Applying for a job with Maricopa County at jobs.maricopa. Gov is a simple online process.Applying for a job with Maricopa County is a simple online process. Our Four-step Application Process. One: An application is submitted for an open position and, after the job posting close date, all applicants are reviewed. Search for jobs, apply for unemployment, meet with a workforce specialist from home! You can receive no-cost employment readiness services. Want to become a student? Fill out our Help Me form and we will contact you with assistance and information. The Arizona Joint Tax Application (JT-1) is used to apply for transaction privilege tax, use tax, and Employer Withholding and Unemployment Insurance.