10,000+ System 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.System AdministratorAt CGI Group, Inc. -Fairfax, VAPosted on Apr 4View Job Linux System AdministratorAt Leidos -Alexandria, VAPosted on Feb 25View Job GPS Security-System AdministratorAt Deloitte -Washington, DC + 5 locationsPosted on Mar 22View Job Principal System Administrator (Remote)At Capital One -McLean, VA / RemotePosted on Feb 28View Job Systems Administrator (Systems Administrator 4) - 4033At Alion Science and Technology -Fairfax, VAPosted on Nov 29View Job System AdministratorAt CGI Group, Inc. -Washington, DCPosted on Apr 3View Job NGDE System AdministratorAt Leidos -Alexandria, VAPosted on Jan 7View Job System Administrator, Linux (TS/SCI w/ Poly Required) - Washington DC; Reston VA; Colorado Springs CO; Tampa FL; St Louis, MO; Huntsville ALAt Deloitte -Arlington, VA + 4 locationsPosted on Feb 18View Job Active Directory System AdministratorAt Leidos -Alexandria, VAPosted on Nov 1View Job System Administrator (Shift) Level 1At Leidos -Laurel, MDPosted on Mar 13View Job SCCM/MECM System AdministratorAt Leidos -Alexandria, VAPosted on Mar 20View Job System Engineers & AdministratorsAt Leidos -Springfield, VAPosted on Feb 22View Job Linux Systems AdministratorAt Leidos -Alexandria, VAPosted on Mar 4View Job Citrix Systems AdministratorAt Leidos -Chevy Chase, MDPosted on Mar 18View Job Senior Systems AdministratorAt Leidos -Greenbelt, MDPosted on Feb 15View Job Windows Systems AdministratorAt Leidos -Alexandria, VAPosted on Apr 2View Job Windows Systems AdministratorAt Leidos -Capitol Heights, MDPosted on Mar 19View Job Systems AdministratorAt Leidos -Reston, VAPosted on Mar 17View Job Exchange Systems Administrator (SME)At Leidos -Alexandria, VAPosted on Dec 31View Job Information System Security Officer (ISSO)At Leidos -Gaithersburg, MDPosted on Mar 13View Job