10,000+ Principal Sr Principal Systems Engineer jobs in Fairfax, VASet Job AlertWant more jobs like this?We’ll send you jobs that match this search criteria. Get jobs in Fairfax, VA 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 / Sr. Principal Systems EngineerAt Northrop Grumman -McLean, VAPosted on Nov 18View JobApply NowSr Principal II Systems AnalystAt BAE Systems -McLean, VAPosted on Jan 12View JobApply NowPrincipal/Sr. Principal Systems Engineer- TS/SCI w PolyAt Northrop Grumman -Fairfax, VAPosted on Nov 18View JobApply NowPrincipal / Sr Principal Systems Engineer (*Active TS/SCI required)At Northrop Grumman -Fairfax, VAPosted on Mar 4View JobApply NowSpace Principal Systems Engineer/Sr. Principal Systems EngineerAt Northrop Grumman -Fairfax, VAPosted on Jan 12View JobApply NowPrincipal Field Engineer or Sr. Principal Field EngineerAt Northrop Grumman -Fairfax, VAPosted on Jan 29View JobApply NowPrincipal Structural Engineer 3 / Sr. Principal Structural Engineer 4At Northrop Grumman -Dulles, VAPosted on Nov 18View JobApply NowPrincipal Network Engineer/ Sr. Principal Network Engineer - TS/SCI NeededAt Northrop Grumman -Chantilly, VAPosted on Dec 17View JobApply NowPrincipal ECLSS Engineer / Sr. Principal ECLSS Engineer - 3/4 (Tactical Space Systems)At Northrop Grumman -Dulles, VAPosted on Nov 18View JobApply NowPrincipal Thermal/Mechanical Engineer / Sr. Principal Thermal/Mechanical Engineer (Space/Satellite Systems) 3/4 - ability to obtain security clearanceAt Northrop Grumman -Dulles, VAPosted on Nov 18View JobApply NowPrincipal/Sr Principal On-Orbit Systems Engineer (Space/Satellite Systems)At Northrop Grumman -Dulles, VAPosted on Dec 17View JobApply NowPrincipal Thermal/Mechanical Engineer / Sr. Principal Thermal/Mechanical Engineer (Space/Satellite Systems) 3/4 - Active/Current Top Secret clearanceAt Northrop Grumman -Dulles, VAPosted on Nov 18View JobApply NowPrincipal Software Engineer/Sr. Principal Software Engineer (w/ System Administration) - TS/SCI Poly NeededAt Northrop Grumman -Washington, DCPosted on Jan 12View JobApply NowPrincipal Mechanical Engineer (Mechanisms) 3 -/ Sr. Principal Mechanical Engineer (Mechanisms) 4 - Tactical Space Systems DivisionAt Northrop Grumman -Dulles, VAPosted on Nov 18View JobApply NowPrincipal / Sr. Principal Contract AdministratorAt Northrop Grumman -McLean, VAPosted on Jan 29View JobApply NowSr. Principal Systems EngineerAt Northrop Grumman -Fairfax, VAPosted on Mar 4View JobApply NowPrincipal/Sr. Northrop Grumman (DOD Skillbridge) - Principal Systems Engineer- TS/SCI w PolyAt Northrop Grumman -Fairfax, VAPosted on Feb 3View JobApply NowPrincipal / Sr. Principal Core Engineer Network - TS/SCI w/ CI POLYAt Northrop Grumman -Chantilly, VAPosted on Mar 4View JobApply NowPrincipal/Sr Principal Simulation Software Engineer (Space /Satellite Systems)At Northrop Grumman -Dulles, VAPosted on Jan 12View JobApply NowPrincipal RF Payload Mechanical Engineer 3 / Sr. Principal RF Payload Mechanical Engineer 4At Northrop Grumman -Dulles, VAPosted on Dec 17View JobApply Now