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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 >
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Date
Last 30 days
Information Assurance Engineer Jobs
APPLY
Clearance
Pittsfield, MA
L6 Lead
September 14th, 2026
Information Security Engineers
National Security
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F-35 Air Systems Information System Security Engineer | Active Secret clearance
APPLY
General Dynamics Information Technology
Arlington, VA
L6 Lead
September 4th, 2026
Information Security Engineers
National Security
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Systems Security Engineer I – Anti-Tamper / Program Protection (On-site)
APPLY
Raytheon
Tucson, AZ
L3 Junior
September 15th, 2026
Information Security Engineers
National Security
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Senior Cybersecurity Engineer – DoD/Navy, On-Site San Diego
APPLY
JobLeads
San Diego, CA
L6 Lead
September 20th, 2026
Information Security Engineers
National Security
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Senior Cyber Defense Engineer (CND/ISSE) - Secret Clearance
APPLY
Osc Edge
Juneau, AK
L5 Senior
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Cyber Systems Engineer – Top Secret Clearance
APPLY
Relha
San Diego, CA
L5 Senior
September 7th, 2026
Computer Systems Engineers/Architects
National Security
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Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance required
APPLY
Raytheon
Somerville, MA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Risk Management Framework Engineer
APPLY
Leidos
Seaside, CA
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Cyber Systems Engineer (S)
APPLY
Relha
Hyattsville, MD
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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(COMSEC) Key Management Infrastructure (KMI) Engineer Jobs
APPLY
ClearanceJobs
Bluemont, VA
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Staff Cyber Systems Engineer (S)
APPLY
Northrop Grumman
Huntsville, AL
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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System Security Engineer Level 3/4 (AHT)
APPLY
Northrop Grumman
Sacramento, CA
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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DoD SkillBridge - Systems Security Engineer (Active Duty Military Only)
APPLY
Snc
East Andover, NH
L4 Mid
August 31st, 2026
Computer Systems Engineers/Architects
National Security
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Principal Cryptography Engineer Jobs
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ClearanceJobs
McLean, VA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Advanced Information Assurance Engineer
APPLY
Progeny Systems Acquired By General Dynamics
Pittsfield, MA
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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System Security Engineer (Anti-Tamper) Jobs
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Clearance
Wilton, CA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Security Engineer Staff (Embedded) Jobs
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Clearance
Grand Prairie, TX
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Risk Management Framework Engineer Jobs
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Clearance
Seaside, CA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Security Engineer Staff (Embedded)
APPLY
Navstar
Grand Prairie, TX
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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Information Assurance Systems Engineer (US Citizen) - Camden, NJ
APPLY
Navstar
Pennsauken, NJ
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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Staff Cyber Systems Engineer (S) Jobs
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Clearance
San Antonio, TX
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance required
APPLY
Collins Aerospace
Northborough, MA
L6 Lead
September 1st, 2026
Computer Systems Engineers/Architects
National Security
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SkillBridge: Alt COMSEC Intern
APPLY
Raytheon
El Segundo, CA
L1 Intern
August 31st, 2026
Computer Systems Engineers/Architects
National Security
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Integrated Research & Development for Enterprise Solutions (IRES with Security Clearance
APPLY
Integration Innovation
Huntsville, AL
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance required
APPLY
RTX
Largo, FL
L6 Lead
September 9th, 2026
Computer Systems Engineers/Architects
National Security
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Information Assurance Systems Engineer (US Citizen) - Camden, NJ Jobs
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Clearance
Pennsauken, NJ
L6 Lead
August 25th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Embedded System Security Engineer (Onsite - Marlborough, MA) Secret Clearance Required
APPLY
Raytheon
Quincy, MA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Cyber Systems Engineer (ISSE) – Top Secret Clearance
APPLY
Northrop Grumman
Colorado Springs, CO
L6 Lead
September 9th, 2026
Computer Systems Engineers/Architects
National Security
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Journeyman Systems Security Engineer (Security Engineering, Anal Jobs
APPLY
ClearanceJobs
Lexington Park, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Sentinel - Systems Security Engineer 2/3 - Jobs
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ClearanceJobs
Roy, UT
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Security Engineering Section Lead - M4 (Onsite)
APPLY
RTX
Huntsville, AL
L6 Lead
September 10th, 2026
Computer Systems Engineers/Architects
National Security
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Information System Security Engineer
APPLY
Science Applications International
Colorado Springs, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Cyber Security Engineer Staff (Embedded) Jobs
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ClearanceJobs
Grand Prairie, TX
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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Embedded Systems Security Engineer - 27932 *
APPLY
HII Mission Technologies Division
Dayton, OH
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Sentinel - Staff Engineer Systems - Network Risk & Compliance Lead - 19787
APPLY
Northrop Grumman
Roy, UT
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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Communications Technical Support Services (CTSS) Cybersecurity Engineer
APPLY
S2i2
Columbus, OH
L5 Senior
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Embedded Systems Security Engineer (Hybrid - Largo, FL) Secret clearance required
APPLY
Collins Aerospace
Seminole, FL
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Sr. Embedded Systems Security Engineer (Onsite - Largo, FL or Marlborough, MA) Secret clearance required
APPLY
Collins Aerospace
Seminole, FL
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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F-35 Air Systems Information System Security Engineer | Active Secret clearance
APPLY
General Dynamics
Arlington, VA
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Cybersecurity Engineer, Principal - TS
APPLY
DCS
New Bedford, MA
L6 Lead
September 20th, 2026
Computer Systems Engineers/Architects
National Security
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