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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
Show all >
Save
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Date
Last 30 days
Secret-Cleared Network Engineer - On-Site, X-Lab
APPLY
Northrop Grumman
Colorado Springs, CO
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
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Info Systems Analyst / Clearance Eligible / Onsite: Owego, NY
APPLY
Lockheed Martin
Owego, NY
L6 Lead
July 21st, 2026
Computer Systems Analysts
National Security
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Field Engineer, Sr - GMD Weapons Systems (GWS)
APPLY
Lockheed Martin Us
Huntsville, AL
L5 Senior
July 25th, 2026
Aerospace Engineers
National Security
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Department Chief Engineer - NORAD/NORTHCOM, SOUTHCOM, and STRATCOM
APPLY
MITRE
Bellevue, NE
L7 Manager
July 23rd, 2026
Engineers, All Other
National Security
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Senior Information Assurance Lead | DoD IA Architect(TS/SCI)
APPLY
Vtg Defense
Springfield, VA
L7 Manager
August 6th, 2026
Computer and Information Systems Managers
National Security
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Computer Scientist
APPLY
Department of the Air Force
Grissom Air Force Base, IN
L5 Senior
August 6th, 2026
Computer and Information Research Scientists
National Security
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Senior Transport Network Engineer - Secret Clearance
APPLY
Trace Systems
Goldsboro, NC
L5 Senior
August 6th, 2026
Telecommunications Engineering Specialists
National Security
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Principal Computer Operations Analyst - Regional COSA
APPLY
Northrop Grumman
Colorado Springs, CO
L3 Junior
July 22nd, 2026
Computer Systems Analysts
National Security
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Tech SETA – Security and Hardware
APPLY
Mcr
Arlington, VA
L6 Lead
July 29th, 2026
Electronics Engineers, Except Computer
National Security
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Network Systems Administrator
APPLY
General Dynamics Information Technology
Picacho, NM
L5 Senior
August 7th, 2026
Network and Computer Systems Administrators
National Security
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Systems Security Engineer III
APPLY
Snc
Lone Tree, CO
L6 Lead
August 7th, 2026
Information Security Engineers
National Security
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Title: IT and Cyber Officer Roles
APPLY
Corporate Gray
Norfolk, VA
L7 Manager
August 7th, 2026
Network and Computer Systems Administrators
National Security
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Senior DoD Network Engineer (RCDD) - 75% Travel
APPLY
Mission Technologies
Virginia Beach, VA
L5 Senior
August 7th, 2026
Telecommunications Engineering Specialists
National Security
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DoD Systems Administrator Windows, AD & VPNs
APPLY
Mission Technologies
Dayton, OH
L5 Senior
August 7th, 2026
Network and Computer Systems Administrators
National Security
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Network Engineer
APPLY
Sigma Defense Systems
Honolulu, HI
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Afloat Network Engineer IV - CANES & Navy IT
APPLY
Sigmadefense
San Diego, CA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Senior MILSATCOM Systems Administrator (RMF/IA)
APPLY
Nexone
Hyattsville, MD
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Windows Desktop Administrator
APPLY
Gd Information Technology
Bellevue, NE
L4 Mid
August 3rd, 2026
Network and Computer Systems Administrators
National Security
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Senior Network/System Admin DoD SAP (Top Secret)
APPLY
Sandymacevolution
Washington, DC
L6 Lead
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Specialist Systems Administrator
APPLY
Cdit
Springfield, IL
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
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DoD Network & Systems Administrator - Mission-Critical IT
APPLY
Jaaw Group
Quantico, VA
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Senior SIPRNet & Classified Systems Administrator
APPLY
Viasat
Carlsbad, CA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Security-Cleared Network Engineer - DoD ADNS Specialist
APPLY
Socket
San Diego, CA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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DoD ICS/SCADA Security Engineer
APPLY
Nationwide It Services
Fort Belvoir, VA
L6 Lead
August 8th, 2026
Information Security Engineers
National Security
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Systems Analyst
APPLY
Dhl Holdings
Austin, TX
L6 Lead
August 8th, 2026
Computer Systems Analysts
National Security
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Senior Implementations Network Engineer
APPLY
Leidos
Scott Air Force Base, IL
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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TS/SCI-Eligible IT Systems & Network Admin (Onsite)
APPLY
KBR
Beaufort, SC
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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VTC/VOIP Systems Administration, Associate
APPLY
Peraton
Phoenix, AZ
L5 Senior
August 1st, 2026
Network and Computer Systems Administrators
National Security
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IT Systems Specialist - Secure Data & Mission-Critical Ops
APPLY
Socket
Bethesda, MD
L6 Lead
August 8th, 2026
Health Informatics Specialists
National Security
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DoD Network Engineer (Secret) for X-Lab Deployments
APPLY
Staff Source
Colorado Springs, CO
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
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System Administrator 3: Secure IT & Access Control
APPLY
MC Dean
Fort Belvoir, VA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Mission-Critical Network Engineer | 50% Travel | DoD Cleared
APPLY
Serco
Atlanta, GA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Secret-Cleared Network Engineer
APPLY
Dcca
Fort Meade, MD
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
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Mission-Critical FRCS Systems Administrator
APPLY
Terrestris
Jacksonville, NC
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Senior DoD Network Engineer - 50% Travel, Secret Clearance
APPLY
Serco
Washington, DC
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
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Cyber Systems Test & Integration Specialist
APPLY
Naval Education Training Command
Millington, TN
L6 Lead
August 5th, 2026
Computer Systems Analysts
National Security
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Patriot Interoperability Test and Evaluation Engineer
APPLY
Colsa5
Huntsville, AL
L6 Lead
August 4th, 2026
Software Quality Assurance Analysts and Testers
National Security
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Space ISR Subject Matter Expert
APPLY
Modern Technology Solutions
Colorado Springs, CO
L5 Senior
August 5th, 2026
Information Security Analysts
National Security
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Senior Network Engineer
APPLY
SAIC
Colorado Springs, CO
L5 Senior
July 23rd, 2026
Network and Computer Systems Administrators
National Security
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Cybersecurity Specialist/RMF
APPLY
Colsa5
Dayton, OH
L6 Lead
July 27th, 2026
Information Security Analysts
National Security
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