Materials & MRP Supervisor

Rumpke Careers•Cincinnati, 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. It applies hands-on knowledge of commercial truck, yellow iron, and recycling repair parts to help keep the right parts available for fleet and equipment maintenance. The position supervises, coaches, and develops a team of 1–10 employees. It works with Procurement, Maintenance, Finance, and field teams, reports metrics and unresolved issues to the Materials Manager, and supports consistent adherence to purchasing policies, controls, and SAP workflows. The job description does not state that the role oversees or directs 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.
Working knowledge of commercial truck or equipment parts, preferably in a fleet maintenance or parts environment.
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 across procurement, maintenance, and field teams.
Ability to work well under pressure, take initiative, and maintain flexibility.
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.
Able to travel between offices as required.
Able to work flexible hours, including nights and weekends as needed.

Nice To Haves

Prior supervisory experience.
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 creating material and purchase info records, converting requisitions to purchase orders through SAP automation, conducting inventory audits, and supporting outlying locations.
Maintain accurate SAP material master records, including descriptions, planning parameters, units of measure, purchase info records, and source lists, in accordance with governance standards set by the Materials Manager.
Monitor and support the MRP process so demand signals result in accurate and timely replenishment orders.
Perform daily requisition-to-PO conversion in line with authorization controls; monitor SAP automation and report failures; resolve routine PO and invoice mismatches with Procurement, Maintenance, and Finance; escalate unresolved issues to the Materials Manager.
Conduct and oversee periodic inventory cycle counts and audits, investigate discrepancies, and resolve them.
Track and report inventory accuracy, fill rate, stockouts, and cycle count variance 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, perform periodic compliance checks, correct deviations, and escalate recurring issues to the Materials Manager.
Use commercial truck, yellow iron, and recycling repair parts knowledge, including OEM and aftermarket cross-referencing and identification of part numbers and substitutions, to set and maintain min/max levels for critical components within approved standards.
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.