Service & Hospitality Department :
These positions can also be called "hotel management" jobs. The common denominator with all of these jobs is that you are providing a direct service to passengers, whether it's cooking food, serving food or beverages, cleaning cabins, doing laundry, and a wide range of other duties. The purser also falls under this category. Pursers are in charge of all onboard accounting during each cruise.
Departments include : Food & Beverages Staff , Pursers , Hotel administration, Executive Chefs, House keeping Staff etc.
Personal Care & Medical Staff :
Workers in these jobs are also providing direct care to passengers, but services are in the form of massages, hair care, manicures, or even medical care. Of course you'll need to have the proper credentials or licenses before you can apply for any of these jobs.
Salon/Spa/Fitness : which includes - Beauty Therapist , Hair stylist , Fitness Instructor, Spa attendant , Massage therapist etc.
Medical Support : Nurses & Physician.