Room Service Cashier - Casino answers phones, records orders, handles guest billing and processes cash and credit transactions for the room service function. May require a high school diploma or its equivalent. Being a Room Service Cashier - Casino typically reports to a supervisor. The Room Service Cashier - Casino may require 0-1 year of general work experience. Possesses a moderate understanding of general aspects of the job. Works under the close direction of senior personnel in the functional area.