Apply to Hair Stylist, Salon Manager, Receptionist and more! List experience that relates to the qualifications as required on the job announcement.It's a simple one-page form that includes personal information, educational background, reference info, and more. The applicant can fill out the form easily. How to fill out the Contra Costa County Employment Application Form? 1. Read the instructions carefully. 2. Apply to Beauty Advisor, Freelancer, Makeup Artist and more! 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'. Visit us at 2186 Contra Costa Blvd to learn more and apply today.