Nuclear operators are licensed workers who are responsible for making sure power keeps flowing safely from nuclear power plants. They make adjustments as necessary and respond to any abnormalities.
The US Bureau of Labor Statistics predicts this occupation will grow more slowly than others through 2020, but they also say it is one of the best paying careers for which the highest level of required education is a high school diploma (Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, 2012-13 Edition). Aspiring nuclear operators receive on-the-job training. They also get technical training that prepares them for a licensing exam that is administered by the United States Nuclear Regulatory Commission.
If you are interested in this occupation you should begin to research it. Read Nuclear Operator: Career Information for facts about job duties, earnings and advancement opportunities. Since people who actually do a job can often provide the best information, try to interview someone who works in this field. If you don't know anyone, maybe someone in your network does.