After viewing the descriptions and qualifications of the job, click apply to job. New applicants will need to create a login and complete the application.The following information will assist you in applying for jobs with Fairfax County. You may also download this helpful brochure to assist you. New applicants can apply online to be a substitute teacher or substitute instructional assistant through the FCPS Instructional Talent Gateway. Explain who you are and your reason for writing, including how you found out about the position. This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps: Complete and submit the online application to include three professional references with contact information, and provide a cover letter and resume. I am writing to express my deep interest in the open elementary-level teaching position in your school district.