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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 >
Save
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Date
Last 30 days
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)
APPLY
Systems Planning Analysis
Ogden, UT
L6 Lead
September 17th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Integration Engineering Support
APPLY
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
APPLY
Odyssey Systems
Fort Belvoir, VA
L6 Lead
September 4th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer II Defense SE & Acquisition Support
APPLY
Mlt Systems
Quantico, VA
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - DoD C4ISR & Mission Systems
APPLY
Planned Systems International
Florida, NY
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer - DoD LMOC & Mission Ops (Open Rank)
APPLY
Georgia Tech Research Institute
Phoenix, AZ
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Anti-Tamper Engineer for DoD Systems Security
APPLY
Expansia Group
Brooklyn, NY
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer
APPLY
Freedom Real Estate
Brooklyn, NY
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior CIWS Systems Engineer Part-Time, Secret Clearance
APPLY
CACI International
New York, NY
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer, Weapon Systems (SysML/DOORS)
APPLY
Find A Textron
Dorchester Center, MA
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Modeling and Simulation Engineer
APPLY
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
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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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Senior Systems Engineer – C2 Capability Integrator
APPLY
Csi Consultants Chantilly Va
Chantilly, VA
L5 Senior
September 22nd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer - Onsite Defense Training Systems
APPLY
Rtx Raytheon
Christiansburg, VA
L5 Senior
September 23rd, 2026
Computer Systems Engineers/Architects
National Security
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Defense Systems Engineer - MBSE & Integration
APPLY
KBR
Huntsville, TN
L6 Lead
September 24th, 2026
Computer Systems Engineers/Architects
National Security
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Multi-Domain & Joint Effects Integration Support Analyst
APPLY
Global C2 Integration Technologies
Norfolk, VA
L6 Lead
September 24th, 2026
Computer Systems Engineers/Architects
National Security
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Network Engineer Sr Stf - E5
APPLY
Lockheed Martin
Fayetteville, NC
L5 Senior
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Systems Engineer (Journeyman) - PMA 272
APPLY
Synectic Solutions
North Charleston, SC
L5 Senior
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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