The person should be responsible, likes kids, be able to have fun, and still know when it is time to be serious Like any other employer, the interview portion of the hiring process is very important. You can gauge the nanny’s personality and professionalism with a comprehensive interview, which will play a significant role in your final decision. With a little help from your Hidden spy cam, you can replay the interview to reinforce or reject your initial choice. Usually, a more experienced and educated nanny should be preferred especially when her work experience indicates that she stayed with one family for an extended period.