1. Change your address. 2. Change your phone number. 3.Application may be made using the Suffolk County Application for Employment (Forms CS-205A and CS-205B). 2. Application may also be made using the Suffolk County Application for Employment (Forms CS-205A and CS-205B). This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: After downloading and printing applicable forms, please fill out and mail to: Suffolk County Police Department Headquarters 30 Yaphank Ave Yaphank, NY 11980. Are you able to perform the "essential functions" of the job for which you are applying (with or without reasonable accommodation)?. Interested applicants must follow the directions in the "How to Apply" section of this flyer to be considered. How to fill out the Application for Employment Personal Information Form?