Principal Specialist, Demand Planner (Onsite)

Date Posted: 2026-10-22

Country:

United States of America

Location:

US-ND-JAMESTOWN-P1 ~ 2604 Highway 20 N ~ PLANT 1

Position Role Type:

Onsite

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'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.

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!

This is an onsite role based at our Jamestown, North Dakota location.

What You Will Do:

• 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.

Qualifications You Must Have:

• 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.

Qualifications We Prefer:

• 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.

What We Offer

Some of our competitive benefits package includes:

• Medical, dental, and vision insurance
• Four weeks of PTO for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

Learn More & Apply Now!

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Operations, Supply Chain and EH&S:

The next chapter of our future as an aerospace company is here, and we are excited about what this means for our employees and customers! Get onboard the Collins Aerospace Operations team and play a part in managing our innovative products from inception to delivery. The Operations team continues to grow and aims to strengthen the connection of Manufacturing Operations, Supply Chain and Environment, Health & Safety (EH&S) across Collins Aerospace. In this dynamic environment, you will have the opportunity to network across our businesses and functions, all while improving the productivity, quality and efficiency of our operations worldwide.

Collins Aerospace, a RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

WE ARE REDEFINING AEROSPACE.

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day!

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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