Using proper grammar, good sentence structure, and a clean resume format will demonstrate your professionalism and expertise. Interview and Application Tips.A resume should list the most recent, last 10 years or so, of work history. The following information is a guide to help you build your resume and highlight your professional experiences (you likely have more than you realize). ✓Bring multiple copies of your resume, references, pen and paper for notes. Application – To apply for a civil service test, you must first apply to a classified job posting. External candidates should apply on the County's Job Board. Create a modern resume. Put your best foot forward when applying online and in-person. Apply to Warehouse Associate, Packer, Delivery Driver and more!