> Markdown version of [/jobs/ext/4317212-principal-specialist-demand-planner-onsite](https://www.wearedevelopers.com/jobs/ext/4317212-principal-specialist-demand-planner-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Specialist, Demand Planner (Onsite) - **Company:** RTX - **Location:** Jamestown, ND, United States - **Experience:** Experienced - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Data Analysis, Microsoft Office, Microsoft PowerPoint, SAP (Applications), Expertise in Kinaxis, Siop - **Published:** October 22, 2026 - **Apply:** https://www.financialjobbank.com/job.asp?id=3472060760&tx=VT6257TTZ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role 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., * A University Degree or equivalent experience and minimum 5 years of prior relevant experience, or an Advanced Degree in a related field and minimum 3 years of prior relevant experience. * Experience in demand planning, forecasting, supply chain planning, or a related field. * Experience using Microsoft Office applications, including Word, Excel, and PowerPoint. * Experience collaborating with internal and external customers and cross-functional teams. * Experience managing multiple priorities, organizing work effectively, and adapting to changing business requirements., * Experience participating in the SIOP process within a large global industrial or manufacturing organization. * APICS certification, such as CPIM or CSCP. * Experience with Kinaxis Rapid Response demand planning tools. * Experience with SAP, including ERP, APO, and/or Business Intelligence systems. * Experience with statistical forecasting, demand analysis, inventory optimization, and supply-demand scenario planning. ## Description We are seeking a Principal Specialist, Demand Planner to develop, coordinate, and align demand plans that support customer commitments, operational performance, and inventory objectives. In this role, you will collaborate with Product and Program Management, Business Development, Finance, Supply Chain, Operations, and customers to improve demand accuracy, align demand with supply capabilities, and support the Sales, Inventory, and Operations Planning (SIOP) process. Your mission is to develop and maintain a minimum 36-month rolling demand plan, improve forecast accuracy, identify risks and opportunities, and provide data-driven insights that support revenue, inventory, and gross margin objectives. Join us in supporting the future of aerospace through world-class demand planning and supply chain operations!, * Develop and maintain a minimum 36-month rolling demand plan as part of the SIOP process. * Develop statistical forecasts for applicable products and measure demand error to improve forecast accuracy and minimize variation. * Aggregate demand plans into value stream families and align stability zones and time fences with business requirements. * Facilitate monthly demand reviews and participate in SIOP meetings to align demand and supply across the organization. * Partner with Finance to ensure unit-level demand plans translate into accurate and credible financial plans. * Ensure demand is accurately entered and maintained in ERP systems and aligned with aggregate demand plans. * Communicate detailed and aggregate demand plans, including key assumptions, risks, opportunities, and changes in demand. * Collaborate with Supply Chain and Operations teams to understand supply constraints and opportunities and align demand with available capacity. * Prioritize existing orders and perform scenario analyses using quantitative and qualitative data to identify opportunities to improve revenue, inventory, and gross margin. * Partner with internal and external customers, Product and Program Management, and Business Development to continuously improve demand visibility, planning accuracy, and customer delivery performance.