roadmaps as input to develop unit volume requirements.
  • Develop and maintain product configuration assumptions to help calculate units, including improving our system to drive a statistical baseline
  • Lead and represent business unit in monthly SIOP and weekly schedule attainment meetings.
  • Work with product management to understand New Product Introduction (NPI) and end of sale product transitions to seamlessly phase-in or phase-out within operations with minimal risk (e.g., resource, inventory, and capacity).
  • Clearly communicate and explain assumptions, inputs, analyses and outputs at monthly SIOP meetings on behalf of business unit.
  • Report forecast accuracy and related performance metrics on monthly/quarterly basis to management.
  • Lead improvement of customer service levels and working capital by developing and maintaining the forecast for assigned products.
  • Ensure planning capabilities support maximum efficiency and lowest cost of operation through systems utilization and process improvements.
  • Champion continuous improvement of forecasting methodologies, data quality, scenario planning, and demand management processes
  • Lead our process from SIOP to IBP
  • Designs and directs the work of the team. Selects, coaches, and develops staff. Sets clear expectations to inspire and motivate the team. Manages performance by recognizing achievement, providing feedback, and administering progressive discipline when necessary

Minimum Qualifications

  • Bachelor’s degree in Business, Mathematics, Statistics, or Supply Chain Management OR equivalent experience in the Supply Chain function within a similar working environment.
  • 3 years demand planning experience
  • 3 years management experience; including leading/mentoring teams
  • 5 years of progressive Operations management experience in a similar working environment

Preferred Qualifications

  • ERP/MRP user (SAP/Oracle);
  • Knowledge of Demand Drive Principles;
  • Previous experience using SAP or equivalent ERP

Knowledge / Skills / Abilities

  • Experience leading a major cross-functional project that included managing resources, implementing project plans and timelines, identifying and removing roadblocks, implementation of improved product lines;
  • Previous experience working in a manufacturing environment;
  • Demonstrated understanding and application of lean manufacturing principles;
  • Effective verbal and written communication skills;
  • Demonstrated problem-solving ability, including the ability to identify creative and effective solutions and the ability to ask the right questions, help frame logical conclusions

Great Reasons To Work For Generac

  • Competitive Benefits: Health, Dental, Vision, 401k and many more
  • State-of-the-art facility with an onsite gym, walking trails, café, free parking and many employee activities
  • Scheduled events throughout the year that allow our employees, both current and retirees, to gather together and enjoy their time with their families and co-workers
  • Eligible for summer hours! (Memorial Day – Labor Day)
  • Pride! When a storm strikes, Generac employees always rise to the occasion. Each time a storm hits many employees volunteer their time with the customer support team or on the production line while others go right into storm-affected areas to repair generators
  • We believe in having fun. From minor celebrations to major events, our employees balance their work by building a strong culture of teamwork and collaboration through a variety of occasions, including our Fun Days.
  • Every day is Jeans Day! Dress for your day.
  • Product loan and discount programs

Salary.com Estimation for Demand Planning Manager in Waukesha, WI
$120,238 to $145,059
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