Collin County only accepts online applications. If you do not have a computer, we have computers in the Human Resource lab for your use that are.The Summary tab will show you a snap shot of the application. The Attachments tab will contain copies of their transcripts, resume, certifications, etc. How do I submit my resume? Hover over the Jobs menu in the main directory and then click the Manage Requisitions menu. 2. Learn how to write effective resumes and cover letters, view sample resumes and cover letters, and get tips for completing job applications.