… 1 This Certificate of Achievement is designed to prepare students for entry-level office and administrative support in a variety of job positions, including general office clerks, retail salespersons, customer service representatives, … Service Representative This Certificate of Achievement is designed for students who want a fast-track course of study that will enable them to enter the job market with customer service skills and with a raised awareness and a reference for … services, information, and people. Warehouse and distribution operations, flow of goods and documents, shipping and receiving concepts, communication skills, teamwork, customer service, applied math, and warehousing/inventory software will …