Demand Planning Manager

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Job Title:

Demand Planning Manager

Reporting To:
Integrated Business Planning Manager

Work Schedule:

Hybrid – Buffalo, NY

• Own and maintain a single unconstrained rolling demand plan across Commercial Aircraft Group OE, aftermarket, and MRO product lines, ensuring assumptions, risks, and opportunities are clearly documented and communicated.
• Lead the monthly Demand Review process within the Integrated Business Planning (IBP) framework, collaborating with Program Management, Commercial, Operations, Finance, Supply Chain, and Aftermarket teams to develop and validate demand assumptions.
• Develop and maintain forecasting models using customer demand signals, historical consumption, market intelligence, installed base analysis, reliability trends, and business assumptions to improve forecast accuracy and responsiveness.
• Monitor forecast accuracy and forecast bias metrics, identify root causes of forecast variances, and implement corrective actions to improve planning performance and demand signal stability.
• Represent demand planning within the IBP process by providing demand projections, business assumptions, and risk assessments that support supply planning, inventory planning, financial forecasting, and executive decision‑making.
• Partner with Operations, Master Scheduling, Supply Chain, Programs, and Finance teams to evaluate changing customer requirements, assess operational impacts, and maintain alignment between customer demand and business capabilities.
• Support the reconciliation of operational demand plans to financial forecasts, budgets, and long‑range plans, highlighting gaps, risks, opportunities, and performance trends for leadership review.
• Own demand planning business processes, demand master data governance, forecasting documentation, and user training while serving as the functional subject matter expert for demand planning activities.
• Support advanced planning system initiatives, including SAP S/4
  
  HANA, SAP IBP, Kinaxis Maestro, and related digital transformation efforts through process development, master data readiness, user adoption, and continuous improvement activities.
• Provide executive‑level reporting, analytics, and insights that identify trends, performance risks, and opportunities affecting business performance, revenue forecasting, inventory planning, and customer support strategies.

• Improve forecast accuracy and forecast bias.
• Lead the monthly Demand Review process.
• Develop statistical and assumption‑based demand forecasts.
• Support strategic business planning.
• Ensure alignment between customer requirements and operational capabilities.

• Bachelor's degree in Supply Chain, Operations, Engineering, Business, Industrial Engineering, Finance, or a related discipline required.
• Advanced degree and/or APICS (CPIM/CSCP), IBF CPF, or related certification preferred.
• 5+ years of supply chain, demand planning, forecasting, Integrated Business Planning (IBP), S&OP, or related planning experience.
• Experience developing and managing demand forecasts using statistical, rate‑based, consumption‑based, and business assumption‑driven methodologies.
• Working knowledge of Integrated Business Planning (IBP), Sales & Operations Planning (S&OP), forecasting, inventory planning, supply planning, and operational planning processes.
• Experience utilizing ERP and advanced planning systems, including SAP, SAP S/4
  
  HANA, SAP IBP, Kinaxis Maestro, or…