Contract administrators assist in creating, negotiating, and assessing the terms and conditions of contracts between a company or organization and clients or venders.They make sure all parties understand and abide by the contract.They work with a variety of contracts such as the sale or purchase of products, services, equipment, materials, and supplies. They understand the structure of many different contracts and analyze the potential risks.hey make sure all parties understand and abide by the contract. They work with a variety of contracts such as the sale or purchase of products, services, equipment, materials, and supplies.