List experience that relates to the qualifications as required on the job announcement. Contra Costa County only accepts online applications.When viewing a job posting for a currently open examination, you can select the option that says 'Apply'. Welcome to Contra Costa County's on-line application process! How to fill out the Contra Costa County Employment Application Form? 1. Read the instructions carefully. 2. Denotes a required field. The Contra Costa County Office of Education is now providing email notifications for upcoming employment opportunities with the CCCOE. To apply, you must complete the FAFSA or Dream Act Application, plus the GPA Verification Form. Learn more about it.