Principal Specialist Demand Planner (Hybrid)

Date Posted:

2026-04-21

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-108 ~ 400 Collins Rd NE ~ BLDG 108

Position Role Type:

Hybrid

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 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 be responsible for integrating functions of Business Development, Finance, Operations Planning, Customer Service and Supply Chain to develop demand plans that support the business plan. Scope of responsibilities includes integration of customer provided forecast, vehicle production schedules, constraints and financial plan, while reporting OTD, developing build to stock recommendations, creating burn down plans, forecasting sales and ad hoc reporting. 

This position can worked in a hybrid schedule at one of the following locations:

• Cedar Rapids, Iowa

• Coralville, Iowa

• Rockford, Illinos

• Richardson, Texas

What You Will Do

• Develop and maintain a rolling 18+ month unconstrained demand plan for OE, Aftermarket, and MRO/Spares using historical data, customer insights, and business intelligence

• Lead monthly Demand Review meetings to drive alignment and establish a consensus demand plan across stakeholders

• Perform weekly order book reviews and forecast reconciliation to ensure alignment between actual demand and forecast

• Conduct regular program reviews to align on demand variances, key decisions, and planning assumptions

• Analyze demand performance metrics and KPIs, identify trends, and lead root cause analysis with corrective actions to drive continuous improvement

• Ensure data integrity and accuracy of demand inputs, including ongoing demand data maintenance and validation

• Understand and ensure compliance with customer contracts as they relate to demand planning requirements

• Document and communicate forecast assumptions, risks, and variances in a timely manner to the Program Management Team (PMT) and key stakeholders

• Participate in and support broader SIOP processes, including Financial Reconciliation, Supply Reviews, and Executive SIOP meetings

• Utilize demand planning systems (e.g., Kinaxis) to manage forecasts and maintain demand parameters, including bi-annual parameter reviews

• Support implementation of process improvements and system enhancements related to demand planning

• Review and manage adherence to Management Authorized Material (MAM) approval processes as required

• Collaborate cross-functionally with Program Management, Supply Chain, Finance, and Operations to ensure alignment between demand plans and business objectives

Qualifications You Must Have

• Typically requires University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience 

• Experience in demand planning, forecasting, or supply chain analytics \

• Familiarity with SIOP/S&OP processes 

• Experience with demand planning tools (e.g., Kinaxis, S