Working knowledge of storekeeping and warehousing methods and procedures, County purchasing procedures. Working knowledge of nomenclature, descriptions and source of equipment, materials and supplies. Ability to oversee the operations of a store or warehouse, conduct inventory of materials and supplies and keep related records, work effectively with others, plan, organize and supervise the work of others. Supervises all activities of a storeroom or warehouse to include storage, control, and issuance of materials and equipment, the development of storeroom or warehouse policies, practices, and procedures. Records and maintains pertinent data as to nomenclature, supply and inventory of equipment, materials and supplies. Institutes proper security controls to safeguard the facility against burglary, theft and pilferage. Maintains records and files. Assigns, reviews, and evaluates the work of subordinate staff.