A professional who directs activities concerned with contracts for purchase or sale of equipment, materials, products, or services. Responsibilities include:

• Examines performance requirements, delivery schedules, and estimates of costs of material, equipment, and production to ensure completeness and accuracy.
• Prepares bids, process specifications, test and progress reports, and other exhibits that may be required.
• Reviews bids from other firms for conformity to contract requirements and determines acceptable bids.
• Negotiates contract with customer or bidder.
• Requests or approves amendments to or extensions of contracts.
• Advises planning and production departments of contractual rights and obligations.
• May compile data for preparing estimates.
• May coordinate work of sales department with production and shipping department to implement fulfillment of contracts.
• May act as liaison between company and subcontractors.
• May direct sales program (manager, sales ).