POSITION SUMMARY Supervises the procurement of all materials and supplies necessary for company operations. Establishes purchasing practices and procedures to be followed by all Purchasing department personnel, including the negotiation of price and delivery.     ESSENTIAL DUTIES AND RESPONSIBILITIES include the following.  Other duties may be assigned as applicable.    Recommend major purchases of materials based on anticipated changes in prices or on unusual availability situations.   Ensure that purchasing documents are properly completed and the terms and conditions of purchases are appropriate.   Maintain department records and ensure that purchase