Principal Specialist, Demand Planner
RTXDate Posted: 2026-10-05

 Country: United States of America

 Location: US-MN-BURNSVILLE-WEST ~ 14300 Judicial Rd ~ WEST BLDG

 Position Role Type: Hybrid

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. The company will not offer immigration sponsorship for this position. The company will not seek an export authorization for this role.

 Security Clearance Type: None/Not Required

 Security Clearance Status: Not Required At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. The Demand Planner will manage an 18+ month aftermarket demand plan, using historical data, customer insights, and market trends to create accurate forecasts and align cross-functional teams. This individual will support SIOP and operations planning, monitors demand and inventory metrics, identifies risks and opportunities, and drives continuous improvements in forecasting, planning processes, and tools. What You Will Do: Develop and maintain rolling 18+ month minimum unconstrained demand plan for Aftermarket using inputs of historical data, customer and business intelligence. Lead Demand Reviews and drive cross-functional alignment on the consensus demand plan. Translate customer demand into requirements that support the master schedule and Operations. Support SIOP activities, including financial reconciliation, supply reviews, and executive reviews. Analyze demand, orders, inventory, market trends, and forecast variances to identify risks and opportunities. Develop build-to-stock recommendations, burn-down plans, sales forecasts, and inventory targets. Monitor and communicate key metrics including forecast accuracy, and demand variance. Ensure demand data integrity and compliance with customer contractual requirements. Partner across functions to resolve constraints and make decisions that best support customer and business needs. Drive continuous improvement in forecasting methods, planning processes, and tools. Travel as business needs dictate- could be up to 20% What You Will Learn: Complete weekly review of orders and forecast reconciliation Complete program reviews to align on variance, decisions, and key assumptions Lead the monthly Demand review covering variance from prior and other key inputs Demand planning with Kinaxis and ownership of demand parameters review bi-annually Support various SIOP Discussions including Financial Reconciliation, Supply Review (SP&Es), and Executive SIOPs Understand Customer Contract requirements pertaining to Demand Elements Review KPIs for trends and perform root cause corrective action as appropriate Demand data maintenance (data integrity) Timely communication and documentation of assumptions and variances to the Program Management Team (PMT) to support the overall SIOP process Qualifications You Must Have: Typically requires a University Degree and minimum of 5 years prior relevant experience or an Advanced Degree in a related field and minimum of 3 years of experience Experience with Microsoft Excel Qualifications We Prefer: SAP and Kinaxis experience Experience with Excel including Pivot table…