List experience that relates to the qualifications as required on the job announcement. An incomplete application packet may disqualify an applicant.How to fill out the Contra Costa County Employment Application Form? 1. Read the instructions carefully. 2. Click on the job title, and then Apply, to complete the application. You can use Remove if you want to delete an application without completing it. Other Documentation: Any other documentation requested in the job announcement such as permit, license, or certificate. This PDF is an Application for Employment form that candidates need to fill out to apply for job positions. What is the Close Date on a job posting? How do I complete an online application?