Applying for a job with Maricopa County at jobs.maricopa. Gov is a simple online process.A cover letter is a three- to four-paragraph memo to employers that explains your interest in the job and company as well as your qualifications for the role. Many of the forms need to be downloaded before you can make edits. This letter serves as a pivotal tool in commencing your new role with confidence, setting forth clear expectations, and offering reassurance to the company. Empower students to receive free tuition for in-demand careers through Route to Relief at Maricopa Community Colleges. Additional materials will not be accepted after the job posting has closed. Missing materials or incomplete employment history will not be considered. MAG provides regional planning and policy decisions in areas of transportation, air quality, water quality, and human services for Maricopa County.