UK hospitales are hiring constantly. If you want the opportunity to find a job easily anywhere you go and be able to progress in your career, you should look into becoming a nurse. Start by looking at Nursing Jobs UK: the number of positions available means this is a good sector to specialize yourself in.
Becoming a nurse will take you a few years, but the knowledge gained is priceless. Once your formation is over, you will probably have to complete an internship to get used to your job. If you are successful with your internship, you will then receive a certification and start looking for a job. Working as a nurse pays very well and is incredibly rewarding. It can be stressful at times and time-consuming, but you will always have the satisfaction of being a useful member of society and contributing to saving lives everyday as well as being a role-model for your children.