Senior Procurement Specialist ensures the comprehensive procurement and acquisition needs are met in a timely and cost-effective manner and in line with Federal Acquisition Regulation (FAR). * Execute all procurement phases of the acquisition process, from initiation to recommendation of award, to procure goods or services from government and non-government sources through new contracts, competitive bids, or existing government contracts. * Performs full range of contract administration actions required for program including development of Requests for Information (RFI) and/or Proposals (RFP) and/or other solicitations, modifications, negotiation of changes, exercise of options, evaluation of performance, investigation and resolution of issues with performance or delays, disposition of claims, termination and closeout. * Provides acquisition advice and assistance to program managers and other PDS staff in the administration of contracts and interagency agreements and assists in resolution of issues that arise during the term of contract or agreement. * Develops procurement objectives for the program in terms of competition and price range, and constructs the contractual vehicle including use of pricing arrangements, subcontracting policy, bet-aside policies, and similar considerations. Prepares and maintains current acquisition plans, appropriate milestone charts, and related schedules to meet long and short range program goals. * Performs detailed analyses of all elements of cost in contractor proposals and makes competitive range determinations. * Serves as contracting representative in systematic reviews to assure that PDS needs are met and validated. Responsibilities include redirection of effort, coordination of time extension, incorporation of change orders, issuance of stop work orders, issuance of cure notices or show cause letters, terminations of contract. * Works with program staff to define requirements and develop specifications and assist in the preparation of statements of work. * Utilizes an automated system to track purchases and expenditures, as well as provides expenditure information regularly for budget and control purposes. * Maintains and develop reports on a comprehensive set of acquisition data including but not limited to purchasing records and reports, including inventory disposal control records; electronic procurement and contractor files; statistical data on PDS contracting activities * Recommends policies and procedures for contracting and acquisition and develops and implements various procurement-training programs.