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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
Show all >
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Date
Last 30 days
Staff Engineer Systems - Modernization SEI Lead Jobs
APPLY
Clearance
Palmdale, CA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - clearance required
APPLY
Progeny Systems Acquired By General Dynamics
Minneapolis, MN
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Naval Operational Systems Engineer
APPLY
Gauge Engineering Services
Moorestown, NJ
L6 Lead
September 10th, 2026
Computer Systems Engineers/Architects
National Security
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Foreign Military Sales (FMS) Senior Systems Engineer Jobs
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Clearance
Lexington Park, MD
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Entry-Level Systems Engineer - MBSE & DoD Focus
APPLY
Simventions
Woodbridge, VA
L4 Mid
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Weapon Systems Engineer
APPLY
Decision Technologies
Virginia, MN
L6 Lead
September 9th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - ISR Data & AI Architect
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Aero
Virginia, MN
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Field Service Engineer with Security Clearance
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Qinetiq Us
Fort Belvoir, VA
L5 Senior
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Thread Engineer
APPLY
Lockheed Martin
Jessup, MD
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer – Strategic Weapons Control
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Systems
Pittsfield, MA
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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SME - System Engineer, Subject Matter Expert - *
APPLY
HII Mission Technologies Division
Dayton, OH
L7 Manager
September 20th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer, Senior - PR 1442
APPLY
Pe Systems
Dayton, OH
L6 Lead
September 13th, 2026
Computer Systems Engineers/Architects
National Security
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SkillBridge Fellowship - Transitioning Military
APPLY
Modern Technology Solutions
Dayton, OH
L4 Mid
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Sonalysts
New London, CT
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Principal Systems Engineer
APPLY
Draper Laboratory
East Boston, MA
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Hill AFB)
APPLY
Mcr
Ogden, UT
L6 Lead
September 18th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - TS clearance required
APPLY
General Dynamics
Taunton, MA
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer, Mid: MBSE & Air Force Mission Support
APPLY
Booz Allen Hamilton
Arlington, VA
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Integration Engineer (Combat Systems)
APPLY
Vt Group Vtg
Washington, DC
L6 Lead
September 6th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Thread Engineer
APPLY
Lockheed Martin
Annapolis Junction, MD
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
SAIC
Hill, NH
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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AEGIS Based Defense Guam Defense System Sr Systems Analyst
APPLY
Parsons
Dahlgren, VA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Hill AFB)
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Systems Planning Analysis
Ogden, UT
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Integration Engineering Support
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Odyssey
Warner Robins, GA
L6 Lead
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (SM-2 / SM-6 Safety)
APPLY
Bcisensors
Dahlgren, VA
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Reliability and Maintainability (R&M) Engineer - Mobility
APPLY
Applied Research Solutions
Oklahoma City, OK
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer & Data Analyst - M&S for Army
APPLY
Avnik Defense Solutions
Huntsville, AL
L4 Mid
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Caci
Fort Belvoir, VA
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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RF & Signals Systems Engineer for DoD Ops
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Odyssey Systems
Fort Belvoir, VA
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Modeling and Simulation Engineer
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MITRE
Winter Park, FL
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
National Security
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Autonomous Systems Engineer Jobs
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Clearance
Huntsville, AL
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Principal Systems Engineer Jobs
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Clearance
Ogden, UT
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Live Virtual Constructive (LVC) Training Systems (5667)
APPLY
SMX
Lexington Park, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer-IT Sr Stf - E5 Jobs
APPLY
Clearance
Bethesda, MD
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Integration Engineering Support, Senior PR - 1444
APPLY
Pe Systems
Warner Robins, GA
L6 Lead
September 14th, 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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FCS Auxiliary and Training Systems - Systems Engineer Intern
APPLY
General Dynamics Mission Systems
Pittsfield, MA
L1 Intern
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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System Safety Engineer (U.S. Citizenship required)
APPLY
Trispoke Managed Services
Tucson, AZ
L6 Lead
September 10th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer, Senior (SM-2 / SM-6 Safety)
APPLY
Bcisensors
Dahlgren, VA
L6 Lead
September 26th, 2026
Computer Systems Engineers/Architects
National Security
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Field Mission Engineer: Geospatial Deployments & Secure Ops
APPLY
Atreides
Florida, NY
L5 Senior
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
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