Assistant Judges over the decades, have come from many backgrounds and walks of life - there truly is no stereotype. One only must be a resident of the county in which he or she will serve. It is common to see those with some kind of management experience in the office, but it is not a prerequisite.
Since it is an elected position, one must petition voters to get their name on the ballot. It is a four-year term, with elections in even-numbered years opposite the Presidential elections.