Senior Manager, SIOP & Demand Planning (Onsite)

RTX (Raytheon)

Rainbow (CT)

On-site

USD 120,000 - 170,000

Full time

5 days ago

Be an early applicant

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with employer-mba

Tuition reimbursement program

Student Loan Repayment Program

Life insurance and disability coverage

Adoption Assistance

Employee Assistance Plan

Job summary

RTX Collins Aerospace in Windsor Locks, CT, seeks a Senior Manager - SIOP & Demand Planning to lead global aftermarket forecasting and the monthly SIOP process. This role centralizes forecasting across sites to drive consistency, visibility, and accuracy, ensuring alignment with business priorities.

You will manage a team, develop forecasting strategies, monitor key metrics, and ensure SAP visibility. Collaboration with Finance, Service, Engineering, and Parts Planning is essential to meet

Qualifications

Typically requires a University Degree and minimum 10 years prior relevant experience or an Advanced Degree with at least 7 years of experience.
Experience leading demand planning, forecasting, SIOP, or related supply chain processes.
Experience with SAP and other ERP systems supporting demand planning, forecasting, or supply chain operations.

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 metrics such as Forecast Accuracy, Bias, and Inventory performance.
Lead root cause analysis after forecast inaccuracies and exceptions.
Lead a team of Demand Management specialists and drive collaboration and skill development.
Compare Demand Forecast with Financial Forecast and close gaps.
Ensure demand forecast visibility in SAP and related ERP tools.
Define, prioritize, and improve forecasting processes; capture new data sources.
Develop and manage relationships with internal customers and suppliers.
Act as Change Agent to share and standardize best practices across the organization.

Skills

Demand planning

Forecasting

SIOP

Leadership

Cross-functional collaboration

Data analysis

Education

University Degree

Advanced Degree

Tools

SAP

ERP systems

Job description

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

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

What We Offer

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