Materials Planner (Onsite)

Collins Aerospace; San Dimas (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Medical, dental, and vision

Three weeks vacation

401(k) plan

Tuition reimbursement

Student loan repayment

Life insurance

Employee assistance program

Job summary

Collins Aerospace, a RTX company, onsite in San Dimas, CA, is seeking an Inventory Planner to review stock levels, set MRP parameters, and support SIOP processes. You will work with Master Data Planners, forecast materials, and analyze KPIs to drive efficiency in a high-mix aerospace environment.

Ideal candidates have a university degree and 2+ years in material planning or inventory control, with strong SAP MRP, Excel, and BI tool skills.

Qualifications

• Typically requires a University Degree and minimum 2 years of relevant experience.
• Experience in material planning, supply chain, or inventory control.
• Working experience of SAP MRP parameters and planning strategies.
• Must have a track record of clear communication and successful collaboration with cross-functional partners.
• Proficiency with Excel and reporting tools such as Tableau or Power BI.

Responsibilities

• Review inventory trends and drive actions to meet targets.
• Provide MP parameter inputs to Master Data Planners.
• Support inventory forecasting across Raw Materials, WIP, Finished Goods.
• Manage entitlement levels and generate KPI analyses.
• Drive improvements by closing process gaps and improving forecast accuracy.
• Support SIOP process alignment with inventory inputs.

Skills

Inventory planning

Cross-functional collaboration

Communication

SAP MRP parameters

Excel

Tableau/Power BI

Education

University degree in related field

Tools

SAP MRP

Excel

Tableau

Power BI

Job description

Location:

US-CA-SAN DIMAS-936 ~ 936-960 Overland Ct ~ OVERLAND

Date Posted:

2026-09-21

Country:

United States of America

Location:

US-CA-SAN DIMAS-936 ~ 936-960 Overland Ct ~ OVERLAND

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.

This role will be working onsite in San Dimas, California.

What You Will Do:

• Cross-collaborate to review inventory trends, drive actions to meet targets, and develop Material Planning (MP) parameters utilizing EMP/IE standards and enterprise policies.
• Provide MP parameter inputs to Master Data Planners including MRP types, minimum order quantities, and lot sizes.
• Support inventory forecasting, inclusive of input/output models and reason codes for inventory inaccuracy across Raw Materials, WIP, and Finished Goods.
• Manage entitlement levels, present inventory rollups and executive insights, and generate KPI analyses.
• Drive continuous improvement by eliminating process gaps, enhancing forecast accuracy, shortening cycle times, and strengthening cross-functional handoffs.
• Track performance against financial plans and provide inventory inputs to the SIOP process.
• Manage forecasting for production-planned purchased parts and planning strategies including special stock and Non-Conforming Material oversight.
• Review Shelf Life Expiration reports and drive action on items at risk.
• Assess ECN (Engineering Change Notice) effectivity by checking whether changes to materials or assemblies are captured, and identify what actions current inventory requires as a result.
• Assist Program Management with CBOM proposals by confirming inventory availability.
• Support Engineering with GIDEP part searches and usage/PO lookups during obsolescence reviews.
• Support the coordination and execution of the Sales, Inventory, and Operations Planning (SIOP) process, ensuring alignment between operational capability, inventory levels, and business goals.
• Analyze inventory trends, consumption data, and planning parameters.
• Travel up to 10%.

What You Will Learn:

• How market trends and demand shifts affect material and inventory strategies.
• Advanced forecasting models including PIR oversight and scenario planning.
• EMP and IE policy application and refinement.
• PFEP development and inventory variance root-cause identification.
• Financial alignment through E&O review, reserve support, and inventory clinics.
• How materials planning integrates into end-to-end SIOP processes driving demand, supply, production, and financial outcomes.

Qualifications You Must Have:

• Typically requires a University Degree and minimum 2 years of prior relevant experience or an Advanced Degree in a related field
• Experience in material planning, supply chain, or inventory control.
• Working experience of SAP MRP parameters and planning strategies.
• Must have a track record of clear communication and successful collaboration with cross-functional partners.
• Proficiency with Excel and reporting tools such as Tableau or Power BI.

Qualifications We Prefer:

• Understanding of EMP/IE standards, PFEP frameworks, and inventory entitlement.
• Aerospace or high-mix manufacturing experience.
• Experience executing E&O reviews, inventory clinics, or ABC strata alignment.

What We Offer

Some of our competitive benefits package includes:

• 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 illnessinsurance, 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!

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.

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 75,800 USD - 144,200 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.