Materials Planner (Onsite)

Date Posted:
2026-09-28


Country:
United States of America


Location:
US-SC-SIMPSONVILLE-1001 ~ 1001 Old Stage Rd ~ OLD STAGE


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.
Materials Planner – Simpsonville, SC (On-Site)
The Materials Planner is responsible for ensuring inventory accuracy, forecast alignment, and materials availability across multiple Collins Aerospace sites. This role drives visibility, governance, and performance of inventory by collaborating with Operations, Supply Chain, SIOP/SIOE, Finance, Program Management, and Site Leadership. The position requires strong analytical skills, process discipline, and the ability to proactively identify risks and enable data‑driven decision‑making.
What You Will Do
Inventory & Materials Planning
Enable visibility to the impact of short‑ and long‑term demand trends on materials and inventory; maintain records of inputs and rationale for changes.
Review and recommend enhancements to Effective Material Planning (EMP) parameters and inventory entitlement policies.
Maintain material policies (EMP/IE reviews) and drive optimal inventory levels for assigned commodities and sites.
Conduct ABC strata reviews to ensure correct part classification and appropriate planning strategies.
Forecasting & Master Data Support
Provide materials planning parameter inputs to Master Data Planners (MRP types, MOQs, lot sizes, etc.).
Support inventory forecasting, including input/output modeling and management of reason codes for inventory deviations (trapped, stranded, WIP, FG, raw material classifications).
Reporting, Analytics & Governance
Track metrics, manage entitlement levels, and present inventory rollups with executive insights.
Support excess and obsolete material reviews, analysis, and submission.
Drive inventory variance reporting and lead problem‑solving activities.
Cross‑Functional Collaboration
Partner with Supply Chain, Operations, SIOP/SIOE, Finance, Program Management, and site teams to meet inventory targets and ensure materials readiness.
Support SIOP processes including supply reviews, pre‑executive reviews, site S&OE, and monthly tiered meetings.
Drive escalation and scenario planning for disruptive events (e.g., supplier shortages, market disruptions, customer‑driven changes, strikes).
Continuous Improvement
Assist in process creation/modifications to improve inventory control, planning capabilities, and forecast accuracy.
Eliminate process gaps, streamline cross‑functional handoffs, shorten cycle times, and improve overall inventory performance.
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
Proficiency in ERP/MRP systems.
Strong analytical skills and ability to interpret complex data sets.
Ability to work on‑site in Simpsonville, SC and collaborate with multiple Collins Aerospace locations.
Qualifications We Prefer
Experience in materials planning, inventory management, or supply chain functions.
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 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!​
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 68,900 USD - 131,100 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 appli