SIOP Demand Planner

Position Summary:

The SIOP (Sales, Inventory & Operations Planning) Demand Planner is responsible for developing and maintaining accurate demand forecasts that support business planning, inventory optimization, production capacity, and customer service objectives. This role works cross-functionally with Sales, Operations, Supply Chain, Finance, Purchasing, and other key stakeholders to translate customer and market demand into an actionable forecast.

The Demand Planner plays a key role in the SIOP process by analyzing historical demand, customer forecasts, market trends, business intelligence, and operational constraints to identify risks and opportunities and improve overall forecast accuracy.

Essential Duties and Responsibilities:

• Develop, maintain, and communicate short-, medium-, and long-range demand forecasts by customer, product, product family, and/or business segment.
• Facilitate the demand planning portion of the SIOP process and prepare demand information for SIOP review meetings.
• Partner with Sales and commercial teams to incorporate customer forecasts, new business, program changes, promotions, market trends, and other demand drivers into the consensus forecast.
• Analyze historical sales, orders, forecast performance, seasonality, trends, and customer demand patterns.
• Monitor forecast accuracy, bias, and other demand-planning KPIs and recommend actions to improve forecast performance.
• Identify significant changes in demand and communicate potential impacts to production, capacity, inventory, purchasing, and customer service.
• Collaborate with Operations and Supply Chain to align demand forecasts with available capacity, material availability, inventory objectives, and production plans.
• Develop demand scenarios and sensitivity analyses to support business decisions and capacity planning.
• Prepare dashboards, reports, and presentations that clearly communicate demand trends, forecast performance, risks, and opportunities.
• Partner with Finance to support alignment between the demand forecast, operating plan, budget, and financial outlook.
• Drive continuous improvement of SIOP processes, forecasting methodologies, reporting tools, and data integrity.
• Perform other duties and participate in special projects as assigned.

• Bachelor’s degree in Supply Chain Management, Operations Management, Business, Finance, Engineering, Economics, Statistics, or a related field preferred.
• 3–5 years of experience in demand planning, supply planning, production planning, S&OP/SIOP, supply chain, or a related analytical role preferred.
• Experience working in a manufacturing environment strongly preferred.
• Experience with ERP/MRP and demand-planning systems preferred.
• APICS/ASCM certification, such as CPIM or CSCP, is a plus.

Physical & Mental Demands:

The physical and mental demands described below are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• While performing the duties of this job, the employee is regularly required to sit, talk, hear and use hands to touch, handle, or feel. The employee is occasionally required to stand and reach with hands and arms. The employee may occasionally lift and/or move up to 10 pounds
• Specific vision abilities required by this job include close vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

Work Environment:

• This position is an office-based position. The noise level is usually moderate.  However the position does enter the manufacturing/warehouse portion of the facility where the noise level is louder and PPE (Personal Protective Equipment) may be required.

The above descriptions reflect the principal functions of the SIOP Demand Planner position and shall not be construed as a detailed description of all the work requirements that may be inherent in the job.