Fairfax County operates under a merit system, which means that applicants are selected for jobs on the basis of their education, experience and skills. This guide describes how to apply for jobs using the Career Page web site.The process consists of the following steps: The following information will assist you in applying for jobs with Fairfax County. You may also download this helpful brochure to assist you. The first thing you should put on your job acceptance letter is the date. Include it underneath the header close to the top of your letter. Changes in the work, satisfactory to Fairfax County Public Schools. O Cover Letter o Writing Sample o School Transcript (internship only). • Process o Apply online and office will follow-up for interview(s).