When you learn circuits and electrical circuitry, you can find career opportunities in electrical work in many fields, as there is a widespread demand for trained electrical technicians. The careers you can start or continue include an apprentice electrician or journeyman electrician. In a power utility or electrical facility, you may learn more about circuits in jobs like distribution engineer, public utilities specialist, and electric instrumentation technician. In these jobs, you likely will need certification as a maintenance electrician or an instrument and control repairman.