This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps:What is the Close Date on a job posting? How do I complete an online application? 1. Fill out the application and have your parent or guardian sign the application. 2. How to fill out the Nassau County Civil Service Application for Examination? Fill out the pdf form online, download the pdf and email the filled out form with your resume to the email listed on the job posting. Your application must include the employment application (UCS-5) form. Only complete this form if the parent(s) of any child(ren) in need of child care is(are) NOT in the household. Photo of smiling student in library.