1. Supervise, plan, assign and review the work of the staff in the following duties: shipping, receiving, storing, distributing and maintaining inventories of materials, and products; processing purchasing transactions; dispatching, scheduling transportation crews and routes; and other related activities. 2. Ensure compliance with policies, procedures for safety and security, standards and regulations in force and participate in their improvement. 3. Resolve various problems and related complaints and implement corrective measures and process improvements 4. Train workers in job duties 5. Ensure smooth operation of computer systems and arrange for maintenance and repair work 6. May perform the same duties as workers supervised.