Most photographers who work for someone else worked in a photography studio. Others worked for newspapers and magazines. Some worked for government or advertising agencies. Most camera operators worked for television shows or movie studios. A few were self-employed.
Most employers seek persons who really understand photography.
They need workers who can dream about new ideas. They look for workers who are creative. Some employers need persons who have a college degree in photography. Other courses such as those relating to science are helpful. Camera operators generally go to college or some other type of school.