Graduating from a profile school will help you a lot, but it is not mandatory, as this is the type of job you get to learn by participating in as many specialisation courses as possible. That will help you understand what an electrician in Parramatta must do if you are willing to learn all the new and helpful things to get the job for such a position. What you need to do while working in this field involves installing and maintaining electrical installations and equipment; therefore, you need to have experience.