Materials & MRP Supervisor

Rumpke is a family-owned and operated company that ranks as one of the largest firms in the waste and recycling industry. Our mission is simple: to deliver exceptional waste and recycling solutions to our customers and communities through a commitment to safety, service, the environment and the growth of our people. When you join Rumpke, you’ll be part of a team providing essential services to millions of residents, businesses, and neighborhoods. You will enjoy competitive pay and comprehensive benefits, including health, dental, vision, matching 401(k), life insurance, paid vacation, and more. This is your opportunity to make a difference for you and your family. Come join our team! 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. Ensures inventory and purchasing processes are communicated and consistently followed. Applies hands-on knowledge of commercial truck, yellow iron, and recycling repair parts to keep the right parts available for fleet and equipment maintenance. Responsibilities of Position: Supervise, coach, and develop the team that creates materials and purchase info records, converts requisitions to POs through SAP automation, performs inventory audits and supports outlying locations Own the accuracy of material master records (descriptions, planning parameters, units of measure, purchase info records, source lists) within SAP, applying the governance standards set by the Materials Manager Monitor and support the MRP process, ensuring demand signals translate into accurate, timely replenishment orders Execute daily requisition-to-PO conversion in line with established authorization controls; monitor SAP automation and report failures; resolve routine PO and invoice mismatches with Procurement, Maintenance, and Finance, escalating unresolved issues to the Materials Manager Conduct and oversee periodic inventory cycle counts and audits; investigate and resolve discrepancies. Track and report key metrics (inventory accuracy, fill rate, stockouts, 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, and keep training materials current Apply inventory and purchasing policies and controls; document processes, perform periodic compliance checks, correct deviations, and escalate repeat issues to the Materials Manager Apply commercial truck, yellow iron, and recycling repair parts knowledge (cross-referencing OEM and aftermarket parts and identifying correct part numbers and substitutions) to set and maintain min/max levels for critical fleet and equipment 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/outlying locations to ensure adequate stock levels and timely fulfillment of material needs Perform other duties as needed Supervisory Responsibility: This position will manage 1-10 employees This position will not oversee and direct other managers Skills & Abilities Needed for Position: Excellent verbal & written communication skills Ability to train, coach, and motivate others on processes and systems, and to ensure standard purchasing procedures and policies are followed Strong analytical and problem-solving skills with a strong sense of urgency regarding parts acquisitions; comfortable auditing data for accuracy Excellent time management skills and organizational skills to manage operations and multi-location support simultaneously Clear communication skills for coordinating across procurement, maintenance, and field teams Ability to work well under pressure, take initiative, and maintain flexibility …

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