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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
Staff Cyber Systems Engineer
APPLY
Northrop Grumman
Winters, TX
L6 Lead
August 26th, 2026
Computer Systems Engineers/Architects
National Security
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COMSEC Engineer, Mid
APPLY
Booz Allen Hamilton
Arlington, VA
L5 Senior
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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Full Spectrum Cyber Capability and Operations Expert
APPLY
Lincoln Laboratory
Somerville, MA
L7 Manager
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer: Cryptography & DoD (Secret)
APPLY
Nathan Kunes
San Diego, CA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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System Security Engineer (Anti-Tamper) Jobs
APPLY
ClearanceJobs
Patuxent River, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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COMSEC Engineer Jobs
APPLY
ClearanceJobs
Arlington, VA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Engineer Principal Jobs
APPLY
SAIC
Hampton, VA
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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COMSEC Engineer (TOP Secret Clearance)
APPLY
Nickerson Talent Solutions
Warrenton, VA
L5 Senior
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Cyber Systems Engineer — Top Secret Clearance
APPLY
Relha
Hyattsville, MD
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Security Engineer III
APPLY
Sierra Nevada Company
Littleton, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Systems Security Engineer / Senior ISSM
APPLY
Sierra Nevada Company
Littleton, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Sr Staff Cyber Systems Engineer
APPLY
Northrop Grumman
Jessup, MD
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Staff Cyber Systems Engineer (Active Top Secret) Jobs
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Clearance
Redondo Beach, CA
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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Senior SAP-IT Information Security Engineer
APPLY
Air Force Materiel Command
Bath, OH
L6 Lead
September 8th, 2026
Computer Systems Engineers/Architects
National Security
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Systems & Staff Engineer I w/ Top Secret Clearance Jobs
APPLY
Clearance
Washington, DC
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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Sentinel - Staff Systems Engineer - 18809 Jobs
APPLY
Clearance
Roy, UT
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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DISTINGUISHED SCIENTIST/ENGINEER FOR NAVY THREAT ENGINEERING (SSTM)
APPLY
Chemanager International
Dahlgren, VA
L6 Lead
August 31st, 2026
Computer Systems Engineers/Architects
National Security
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System Security Engineer Level 3/4 (AHT) Jobs
APPLY
Clearance
Los Angeles, CA
L5 Senior
August 31st, 2026
Computer Systems Engineers/Architects
National Security
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Principal Embedded Systems Security Engineer (Onsite - Marlborough, MA) Secret clearance required
APPLY
Collins Aerospace
Northborough, MA
L6 Lead
August 27th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Anti-Tamper Systems Engineer (DoD)
APPLY
Serco
Aurora, CO
L5 Senior
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Security Engineer (cleared)
APPLY
General Dynamics Mission Systems
Scottsdale, AZ
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Embedded Systems Security Engineer (Hybrid - Largo, FL) Secret clearance required
APPLY
Raytheon
Tallahassee, FL
L6 Lead
September 8th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Engineer II Jobs
APPLY
Integral Federal
Aberdeen Proving Ground, MD
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Systems Security Engineer (Embedded)
APPLY
Lockheed Martin
Orlando, FL
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Embedded Systems Security Engineer - *
APPLY
HII Mission Technologies Division
Dayton, OH
L6 Lead
September 19th, 2026
Information Security Engineers
National Security
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Security Systems Specialist 3 (Tech Specialist 3) - Boston, MA with Security Clearance
APPLY
Unofficial McDean
East Boston, MA
L5 Senior
September 4th, 2026
Security Management Specialists
National Security
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ISSE (Engineer Info Assurance 4)
APPLY
HII
Hurlburt Field, FL
L6 Lead
September 2nd, 2026
Information Security Engineers
National Security
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Information System Security Officers (ISSO), Senior Security Eng Jobs
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ClearanceJobs
Ashburn, GA
L6 Lead
September 1st, 2026
Information Security Engineers
National Security
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Senior Information Systems Security Officer w Enclave Cybersecurity Exp
APPLY
Commnet
Aberdeen Proving Ground, MD
L6 Lead
September 6th, 2026
Information Security Engineers
National Security
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Information System Security Engineer
APPLY
Yochana
Albuquerque, NM
L6 Lead
September 3rd, 2026
Information Security Engineers
National Security
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Cybersecurity Information Systems Security Engineer, SME
APPLY
Galapagos
Albuquerque, NM
L6 Lead
September 11th, 2026
Information Security Engineers
National Security
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Cyber Security Engineer Jobs
APPLY
ClearanceJobs
Dayton, OH
L5 Senior
September 11th, 2026
Information Security Engineers
National Security
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Sr Information Assurance Engineer Jobs
APPLY
Clearance
McLean, VA
L7 Manager
August 25th, 2026
Information Security Engineers
National Security
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Cyber Security Engineer (supporting U.S. Space Force) Jobs
APPLY
Clearance
Colorado Springs, CO
L5 Senior
September 11th, 2026
Information Security Engineers
National Security
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ISSE (Engineer Info Assurance 4)
APPLY
HII Mission Technologies Division
Mary Esther, FL
L6 Lead
September 17th, 2026
Information Security Engineers
National Security
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Information Systems Security Officer (ISSO) with **DoD Clearance**
APPLY
Veterans Enterprise Technology Solutions Vets
St Charles, IL
L6 Lead
September 11th, 2026
Information Security Engineers
National Security
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Cyber Security Engineer II Jobs
APPLY
Clearance
Camp Lejeune, NC
L5 Senior
August 25th, 2026
Information Security Engineers
National Security
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Sr Information Assurance Engineer
APPLY
Intrepid
McLean, VA
L7 Manager
August 25th, 2026
Information Security Engineers
National Security
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Information System Security Officers (ISSO), Senior Security Engineers & Security Engineering Leads
APPLY
Agile Defense
Ashburn, VA
L6 Lead
August 25th, 2026
Information Security Engineers
National Security
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Information Security Officer
APPLY
Oxford Global Resources
Aberdeen Proving Ground, MD
L6 Lead
August 28th, 2026
Information Security Engineers
National Security
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