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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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Date
Last 30 days
Senior Principal Systems Engineer – Military Communications
APPLY
Collins Aerospace
Cedar Rapids, IA
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Secret-Cleared ML Engineer: DoD ML Ops & Pipelines
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Socketdev
Arlington, VA
L5 Senior
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Chief Technology Officer
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Defense Information Systems Agency
Baltimore, MD
L8 Director
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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ML Engineer — DoD ML Ops & Secure Inference (Arlington)
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Jaaw Group
Arlington, VA
L5 Senior
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Enterprise Architect - Defense IT & Security
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Air Force Civilian Service
Fort Washington, MD
L7 Manager
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Systems Engineer — Secret Clearance (Onsite CA)
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Northrop Grumman
Los Angeles, CA
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - Mid-level - Secret Clearance - Dayton/WPAFB
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HII
Dayton, OH
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Weekend Overnight Operator
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Raytheon
Springfield, VA
L5 Senior
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Sr. SOF Cyberspace Operations Specialist
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CACI International
Fort Liberty, NC
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Windows Systems Engineer SME
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Synectic Solutions
Norco, CA
L5 Senior
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Windows Systems Engineer SME
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Synecticsolutionsinc
Norco, CA
L5 Senior
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Sr. Systems Engineer Jobs
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Abacus Technology
Oklahoma City, OK
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Cyber Systems Engineer – Cyber A&A Engr (26-324)
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Northrop Grumman
Colorado Springs, CO
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer Principal
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General Dynamics Information Technology
McChord Air Force Base, WA
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Integrator with Security Clearance
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Sherpa 6
Natick, MA
L5 Senior
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Ground Systems Operator - SCI Clearance (SkillBridge)
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Northrop Grumman
Aurora, CO
L4 Mid
September 29th, 2026
Computer Systems Engineers/Architects
National Security
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Army VANTAGE LLM Engineer Fine-Tune & RAG Architect
APPLY
Noblis
Oklahoma City, OK
L6 Lead
September 29th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Integration Engineer - Defense & Air Force
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Credence Company
Oklahoma City, OK
L5 Senior
September 21st, 2026
Computer Systems Engineers/Architects
National Security
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Senior Weapon System Integration Engineer
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Boeing
Hazelwood, MO
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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Field Operations Engineer Sr.
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Leidos
Huntsville, AL
L5 Senior
September 25th, 2026
Computer Systems Engineers/Architects
National Security
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Field Mission Operations Specialist
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Shift5
New York, NY
L5 Senior
September 29th, 2026
Computer Systems Engineers/Architects
National Security
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Secret-Cleared Systems Engineer - Cyber & C5ISR
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Mission Technologies
Dayton, OH
L6 Lead
September 29th, 2026
Computer Systems Engineers/Architects
National Security
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Federation Manager (Engineer Systems 3)
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HII Mission Technologies Division
Camp Pendleton Marine Corps Base, CA
L6 Lead
September 28th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
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Credence Company
Florida, NY
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Training Systems Engineer
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Aviation Systems Engineering Company
Hyattsville, MD
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - (Crane, Indiana) Jobs
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ClearanceJobs
Crane, IN
L7 Manager
September 1st, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - MBSE & DoD Digital Engineering
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Kinsley Power Systems
Colorado Springs, CO
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer with Security Clearance
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CAE
Johnson City, NY
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Weapons & Combat Systems Engineer
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Jimmy Jazz
Dahlgren, VA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior DoD Systems Engineer, Weapon Systems & Integration
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Asec
California, MO
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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IT Specialist (SYSADMIN/INFOSEC)
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Defense Information Systems Agency
Fort Meade, MD
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Sentinel - Thread Support Staff Systems Engineer - 17388
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Northrop Grumman
Salt Lake City, UT
L6 Lead
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Weapons - Engineer
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JT4
Bakersfield, CA
L5 Senior
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Combat Systems Integration Engineer - Navy Yard, Washington, D.C.
APPLY
Serco29660aa5
Washington, DC
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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DOD SkillBridge Program - Industry leading benefits package
APPLY
Simventions
Stafford, VA
L1 Intern
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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IT SPECIALIST (INFOSEC)
APPLY
Naval Information Warfare Systems Command
San Diego, CA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Cyber Systems Engineer – Top Secret Clearance
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Relha
San Diego, CA
L5 Senior
September 7th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Integrator
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Sherpa6
Hurlburt Field, FL
L5 Senior
September 18th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Product Support Engineer
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Modern Technology Solutions
Las Vegas, NV
L6 Lead
September 18th, 2026
Computer Systems Engineers/Architects
National Security
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INFORMATION TECHNOLOGY SPECIALIST (ENTARCH) - DIRECT HIRE AUTHORITY
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National Gallery Of Art
Clovis, NM
L6 Lead
September 18th, 2026
Computer Systems Engineers/Architects
National Security
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