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10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
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10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
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Last 30 days
Senior Systems Engineer: EW/ASE, Secret Clearance (On-Site)
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Amatriot Group
Hyattsville, MD
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer
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Amatriot Group
Hyattsville, MD
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Staff Systems Engineer: MBSE & Architecture, Secret
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Northrop Grumman
Roy, UT
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Defense & Ground Vehicle Systems
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DCS
Brooklyn, NY
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Defense & Aerospace Systems
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Textron
Layton, UT
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Deputy PM, Airborne EW
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Synectic Solutions
Hyattsville, MD
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Defense Systems Engineer - Secret Clearance
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Raytheon
Huntsville, AL
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer (Washington Navy Yard)
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Arena Technologies
Washington, DC
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Naval Systems Engineer - DoDAF & Combat Systems
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Tmc Technologies
King George, VA
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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System Security Engineer (Anti-Tamper) Jobs
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ClearanceJobs
Patuxent River, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Missile Defense Systems Engineer
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Unitedstatesdepartmentofdefens
Huntsville, AL
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Open Rank) - DoD LMOC
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Georgia Tech Research Institute
Phoenix, AZ
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer Associate
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Lockheed Martin
Colorado Springs, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Network Engineering Lead
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Gridiron It Solutions
Denver, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Integration Engineer (Combat Systems)
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Vtg
Andrews Air Force Base, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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FUTURE RE-ENTRY SYSTEMS ENGINEER
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U.S. Marine Corps
Washington, DC
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - TS clearance required
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Progeny Systems Acquired By General Dynamics
Taunton, MA
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Junior Systems Engineer - Radar & Precision Weapons
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Tsc
Huntsville, AL
L4 Mid
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Senior NC3 Mission Systems Engineer (TS/SCI Eligible)
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Socket
Bedford, MA
L6 Lead
September 21st, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - DoD Acquisition Specialist
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DCS
Brooklyn, NY
L6 Lead
September 21st, 2026
Computer Systems Engineers/Architects
National Security
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Mission Systems Engineer, Senior
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MITRE
St Petersburg, FL
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Principal/Senior Principal Engineer, Systems
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Jobtailor
El Paso, TX
L6 Lead
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Principal Systems Engineer - Secure Military Comms
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Rtx Raytheon
Cedar Rapids, IA
L5 Senior
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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FCS Auxiliary and Training Systems - Systems Engineer Intern
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General Dynamics
Pittsfield, MA
L1 Intern
September 24th, 2026
Computer Systems Engineers/Architects
National Security
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Senior MBSE Engineer for National Security Systems (TS/SCI)
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KBR
Beavercreek, OH
L6 Lead
September 24th, 2026
Computer Systems Engineers/Architects
National Security
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Staff Systems Design Engineer (MBSE) - Secret Clearance
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Northrop Grumman
Rolling Meadows, IL
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Systems of Systems Integration Engineer SME
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Astrion Group
Huntsville, AL
L6 Lead
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Staff Systems Design Engineer – MBSE & DoD Systems
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Northrop Grumman
Rolling Meadows, IL
L6 Lead
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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Junior Systems Engineer
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Precise Systems
Lexington Park, MD
L5 Senior
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Missile Defense Systems Engineer (Secret Clearance)
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RTX
Huntsville, AL
L6 Lead
September 9th, 2026
Computer Systems Engineers/Architects
National Security
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Junior Distribution Systems Engineer Onsite in Hawaii
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General Dynamics Information Technology
Aiea, HI
L4 Mid
September 9th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - Strategic Weapons Control
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General Dynamics Mission Systems
Pittsfield, IL
L6 Lead
September 8th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer II: Defense Systems & Integration
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Textron
Brooklyn, NY
L4 Mid
September 10th, 2026
Computer Systems Engineers/Architects
National Security
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SME - System Engineer, Subject Matter Expert - 29059 * Jobs
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Clearance
Dayton, OH
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Mission Systems Engineer, Senior Jobs
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Clearance
McLean, VA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
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Waypoint Human Capital
Huntsville, AL
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Mid-Level Systems Engineer Jobs
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Clearance
Arlington, VA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Aegis SM-3 Senior Systems Engineer Jobs
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Clearance
Dahlgren, VA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer Chief
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Science Applications International
Texas City, TX
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - Strategic Weapons Control
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General Dynamics
Pittsfield, MA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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