Security jobs in your ZIP code Nature of Cruise Ship Security Guard Job: A Cruise Ship Security Guard watches over the points of entry of a ship while the ship is in port. They also do the screening of the guests, ship crew as well as their luggage. During the voyage they perform several critical security related tasks as described in the duties and responsibilities section below. Duties and Responsibilities of Cruise Ship Security Guard: Conduct access control for cruise passengers, employees, visitors, and other persons to guard and maintain security of premises Monitor and report suspicious activities to local ...