How do I complete an application? Click on the job title that you are interested in, review the job description, employment standards and supplemental questions (located on the tab).To speed up the onboarding process and prepare you for your first day, we have provided many of the forms you need to complete. Many can be filled out online. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: New applicants can apply online to be a substitute teacher or substitute instructional assistant through the FCPS Instructional Talent Gateway. Instructional Personnel Online Application Assistance. Ready to apply for an instructional position with us? We are excited that you are applying for a fellowship at Fairfax Church!