Materials & Warehouse Supervisor — Lean, JIT Ops

Slate Auto; Warszawa; On-site; PLN 406,000 - 609,000; Full time

Job summary

Slate Auto in the United States is seeking a highly organized Material & Warehouse Supervisor to oversee material flow, inventory management, and warehouse operations in a fast-paced automotive manufacturing environment. The role requires leadership, warehouse management expertise, and hands-on experience overseeing material operations to ensure timely deliveries and optimal inventory levels.

The position collaborates with Manufacturing, Logistics, Procurement, Suppliers, Production Control, and

Qualifications

• Bachelor’s degree with a minimum of 8 years of related experience; or Master’s degree with 6 years of related experience; or PhD with 3 years of related experience; or equivalent combination of education and experience.
• At least 3 years of experience in warehouse management, materials supervision, or supply chain operations within the automotive industry.
• Demonstrated experience leading warehouse teams, including supervision of hourly material handling and warehouse personnel.
• Hands‑on experience with ERP/MRP systems, such as SAP, Oracle, or Microsoft Dynamics.
• Strong knowledge of warehouse operations, material handling, and inventory control.
• Experience with ERP/MRP systems for tracking and forecasting material availability.
• Familiarity with Lean manufacturing, JIT, Kanban, and process efficiency improvements.

Responsibilities

• Supervise warehouse staff, including hourly material and warehouse team members, ensuring proper material handling, storage, and stock movement.
• Manage material flow and inventory control, ensuring availability for production while minimizing excess.
• Train, mentor, and support hourly team members, fostering a productive and efficient work environment.
• Conduct inventory audits and cycle counts to maintain accurate stock levels.
• Coordinate with suppliers and procurement teams to manage purchase orders, replenishment schedules, and lead times.
• Optimize inbound and outbound shipments, collaborating with logistics teams.
• Utilize ERP/MRP systems to track material availability, consumption rates, and replenishment cycles.
• Implement Lean manufacturing principles, including Just-in-Time (JIT), Kanban, and pull systems.
• Identify and resolve supply chain disruptions, material shortages, and warehouse inefficiencies.
• Ensure warehouse safety procedures, proper storage practices, and compliance with industry regulations.
• Lead shift scheduling and workforce planning to align resources with production demands.
• Monitor team performance, provide coaching, and ensure adherence to company policies.
• Drive continuous improvement initiatives to enhance warehouse efficiency and material handling operations.

Skills

Leadership

Warehouse management

Inventory control

Lean manufacturing

Education

Bachelor’s degree with 8+ years experience

Master’s degree with 6+ years experience

PhD with 3+ years experience

Tools

SAP

Oracle

Microsoft Dynamics

Job description

Slate Auto in the United States is seeking a highly organized Material & Warehouse Supervisor to oversee material flow, inventory management, and warehouse operations in a fast-paced automotive manufacturing environment. The role requires leadership, warehouse management expertise, and hands-on experience overseeing material operations to ensure timely deliveries and optimal inventory levels.

The position collaborates with Manufacturing, Logistics, Procurement, Suppliers, Production Control, and