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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
Senior Machine Learning Engineer - Mission Innovation Lab
APPLY
Software Engineering Institute
Pittsburgh, PA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Communications & Datalinks Systems Engineer 4 (Remote)
APPLY
HII Mission Technologies Division
Dayton, OH
Remote
L6 Lead
September 18th, 2026
Computer Systems Engineers/Architects
National Security
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ESS Terminals Senior Systems Engineer
APPLY
Modern Technology Solutions
Los Angeles, CA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Simulation Systems Engineer - Image Generation - 29526
APPLY
HII Mission Technologies Division
Nellis, WV
L5 Senior
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer SME
APPLY
Modern Technology Solutions
Alexandria, VA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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IT Systems Administrator Specialist
APPLY
General Dynamics Mission Systems
Phoenix, AZ
L6 Lead
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Network Engineer / Metrics & Reporting / J-NEEO / Nellis AFB
APPLY
Lockheed Martin
Imlay, NV
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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System Integration/Test Engineer (Secret Clearance)
APPLY
Nesco Resource
Winter Park, FL
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Multi Functional Info Systems Analyst Sr - E3
APPLY
Lockheed Martin
Bakersfield, CA
L5 Senior
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer Stf - E4 (System Safety)
APPLY
Lockheed Martin
Dallas, TX
L6 Lead
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Ignite Digital Services
Alexandria, VA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
System Engineering Lead
APPLY
General Dynamics Mission Systems
Quincy, MA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer, Technology Release
APPLY
Anduril Industries
Alexandria, VA
L6 Lead
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Maritime Plaza)
APPLY
Mcr
Alexandria, VA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer II
APPLY
Textron Systems
Baltimore, MD
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Integrator
APPLY
Booz Allen Hamilton
Los Angeles, CA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer – Defense
APPLY
AST SpaceMobile
Laurel, MD
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Technical Operations Engineer, Intelligence Systems
APPLY
Anduril Industries
McLean, VA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Multi-Domain Autonomous System Specialist
APPLY
Parsons
Alexandria, VA
L5 Senior
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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SIGINT Systems Engineer
APPLY
Science Applications International
Aurora, CO
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Chief System of Systems Integrator
APPLY
Booz Allen Hamilton
Los Angeles, CA
L7 Manager
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Reliability Engineer Stf - E4
APPLY
Lockheed Martin
Mt Laurel, NJ
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Datalink Engineer
APPLY
Booz Allen Hamilton
Leonardtown, MD
L5 Senior
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Mission Operations Engineer, Connected Warfare (Active Clearance)
APPLY
Anduril Industries
Irvine, CA
L7 Manager
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Vtg
Washington, NC
L6 Lead
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer
APPLY
ASRC Federal
Aberdeen Proving Ground, MD
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Evolved Strategic Systems (ESS) Ground Systems Integration Engineer
APPLY
Modern Technology Solutions
Los Angeles, CA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer 2 - 23836 (FS Poly Required)
APPLY
HII Mission Technologies Division
Hyattsville, MD
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Hiring Cleared Enterprise IT & Mission Support Specialists - TS SCI w Poly OR Poly Obtainable
APPLY
Peraton
McLean, VA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer Sr Stf - E5
APPLY
Lockheed Martin
Dallas, TX
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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ESS Terminals Systems Engineer
APPLY
Modern Technology Solutions
Los Angeles, CA
L5 Senior
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer, Principal - TS
APPLY
DCS
Somerville, MA
L6 Lead
September 5th, 2026
Computer Systems Engineers/Architects
National Security
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Staff Systems Engineer, Mission Autonomy, Active Clearance
APPLY
Anduril Industries
Irvine, CA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Safety Engineer
APPLY
Odyssey Systems Consulting Group
Fort Walton Beach, FL
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer 3 - 23837 (FS Poly Required)
APPLY
HII Mission Technologies Division
Hyattsville, MD
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer Stf - E4
APPLY
Lockheed Martin
Englewood, CO
L7 Manager
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Secure Data/Voice Solutions Architect
APPLY
General Dynamics Mission Systems
Quincy, MA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Nuclear Detection Systems Engineer
APPLY
SAIC
El Segundo, CA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Nuclear Detection Systems Engineer
APPLY
SAIC
El Segundo, CA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Mission Systems Integrator- C-sUAS
APPLY
Sherpa 6
Alexandria, VA
L6 Lead
September 1st, 2026
Computer Systems Engineers/Architects
National Security
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