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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
CECS II Field Support Representative (Region 5)
APPLY
General Dynamics Information Technology
Dayton, OH
L5 Senior
July 31st, 2026
Information Security Analysts
National Security
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Senior Staff Network Communications Engineer - UAE Tech Refresh
APPLY
Lockheed Martin
Colorado Springs, CO
L5 Senior
August 3rd, 2026
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National Security
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Deployable Network Communications (Level 2 or 3)
APPLY
Northrop Grumman
Beale AFB, CA
L5 Senior
August 3rd, 2026
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National Security
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AI/ML Engineer for National Security (Remote/Hybrid)
APPLY
Booz Allen Hamilton
Arlington, VA
Remote
L5 Senior
August 3rd, 2026
Data Scientists
National Security
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Mission-Critical ML Engineer | Secret Clearance Ready
APPLY
Booz Allen Hamilton
Alexandria, VA
L5 Senior
August 3rd, 2026
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National Security
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Mult Function Info Systems- MFA ALIS (Swidwin Poland)
APPLY
Lockheed Martin
Greenville, SC
L6 Lead
August 3rd, 2026
Network and Computer Systems Administrators
National Security
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Information Technology (SYSADMIN)
APPLY
Usholocaustmemorialmuseum
Washington, DC
L6 Lead
August 3rd, 2026
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National Security
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Sr Principal Engineer Field Secret Clearance - 19167
APPLY
Northrop Grumman
Roy, UT
L6 Lead
July 27th, 2026
Architectural and Engineering Managers
National Security
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Supervisory Information Technology Specialist
APPLY
Ustreasuryfinancialcrimesenforcementnetwor
Oakton, VA
L7 Manager
August 4th, 2026
Computer and Information Systems Managers
National Security
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STINGRAI Information Assurance Engineer (Engineer Info Assurance 2)- 29315
APPLY
HII
Tampa, FL
L6 Lead
August 3rd, 2026
Information Security Engineers
National Security
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Senior Network Engineer - Security Systems & Networks
APPLY
MC Dean
Falls Church, VA
L5 Senior
August 7th, 2026
Computer Network Architects
National Security
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Security-Cleared Implementations Network Engineer IV
APPLY
Leidos
Shiloh, IL
L5 Senior
August 7th, 2026
Computer Network Architects
National Security
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Node Integration Program Lead - Defense Systems
APPLY
Northrop Grumman
Bellevue, NE
L4 Mid
August 7th, 2026
Project Management Specialists
National Security
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CCSG/Airwing Embarkable Integration
APPLY
Nextech Solutions
Tampa, FL
L6 Lead
August 7th, 2026
Network and Computer Systems Administrators
National Security
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IT SPECIALIST (SYSADMIN)
APPLY
Usnavaleducationandtrainingcommand
Virginia Beach, VA
L6 Lead
August 7th, 2026
Network and Computer Systems Administrators
National Security
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IT System Administrator/
APPLY
Quickservicesll
Dayton, OH
L5 Senior
July 20th, 2026
Network and Computer Systems Administrators
National Security
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RMF Cybersecurity Engineer - DoD Combat Systems
APPLY
Technomics
Arlington, VA
L6 Lead
August 8th, 2026
Information Security Engineers
National Security
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Senior System Administrator IV - TS/SCI, Cyber Systems
APPLY
Semper Valens Solutions
Springfield, IL
L5 Senior
July 28th, 2026
Network and Computer Systems Administrators
National Security
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Senior IT Systems & Network Specialist
APPLY
Socket
Washington, DC
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Afloat Naval Network Engineer IV (CANES)
APPLY
Sigma Defense Systems
San Diego, CA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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1010 - Tier II Network Engineer
APPLY
Sigma Defense
Fort Bragg, NC
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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DoD Network Engineer X-Lab Deployments & Secure WAN
APPLY
Staff Source
Colorado Springs, CO
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Mission-Driven Fixed Wireless & Simulation Network Engineer
APPLY
General Dynamics Information Technology
Juneau, AK
L4 Mid
August 8th, 2026
Computer Network Architects
National Security
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JDNA Engineer - Link-16 Ops & Network Support
APPLY
JT4
North Las Vegas, NV
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Chat Systems Administrator I Military IT Ops and Support
APPLY
Trace Systems
Columbia, SC
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
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TS/SCI Systems Administrator - 24/7 Mission Support
APPLY
Pingwind
Ayer, MA
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Systems Application Analyst 3 at V2X Fort Irwin, CA
APPLY
Cdl Labor Logistics
Fort Irwin, CA
L5 Senior
August 7th, 2026
Network and Computer Systems Administrators
National Security
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Sustainment Systems Specialist
APPLY
KBR
Colorado Springs, CO
L6 Lead
August 1st, 2026
Project Management Specialists
National Security
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Systems Analyst (Naval Systems)
APPLY
Theamatriotgroup1
Coronado, CA
L5 Senior
August 11th, 2026
Computer Systems Analysts
National Security
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Network Tier 3 Engineer
APPLY
Decision Point
Shiloh, IL
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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GNOSC Watch Officer/ Network Engineer IRES - SSFB
APPLY
Amentum
Colorado Springs, CO
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Space Security Operations Integrator Colorado Springs
APPLY
Aero
Colorado Springs, CO
L5 Senior
August 8th, 2026
Aerospace Engineers
National Security
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Senior Federal Network Engineer Critical Infra (DOE)
APPLY
General Dynamics
Germantown, MD
L6 Lead
August 8th, 2026
Computer Network Architects
National Security
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Senior Classified Systems Administrator
APPLY
Arena Technologies
Alexandria, VA
L6 Lead
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Senior Network Engineer - Secret-Cleared Security Systems
APPLY
MC Dean
San Antonio, TX
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Mission-Critical Network Engineer (DoD Clearance)
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King Technologies
San Diego, CA
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
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IT SPECIALIST (SYSADMIN/INFOSEC)
APPLY
Socket
Monterey, CA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
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Mission-Critical O&S Network Engineer (Hybrid)
APPLY
Socket
Colorado Springs, CO
L4 Mid
August 8th, 2026
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National Security
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Secured Communications Network Engineer (Cisco/VOIP)
APPLY
General Dynamics Information Technology
Bluemont, VA
L5 Senior
August 7th, 2026
Computer Network Architects
National Security
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ACAS Administrator - DOD
APPLY
Innovim
Denver, CO
L6 Lead
August 8th, 2026
Network and Computer Systems Administrators
National Security
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