Security Guards on a cruise ship are responsible for ensuring the safety and security of guests and staff. They patrol the ship and monitor security cameras, respond to emergencies, and assist with any security-related incidents. Prevention is a huge part of thier jobs. They must offer courteous services, even when assertiveness with guests is required. If you have worked as an investigator, police officer, have worked for the military or at a hotel as a security staff, you may qualify for this position.