Materials & MRP Supervisor

Rumpke Waste & Recycling•Colerain Township, OH

About The Position

The Materials & MRP Supervisor leads the team responsible for day-to-day SAP material master record accuracy, MRP-driven replenishment, requisition-to-PO execution, inventory audits, and support of outlying locations. The role ensures inventory and purchasing processes are communicated and consistently followed, applying hands-on knowledge of commercial truck, yellow iron, and recycling repair parts to keep the right parts available for fleet and equipment maintenance. The supervisor manages, coaches, and develops the team; maintains material master data and supports replenishment and purchasing workflows; oversees inventory accuracy and compliance; trains employees and internal stakeholders; and coordinates stock needs across field locations. The role also identifies process improvements and supports SAP functional changes, upgrades, features, and new plants. The position manages 1–10 employees and does not oversee other managers.

Requirements

At least 5 years of experience in inventory control, materials management, procurement, or warehouse operations.
Working knowledge of SAP or a comparable ERP system, including material master, MRP, and requisition/PO functionality.
Excellent verbal and written communication skills.
Ability to train, coach, and motivate others on processes and systems, and ensure standard purchasing procedures and policies are followed.
Strong analytical and problem-solving skills, urgency regarding parts acquisitions, and comfort auditing data for accuracy.
Excellent time-management and organizational skills to manage operations and multi-location support simultaneously.
Ability to communicate clearly and coordinate across procurement, maintenance, and field teams.
Ability to work under pressure, take initiative, and remain flexible.
Excellent computer skills, including Microsoft Office, AS400, TMT, and vendor sites as necessary.
Legally eligible to work in the United States.
Valid driver’s license, if applicable.
Must successfully complete pre-employment testing.
Must be able to read and speak English.

Nice To Haves

Prior supervisory experience.
Working knowledge of commercial truck or equipment parts, preferably in fleet maintenance or a parts environment.
Experience with ERP systems such as the SAP MM module.
Associate's or Bachelor's degree in Supply Chain, Business, or a related field.

Responsibilities

Supervise, coach, and develop the team responsible for materials and purchase info records, requisition-to-PO conversion through SAP automation, inventory audits, and support for outlying locations.
Own the accuracy of SAP material master records, including descriptions, planning parameters, units of measure, purchase info records, and source lists, following governance standards set by the Materials Manager.
Monitor and support the MRP process to ensure demand signals result in accurate, timely replenishment orders.
Convert requisitions to purchase orders according to authorization controls; monitor SAP automation, report failures, resolve routine PO and invoice mismatches with Procurement, Maintenance, and Finance, and escalate unresolved issues to the Materials Manager.
Conduct and oversee periodic inventory cycle counts and audits, investigate and resolve discrepancies, and report inventory accuracy, fill rate, stockouts, and cycle count variance metrics to the Materials Manager.
Train team members, outlying location staff, and internal requisitioners on material creation standards, requisition requirements, MRP practices, and SAP workflows; keep training materials current.
Apply inventory and purchasing policies and controls, document processes, conduct periodic compliance checks, correct deviations, and escalate repeat issues to the Materials Manager.
Use commercial truck, yellow iron, and recycling repair parts knowledge to cross-reference OEM and aftermarket parts, identify correct part numbers and substitutions, and set and maintain min/max levels for critical components within standards approved by the Materials Manager.
Identify and implement process improvements that increase efficiency and reduce manual workarounds.
Test and document SAP functional design changes, upgrades, new features, and new plants.
Coordinate with field and outlying locations to ensure adequate stock levels and timely fulfillment of material needs.
Perform other duties as needed.