Senior Manager, SIOP & Demand Planning (Onsite)
RTXDate Posted: 2026-10-13

 Country: United States of America

 Location: US-CT-WINDSOR LOCKS-B2 ~ 1 Hamilton Rd ~ BLDG 2

 Position Role Type: Onsite

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

 Security Clearance Type: None/Not Required

 Security Clearance Status: Not Required At RTX, the world's 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. As a Senior Manger -SIOP & Demand Planning, you will lead the global aftermarket demand forecasting and management process within the aftermarket function of our Power & Controls business unit. In this role, you will be responsible for centralizing forecasting activities across sites to drive consistency, visibility, and accuracy throughout the business. This role is responsible for leading the demand planning portion of the monthly Sales, Inventory, and Operations Planning (SIOP) cycle, facilitating cross-functional alignment, and ensuring demand forecasts support operational priorities, customer commitments, and financial objectives. Ideally this position will be based in Windsor Locks, CT. Will consider other locations for preferred candidates. What You Will Do Lead the global Aftermarket Demand Management process and demand portion of the monthly SIOP cycle, establishing standardized forecasting practices and driving alignment across sites. Facilitate Demand Reviews and drive consensus across functions including Service Management, Service Engineering, Parts Planning, Repair Planning, Retrofit Management, Finance, and others. Develop and implement statistical and direct forecasting strategies that support a dynamic business environment. Monitor relevant metrics including but not limited to Forecast Accuracy and Bias, Demand Accuracy and Stability, Intake rates, and replacement rates. Lead and perform root cause analysis efforts following significant forecast inaccuracies and exceptions. Lead a team of Demand Management specialists. Drive collaboration, innovation, and skill development across the team. Compare and contrast Demand Forecast with Financial Forecast. Identify and drive closure of gaps. Ensure demand forecast visibility in SAP and related ERP software tools. Defines, prioritizes, improves forecasting processes including capturing new sources of data. Develops and manages positive relationship for internal customers and suppliers. Act as a Change Agent to influence, consult and lead efforts for sharing and standardizing of best practices and processes. Qualifications You Must Have Typically requires a University Degree and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience. Experience leading demand planning, forecasting, SIOP, or related supply chain processes. Qualifications We Prefer Experience with SAP and other enterprise resource planning (ERP) systems supporting demand planning, forecasting, or supply chain operations. Working experience improving key business metrics, such as forecast accuracy, planning availability, on-time delivery, and inventory performance. Knowledge of pro…