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10,000+
"application security engineer"
jobs
in
National Security
in last 30 days
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10,000+
"application security engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
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Date
Last 30 days
Senior Systems Engineer - RF & Multi-Domain Ops Lead
APPLY
Odyssey Systems
Tampa, FL
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Staff Systems Engineer Secret Clearance, 10% Travel
APPLY
Northrop Grumman
San Diego, CA
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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35T Military Intelligence Systems Maintainer/Integrator
APPLY
National Guard OMD
Durham, NC
L4 Mid
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Military Skillbridge Space Network Systems Engineer - TS SCI Poly
APPLY
Northrop Grumman
Aurora, CO
L1 Intern
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - Technical Data Package Delivery (Principal or Sr. Principal Engineer Level)
APPLY
Northrop Grumman
Melbourne Beach, FL
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Sentinel - Subcontract Technical Engineer (T02 - T03) - 19139*
APPLY
Northrop Grumman
Salt Lake City, UT
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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DoD Skillbridge Internship for Transitioning Military Service Me Jobs
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ClearanceJobs
El Segundo, CA
L1 Intern
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer-Clearance Required
APPLY
Lockheed Martin
Centennial, CO
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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CUAS Systems Engineer - Secret-Clearance Eligible
APPLY
Decision Technologies
Arlington, VA
L5 Senior
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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External Job Posting Title Senior Systems Engineer - Segment lead
APPLY
Peraton
Colorado Springs, CO
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Field Shelter Systems Engineer
APPLY
Northrop Grumman
Boulder, CO
L3 Junior
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer
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KBR
Lexington Park, MD
L6 Lead
September 1st, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Air Dominance & Armament (Onsite)
APPLY
Credence Company
Eglin Air Force Base, FL
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Secret-Cleared Systems Engineer: Secure Wireless & Network
APPLY
Thinktekllc
Alexandria, VA
L5 Senior
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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IT CYBERSECURITY SPECIALIST (SYSANALYSIS/INFOSEC)
APPLY
Us Defense Information Systems Agency
Montgomery, AL
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Defense Incident Responder (CDIR) - Colorado Springs, Colorado
APPLY
Davidsontechnologiesinc
Colorado Springs, CO
L5 Senior
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer SME (wireless / CSfC)
APPLY
Mag Aerospace
Fayetteville, NC
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
New Era Technologies
Huntsville, AL
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Program Engineer - Systems Security
APPLY
Odyssey Consulting
Eglin Air Force Base, FL
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Datalinks - Engineer
APPLY
JT4
Bakersfield, CA
L5 Senior
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Reliability and Maintainability - Engineer
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JT4
Bakersfield, CA
L5 Senior
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Washington Navy Yard) Jobs
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Clearance
Andrews Air Force Base, MD
L6 Lead
September 1st, 2026
Computer Systems Engineers/Architects
National Security
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Audio/Visual (A/V) Systems Engineer (Engineer Communication Sys Jobs
APPLY
Clearance
Nellis Air Force Base, NV
L5 Senior
September 7th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Program Engineer - Systems Security
APPLY
Odyssey Systems Consulting Group
Niceville, FL
L6 Lead
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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Senior System Safety Engineer
APPLY
Anduril
Atlanta, GA
L6 Lead
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Test Engineer (Engineer Systems Test 5)
APPLY
HII
Albuquerque, NM
L6 Lead
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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SITEC - Storage Engineer - MacDill AFB
APPLY
Peraton
Tallahassee, FL
L5 Senior
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Washington Navy Yard)
APPLY
Planning
Washington, DC
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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IT SPECIALIST (INFOSEC) (STEM)
APPLY
United States Government
Washington, DC
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Systems Engineer / Systems Architect – Modular Weapons GRA
APPLY
KBR
Eglin Air Force Base, FL
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Secure NC3 Communications
APPLY
P E Systems Va
Lincoln, MA
L5 Senior
September 20th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer
APPLY
Strategic Data Systems
Arlington, TX
L6 Lead
September 20th, 2026
Computer Systems Engineers/Architects
National Security
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Engineer Systems 3
APPLY
HII Mission Technologies Division
Quantico, VA
L6 Lead
September 20th, 2026
Computer Systems Engineers/Architects
National Security
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Top Secret/SCI Systems Engineer NC3 Ops Leader
APPLY
Thecseteam
Bellevue, NE
L5 Senior
September 21st, 2026
Computer Systems Engineers/Architects
National Security
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Principal Systems Engineer - Secure Systems (Active Clearance)
APPLY
Collins Aerospace
Dayton, OH
L6 Lead
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - RDC Warfighter Support Team
APPLY
Raytheon
Colorado Springs, CO
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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USPACOM J2 Intelligence Data Layer Engineer
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MITRE
Honolulu, HI
L6 Lead
September 10th, 2026
Computer Systems Engineers/Architects
National Security
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Computer Engineer
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U.S. Department of War
Denver, CO
L6 Lead
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Global Hawk Sr. Engineer, Svc, Eng - Remote
APPLY
RTX
Denver, CO
Remote
L5 Senior
September 21st, 2026
Computer Systems Engineers/Architects
National Security
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DOD SkillBridge Program - Competitive 401(k) programs
APPLY
Simventions
Woodbridge, VA
L1 Intern
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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