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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
Filter
<
Date
Last 30 days
Systems Engineer (Advanced Manufacturing and Compute)
APPLY
Act1 Federal
Arlington, VA
L7 Manager
October 2nd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
COMSEC & Cryptographic Modernization Architect - G-6
APPLY
Missing Link Communications
Fort Belvoir, VA
L6 Lead
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Interoperability and Integration Engineer, Sr - PR
APPLY
P E Systems Va
Hanscom Air Force Base, MA
L6 Lead
September 24th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - PM IEN
APPLY
Janus Research Group
Fort Belvoir, VA
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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IT Infrastructure Deployment Engineer
APPLY
Mag Usa
Tobyhanna, PA
L4 Mid
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Act1
Arlington, VA
L6 Lead
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Computer Engineer
APPLY
United States Government
Denver, CO
L6 Lead
September 20th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer with Security Clearance
APPLY
Kihomac
Fort Cobb, OK
L6 Lead
September 25th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Journeyman) - PMA 272
APPLY
Synectic Solutions
North Charleston, SC
L5 Senior
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Naval Mission Planning System (NavMPS) STORM/CMBRE Systems Engineer (Senior) - PMA 281
APPLY
Synectic Solutions
North Charleston, SC
L6 Lead
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Intermediate Configuration Analyst
APPLY
Modern Technology Solutions
Colorado Springs, CO
L5 Senior
September 25th, 2026
Computer Systems Engineers/Architects
National Security
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MBSE System Architect for Military Training Simulations
APPLY
CAE
Tampa, FL
L6 Lead
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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C-sUAS Systems Engineer
APPLY
Chenega Security International
Arlington, VA
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Principal Systems Architect - Mission-Critical (CO)
APPLY
SAIC
Colorado Springs, CO
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Principal Systems Engineer - Weapons & Energetics
APPLY
Best Infosystems
Fort Wayne, IN
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Lead DoD Systems Safety Engineer
APPLY
Basic Commerce Industries
Dahlgren, VA
L6 Lead
September 29th, 2026
Computer Systems Engineers/Architects
National Security
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SkillBridge Intern: Tech & Defense Systems (Active Duty)
APPLY
Simventions
Fredericksburg, VA
L1 Intern
September 29th, 2026
Computer Systems Engineers/Architects
National Security
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Senior AV (Audio Visual) Engineer with Security Clearance
APPLY
Cosolutions
Offutt Air Force Base, NE
L5 Senior
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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Federated Interoperability Requirements Specialist
APPLY
Tekpillar
Norfolk, VA
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
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Multi-Domain & Joint Effects Integration Support Analyst
APPLY
Global C2 Integration Technologies
Norfolk, VA
L6 Lead
September 24th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - CIPT
APPLY
General Dynamics Mission Systems
Denver, CO
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Pentagon Mission Integrator
APPLY
SAI
Arlington, VA
L7 Manager
October 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - Space Ground Systems (TS/SCI)
APPLY
Auria
Chicago, IL
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Field Systems Engineer - Military Communications, 50% Travel
APPLY
Galtaero
San Diego, CA
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - Mission-Critical IT & SoS
APPLY
Lockheed Martin
Orlando, FL
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Secret-Cleared Systems Engineer for DoD Network & Cyber
APPLY
Janus
Fort Belvoir, VA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer III - Defense Networking & Cyber
APPLY
Eliassen Group
Fort Belvoir, VA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Secret Clearance) for DoD MBSE & Testing
APPLY
Innovative Defense Technologies
Arlington, VA
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - DoD Secret, Navy Combat Systems Training
APPLY
Msccn
Dahlgren, VA
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Interdisciplinary Systems Engineer - DoD Acquisition
APPLY
RPMGlobal
Oklahoma City, OK
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Secret-Cleared Systems Engineer - MBSE & Embedded
APPLY
Northrop Grumman
Huntsville, AL
L4 Mid
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Lead Systems Engineer - THAAD & Missile Defense
APPLY
Chenega Mios Sbu
Huntsville, AL
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Lead Systems Engineer - National Security & Defense Tech
APPLY
KBR
Chantilly, VA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Defense, TS/SCI, MBSE Lead
APPLY
ADP
Lincoln, MA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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TS/SCI Systems Engineer - Mission-Critical Infra
APPLY
Grvty
McLean, VA
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Lead System Integration & Test Engineer
APPLY
L3Harris Technologies
Fort Wayne, IN
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer Lead - Defense, Hybrid/Remote
APPLY
Helsing
Washington, DC
Remote
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer, Radar & Missile Defense
APPLY
Davidson Technologies
Colorado Springs, CO
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior DoD Systems Engineer & Test Leader
APPLY
Laukoa
Dayton, OH
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Lead Systems Engineer, Defense Systems & Integration
APPLY
Northrop Grumman
Huntsville, AL
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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