Senior Manager, SIOP & Demand Planning (Onsite)

Job Posting Details

Date 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

About the Company

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.

Job Overview

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.

Responsibilities

• 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 – Mandatory

• Typical 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 – Preferred

• 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 production and inventory management, continuous improvement methodologies, project management, or related disciplines.

Benefits

• Medical, dental, and vision insurance


• Three weeks of vacation 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


• Teliac Medical Experts, second opinion program


• And more!

Additional Company Information

We make modern flight possible for millions of travelers and our military every second. Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance and their integrity keeps our customers happy. Join us as we take flight!

Role Type Definition

Onsite: Employees who are working in Onsite roles will work primarily onsite. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. 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.

Compensation and Benefits

The salary range for this role is 132,400 USD - 251,600 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.

Equal Opportunity Employer Statement

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.

Company Summary

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.