Job Summary Responsible for procurement of materials and services for the assigned Business Units.  Supervise other procurement professionals to ensure that CITGO procurement policies and procedures are applied in obtaining quality goods and services to meet the internal customer’s requirements. Use best-in-class strategic sourcing tools and techniques to identify, qualify, solicit, select and negotiate with vendors to obtain materials and services from vendors at the best value for CITGO giving consideration to cost, safety, quality, reliability and delivery requirements per Customer’s need.  Interact regularly with other refinery departments, their management and external vendors.  Assist in the management of purchasing and warehouse functions in order to achieve the lowest total cost of ownership of purchased goods and services.  Provide advice & counsel to site management for all procurement activities.  Work with other site departments and corporate support to improve the complete procurement process so that the process becomes more effective in accomplishing requirements of internal customers & ensuring proper business controls.