Applying for a job with Maricopa County at jobs.maricopa. Gov is a simple online process.Enter the Job Title for which you are submitting an application. 0 of 50 max characters. Indicate your employment history since completing your formal education. List your current position first. STEP 1: In BLACK INK, please complete the forms in this packet with instructions below. No application fees. Click the video below to watch our last seminar or click on register to sign up for an upcoming session. Arizona transaction privilege tax (TPT), commonly referred to as a sales tax, is a tax on vendors for the privilege of doing business in the state.