As a deli clerk, your primary responsibilities are food preparation and customer service. Your everyday job duties include preparing food products, making sandwiches to order, keeping deli equipment clean, and maintaining a sanitary and inviting counter area. The qualifications for you to become a deli clerk are strong customer service skills and food service experience. You must complete on-the-job training to learn how to operate equipment and follow food safety standards. In addition to preparing food, you may also set up displays and signage for promotions and sales.