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10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
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10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
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Date
Last 30 days
Systems Engineer 3-2
APPLY
Fullscope
Linthicum Heights, MD
L6 Lead
August 13th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Level 3) - Colorado Springs, Colorado
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Davidson Technologies
Colorado Springs, CO
L6 Lead
July 27th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer, Journeyman - TS
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DCS
New Bedford, MA
L6 Lead
August 13th, 2026
Computer Systems Engineers/Architects
National Security
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Tactical Networks Systems Engineer (DoD/TS-SCI)
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Booz Allen Hamilton
San Diego, CA
L6 Lead
July 26th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Systems Planning Analysis Spa
Arlington, VA
L6 Lead
August 13th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer SME with Security Clearance
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Gemini Industries
Warrenton, VA
L6 Lead
August 13th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Principal Systems Engineer - Secret Clearance
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Northrop Grumman
Los Angeles, CA
L6 Lead
August 5th, 2026
Computer Systems Engineers/Architects
National Security
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RCDD Engineer
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General Dynamics Information Technology
Arlington, VA
L5 Senior
August 11th, 2026
Computer Systems Engineers/Architects
National Security
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Surface Combatant Systems Integrator - Navy Yard, Washington, D.C.
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Serco
Arlington, VA
L5 Senior
August 17th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Anti-Tamper)-Senior
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Amewas
Patuxent River, MD
L6 Lead
August 17th, 2026
Computer Systems Engineers/Architects
National Security
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Specialist, Systems Engineer - Reliability, Availability, Maintainability, Testability, and Safety
APPLY
L3Harris Technologies
Melbourne, FL
L6 Lead
August 16th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer with Security Clearance
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Dark Wolf
Colorado Springs, CO
L6 Lead
August 17th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer/Technical Specialist
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Vtg
Hampton, VA
L6 Lead
August 3rd, 2026
Computer Systems Engineers/Architects
National Security
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MBSE Systems Engineer II/III Defense Tech
APPLY
Cessna
Dorchester Center, MA
L5 Senior
July 30th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - AFATDS & Enterprise IT Lead
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General Dynamics
Chantilly, VA
L5 Senior
August 6th, 2026
Computer Systems Engineers/Architects
National Security
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Sr Field Service Engineer - Installs Jobs
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ClearanceJobs
North Charleston, SC
L5 Senior
August 15th, 2026
Computer Systems Engineers/Architects
National Security
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EW/SIGINT Field Support Skillbridge Internship
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Research Innovations
Denver, CO
L1 Intern
August 14th, 2026
Computer Systems Engineers/Architects
National Security
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Operations Domain Systems Engineer New Fort Benning, Georgia, United States
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Barbaricum
New York, NY
L6 Lead
August 6th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Comm & Networks Sys Engrg)
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Boeing
Tukwila, WA
L6 Lead
July 25th, 2026
Computer Systems Engineers/Architects
National Security
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Field Engineer I
APPLY
Ardent Eagle Solutions
Denver, CO
L5 Senior
August 15th, 2026
Computer Systems Engineers/Architects
National Security
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Mission-Critical Systems Engineer - DoD, TS/SCI
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Leidos
Fort Walton Beach, FL
L6 Lead
July 20th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer for DoD Programs (Clearance Preferred)
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Mlt Systems
Stafford Twp, NJ
L6 Lead
July 30th, 2026
Computer Systems Engineers/Architects
National Security
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Onsite Distribution Systems Engineer - Hawaii
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General Dynamics Information Technology
Wake Village, TX
L4 Mid
August 7th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - TS/FS Poly | Mission-Critical
APPLY
Hatched Recruitment Group
Fort Meade, MD
L5 Senior
August 14th, 2026
Computer Systems Engineers/Architects
National Security
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Navy Mission-Critical Systems Engineer (TS/SCI)
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Koitecc Solutions
Keyport, WA
L6 Lead
August 14th, 2026
Computer Systems Engineers/Architects
National Security
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SME - System Engineer, Subject Matter Expert - 29059 *
APPLY
HII Mission Technologies Division
Dayton, OH
L6 Lead
August 18th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer II (Backup)
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Pvh Tommy Hilfigercalvin Klein
Pocatello, ID
L6 Lead
August 1st, 2026
Computer Systems Engineers/Architects
National Security
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Operations Domain Systems Engineer
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Pvh Tommy Hilfigercalvin Klein
Fort Benning, GA
L6 Lead
August 3rd, 2026
Computer Systems Engineers/Architects
National Security
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STINGRAI Configuration Management Specialist (Configuration Analyst 2)- 29308
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HII
Tampa, FL
L6 Lead
August 10th, 2026
Computer Systems Engineers/Architects
National Security
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Mission Operations Engineer
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Anduril
Costa Mesa, CA
L7 Manager
August 15th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Mission Operations Engineer, Army Intelligence & C2 (Active Clearance)
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Anduril Industries
Aberdeen, MD
L7 Manager
August 14th, 2026
Computer Systems Engineers/Architects
National Security
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General Interdisciplinary Engineer, Journeyman - Secret
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DCS
New Bedford, MA
L6 Lead
August 12th, 2026
Engineers, All Other
National Security
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Systems Engineer III - Mission Risk
APPLY
Venturi
Huntsville, AL
L6 Lead
August 5th, 2026
Validation Engineers
National Security
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Modeling & Simulation Systems Engineer (Engineer Sys Mod Sim 3) - Colorado Springs
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HII
Colorado Springs, CO
L6 Lead
August 5th, 2026
Aerospace Engineers
National Security
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MBSE/CAD Integration Engineer
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HII
Nellis Air Force Base, NV
L6 Lead
August 4th, 2026
Aerospace Engineers
National Security
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Systems Engineer, Staff (M&S) - GMD Weapons Systems (GWS)
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Lockheed Martin
Huntsville, AL
L6 Lead
July 23rd, 2026
Aerospace Engineers
National Security
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ESS Terminals Senior Systems Engineer
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KBR
El Segundo, CA
L6 Lead
July 31st, 2026
Engineers, All Other
National Security
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Senior Systems Engineer
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KBR
Henrico, VA
L6 Lead
August 3rd, 2026
Engineers, All Other
National Security
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Modeling & Simulation Systems Engineer (Engineer Sys Mod Sim 3) - National Capitol Region
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HII
Reston, VA
L6 Lead
August 3rd, 2026
Aerospace Engineers
National Security
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Senior Engineer II (Systems Engineer)
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Jrc Integrated Systems
Washington, DC
L5 Senior
August 5th, 2026
Engineers, All Other
National Security
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