Performs advanced professional, administrative and supervisory work planning, managing, directing and coordinating purchasing activities. Professional work includes reviewing procurement solicitations, contracts and work orders; procuring a variety of services, supplies, materials and equipment; and performing related work as required. Work is performed under general supervision. Plans, assigns, supervises and reviews the activities of purchasing division staff involved in procurement and contracting activities; Drafts, reviews, and negotiates contracts; Develops, researches, and reviews specifications, terms and conditions, and related information; Develops, prepares, reviews, and processes requests for proposals (RFPs), bids, requests for quotations (RFQs) and other procurement solicitations; Assists departmental representatives regarding the development of project documents and contract negotiations; Reviews, analyzes, and evaluates proposal submittals, bids and other responses; Interfaces with the City Attorney's Office, departments, vendors, and others regarding contracts, and other documents. Monitors contracts; Assists the departments in contract management; Processes purchase requisitions and issues purchase orders; Conducts bid openings, pre-bids and other meetings in accordance with the State, County and City regulations; Acts as chairperson for selection committees; Researches and utilizes cooperative purchasing and intergovernmental contracts; Advises the purchasing staff, departments and vendors on procurement policies and procedures; Ensures compliance with State, County and City purchasing regulations Serves as manager of division in the absence of the Purchasing Manager.