Materials Planner (Onsite)

RTX•Simpsonville, SC

9d•$68,900 - $131,100•Onsite

About The Position

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.

Requirements

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.

Nice To Haves

Experience in materials planning, inventory management, or supply chain functions.

Responsibilities

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.
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).
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.
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).
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.

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
Teladoc Medical Experts, second opinion program
Annual short-term and/or long-term incentive compensation programs