1) Maintain records of goods ordered and received. 2) Locate vendors of materials, equipment or supplies, and interview them in order to determine product availability and terms of sales. 3) Prepare and process requisitions and purchase orders for supplies and equipment. 4) Control purchasing department budgets. 5) Interview and hire staff, and oversee staff training. 6) Review purchase order claims and contracts for conformance to company policy. 7) Analyze market and delivery systems in order to assess present and future material availability. 8) Develop and implement purchasing and contract management instructions, policies, and procedures. 9) Participate in the development of specifications for equipment, products or substitute materials. 10) Resolve vendor or contractor grievances, and claims against suppliers. 11) Represent companies in negotiating contracts and formulating policies with suppliers. 12) Review, evaluate, and approve specifications for issuing and awarding bids. 13) Direct and coordinate activities of personnel engaged in buying, selling, and distributing materials, equipment, machinery, and supplies. 14) Prepare bid awards requiring board approval. 15) Prepare reports regarding market conditions and merchandise costs. 16) Administer on-line purchasing systems. 17) Arrange for disposal of surplus materials.

1) English Language -- Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar. 2) Administration and Management -- Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources. 3) Production and Processing -- Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods. 4) Mathematics -- Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications. 5) Personnel and Human Resources -- Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems. 6) Economics and Accounting -- Knowledge of economic and accounting principles and practices, the financial markets, banking and the analysis and reporting of financial data. 7) Computers and Electronics -- Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming. 8) Customer and Personal Service -- Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.