Key waiter duties for a resume include greeting and seating guests, taking orders accurately, serving food and drinks, processing payments, and maintaining a clean dining area. 

Core duties

• Guest services: Greet guests, escort them to tables, and provide a positive first impression. 
• Order taking: Present menus, explain specials, offer recommendations, and accurately take food and drink orders, noting any special requests or dietary needs. 
• Serving: Serve food and beverages to tables in a timely and professional manner. 
• Payment processing: Deliver checks and accurately handle cash and credit card payments using a POS system. 
• Table maintenance: Prepare and reset tables with linens, silverware, and glasses, and clear tables of dirty dishes and debris.