Maintain and grow sales relationships with existing clients Identify and solicit potential clients Assess clients' needs, recommend or assist in the selection of appropriate goods or services, and negotiate prices or other sales terms Provide input into product design where goods or services must be tailored to suit clients' needs Develop sales presentations, proposals, or other materials to illustrate benefits from use of good or service Estimate costs of installing and maintaining equipment or service Prepare and administer sales contracts and maintain customer records Consult with clients after sale to resolve problems and to provide ongoing support Troubleshoot technical problems related to equipment Develop and maintain technical product or service knowledge to explain features to clients and answer questions about goods or services Develop, implement and report on sales strategies to achieve business goals Assess market conditions and competitors' activities and develop an awareness of emerging markets and trends May offer training in the operation and maintenance of equipment May supervise the activities of other technical staff and sales specialists.