I found this info. on the Princess site, hope it is what you were looking for:
They're sharp-looking and social-minded, energetic and easygoing. They're everywhere at once and always with a welcoming attitude and friendly smile. Who are these experienced professionals whose responsibilities range from navigating the ship to creating the day's activity plan? They're the onboard staff, and their primary concerns are ensuring your safety and providing you with the best vacation you've ever had. To help you get acquainted, the following is an introduction to who's who on board:
The Captain is in command of your ship and is your official host for the cruise. He is assisted by the ship's officers and staff, who are organized into departments. You can recognize an officer's department by the color of epaulet worn on his or her shoulders.
The Deck Department, headed by the Staff Captain, is responsible for all the duties performed by the officers manning the bridge. These seasoned professionals are distinguished by their black and gold epaulets. Safety and security fall under the jurisdiction of the Deck Department as does the maintenance of the ship's appearance. Members of the Deck Department paint the ship and keep the decks and swimming pools clean. In short, the Staff Captain and his crew are the people in charge of keeping your vessel shipshape throughout your cruise.
The Chief Technical Officer heads the Engine Department and is assisted by the Staff Engineer Officer and Staff Electro-Technical Officer. Departmental responsibilities include the ship's propulsion system, climate control and power generation. The Staff Electro-Technical Officer deals with electrical distribution and the ship's satellite and radio communications. Engineering Officers and Electro-Technical Officers wear burgundy and gold epaulets.
You'll recognize members of the Hotel Department by the white and gold epaulets on their uniforms. The Passenger Services Director is in charge, along with his Staff Purser and First Purser. The Purser's staff handles all of the hotel responsibilities for the entire ship -from stateroom, public room and dining room services to providing all food and supplies for both passengers and crew. Also in this department are a number of officers who don't wear epaulets, such as the Maitre d'Hotel who maintains the excellent standards of service in all dining areas, and the Executive Chef who supervises all food production on board.
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