Go to the Recruitment and Selection link of Human Resources, select the appropriate link to our Career Centers to apply for any open Pima County position. Q) Do I have to fill out an application?Completed applications must be received in the Human. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: Are 18 years or older (except summer youth or youth worker program). Please carefully read and complete all areas of this application and sign the personal consent section on the last page. NAME: Last. First. Second.