New applicants can apply online to be a substitute teacher or substitute instructional assistant through the FCPS Instructional Talent Gateway. STEP 1: Complete the Student Employment Application.The following information will assist you in applying for jobs with Fairfax County. You may also download this helpful brochure to assist you. Step 1: Search for Instructional Positions Step 2: Confirm Qualifications in Area(s) of Interest Step 3: Apply Online Manual Youth Employment Certificate Application forms may also be submitted to the Department as an alternative to using the electronic system. Click on the job title that you are interested in, review the job description, employment standards and supplemental questions (located on the tab). This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: We are excited that you are applying for a fellowship at Fairfax Church!