10,000+ Principal Systems Administrator jobs in Washington, DCSet Job AlertWant more jobs like this?We’ll send you jobs that match this search criteria. Get jobs in Washington, DC delivered to your inbox every week.Enter emailSend me The Muse newsletters for the best in career advice and job search tips.Get Jobs!By signing up, you agree to our Terms of Service & Privacy Policy.Principal Systems Administrator (AHT)At Northrop Grumman -Washington, DCPosted on Nov 19View JobPrincipal System AdministratorAt RTX -Springfield, VAPosted on Oct 17View JobSystems Administrator (Systems Administrator 4) - 4033At Alion Science and Technology -Fairfax, VAPosted on Nov 29View JobPrincipal Elasticsearch Systems EngineerAt Leidos -Reston, VAPosted on Sep 25View JobSystems AdministratorAt World Wide Technology -Ashburn, VA + 4 locationsPosted on Oct 3View JobPrincipal / Sr Principal Systems EngineerAt Northrop Grumman -Fairfax, VAPosted on Nov 19View JobPrincipal Linux System AdministratorAt RTX -Springfield, VAPosted on Oct 31View JobSystems AdministratorAt Leidos -Arlington, VAPosted on Nov 15View JobSpace Systems/ Principal Systems EngineerAt Northrop Grumman -Fairfax, VAPosted on Nov 19View JobSystems AdministratorAt Leidos -Arlington, VAPosted on Oct 3View JobSystem AdministratorAt Leidos -Alexandria, VAPosted on Oct 10View JobPrincipal Information System Security Officer (ISSO)At Leidos -Reston, VAPosted on Oct 26View JobCitrix Systems AdministratorAt Leidos -Alexandria, VAPosted on Nov 13View JobCitrix Systems AdministratorAt Leidos -Chevy Chase, MDPosted on Sep 26View JobSystem AdministratorAt Leidos -Chevy Chase, MDPosted on Oct 18View JobSr. Systems AdministratorAt Leidos -Washington, DCPosted on Oct 24View JobLinux Systems AdministratorsAt Leidos -Alexandria, VAPosted on Nov 13View JobWindows Systems AdministratorAt Leidos -Alexandria, VAPosted on Nov 13View JobLinux System AdministratorAt Leidos -Crofton, MDPosted on Sep 28View JobCloud Systems AdministratorAt Leidos -Reston, VAPosted on Sep 25View Job