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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
Strategic Systems Test Engineer
APPLY
Johns Hopkins Applied Physics Laboratory Apl
Laurel, MD
L6 Lead
August 1st, 2026
Engineers, All Other
National Security
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Lead Mission Systems Operator
APPLY
W R Systems
Norfolk, VA
L6 Lead
August 8th, 2026
Network and Computer Systems Administrators
National Security
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System Safety Engineer Stf
APPLY
Lockheed Martin
Grand Prairie, TX
L6 Lead
August 3rd, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
National Security
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ENGINEER
APPLY
Naval Sea Systems Command
King George, VA
L6 Lead
July 23rd, 2026
Engineers, All Other
National Security
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The Principal Systems RMSS Engineers
APPLY
Raytheon
Goleta, CA
L6 Lead
August 9th, 2026
Project Management Specialists
National Security
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Engineering Technician VI
APPLY
Nationwideitservices
North Charleston, SC
L5 Senior
August 6th, 2026
Electrical and Electronic Engineering Technologists and Technicians
National Security
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Systems Safety Engineer Level 3/4 (AHT)
APPLY
Northrop Grumman
Los Angeles, CA
L6 Lead
August 1st, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
National Security
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SME System Network Engineer
APPLY
Prescient Edge Federal
San Diego, CA
L6 Lead
August 6th, 2026
Telecommunications Engineering Specialists
National Security
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Staff Reliability Engineer
APPLY
Anduril
Atlanta, GA
L6 Lead
August 4th, 2026
Validation Engineers
National Security
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Senior Interdisciplinary Engineer
APPLY
Business Enabled Acquisitionandtechnology
San Antonio, TX
L6 Lead
August 4th, 2026
Engineers, All Other
National Security
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Modeling & Simulation Integrator / Operator (Engineer Sys Mod Sim 3-5)
APPLY
HII
Colorado Springs, CO
L6 Lead
August 4th, 2026
Aerospace Engineers
National Security
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Modeling & Simulation Systems Engineer (Engineer Sys Mod Sim 3) - Remote
APPLY
HII
Colorado Springs, CO
Remote
L6 Lead
August 4th, 2026
Aerospace Engineers
National Security
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Mission Engineer, Senior
APPLY
MITRE
Bedford, MA
L6 Lead
July 30th, 2026
Aerospace Engineers
National Security
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Technology Protection Engineer III - TS/SCI, Army Security
APPLY
Abscus
Baltimore, MD
L5 Senior
July 24th, 2026
Information Security Engineers
National Security
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Senior Navy Systems Strategist
APPLY
Ignite Digital Federal Services
California, MO
L6 Lead
August 7th, 2026
Marine Engineers and Naval Architects
National Security
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Senior Specialist, Systems Engineering (Modeling and Simulation)
APPLY
L3Harris Technologies
Ellsworth Air Force Base, SD
L5 Senior
August 13th, 2026
Aerospace Engineers
National Security
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Systems Test Engineer
APPLY
Johns Hopkins Applied Physics Laboratory Apl
Laurel, MD
L6 Lead
August 8th, 2026
Engineers, All Other
National Security
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Defense-Grade ESRI GIS Systems Engineer
APPLY
CACI International
Fort Bragg, NC
L6 Lead
August 8th, 2026
Geographic Information Systems Technologists and Technicians
National Security
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Senior DS Engineer - Onsite Alaska (Secret)
APPLY
Arena Technical Resources
Oklahoma City, OK
L5 Senior
August 8th, 2026
Telecommunications Engineering Specialists
National Security
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Chief Architect, Secure Infrastructure & SCIFs
APPLY
Str
Arlington, VA
L7 Manager
July 31st, 2026
Security Managers
National Security
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Defense Acquisition Systems Engineer - DoD Programs
APPLY
Alexandria Insights
Stafford, VA
L6 Lead
July 22nd, 2026
Engineers, All Other
National Security
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Cryptographic Systems Engineer (CSE) with Security Clearance
APPLY
Aurex
El Segundo, CA
L5 Senior
August 14th, 2026
Information Security Engineers
National Security
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Mission Engineer & Integrator
APPLY
Peraton
McLean, VA
L6 Lead
July 27th, 2026
Engineers, All Other
National Security
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Systems Engineer, Senior
APPLY
Booz Allen Hamilton
Wildwood, NJ
L6 Lead
August 15th, 2026
Engineers, All Other
National Security
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Systems Engineer (Combat Systems)
APPLY
Vtg
Washington, DC
L6 Lead
August 7th, 2026
Aerospace Engineers
National Security
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Supervisory Systems Engineer
APPLY
Air Force Civilian Service
Dayton, OH
L6 Lead
August 7th, 2026
Architectural and Engineering Managers
National Security
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Model Based Systems Engineer (MBSE)
APPLY
Modern Technology Solutions
Bath, OH
L6 Lead
August 14th, 2026
Aerospace Engineers
National Security
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Principal Specialist Field Service
APPLY
Raytheon
Columbus, OH
L5 Senior
August 1st, 2026
Engineers, All Other
National Security
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TEMPEST Engineer
APPLY
American Systems
Arlington, VA
L5 Senior
August 1st, 2026
Engineers, All Other
National Security
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Senior MBSE Systems Engineer - Missile Defense 9/80 Schedule
APPLY
Investedinthemission
Huntsville, AL
L6 Lead
July 27th, 2026
Aerospace Engineers
National Security
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Senior GMD Ground Systems Engineer & Requirements Lead
APPLY
Apex Tk
Huntsville, AL
L6 Lead
August 7th, 2026
Project Management Specialists
National Security
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GMD Ground Systems Principal Systems Engineer
APPLY
Venturi
Huntsville, AL
L6 Lead
August 5th, 2026
Engineers, All Other
National Security
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MBSE Architect for Naval Directed Energy Systems (Cameo)
APPLY
Uic Arctic Response Services
Dahlgren, VA
L6 Lead
July 22nd, 2026
Software Developers
National Security
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Cruiser/Destroyer Combat Systems SME
APPLY
General Dynamics Information Technology
Chula Vista, CA
L6 Lead
July 23rd, 2026
Ship Engineers
National Security
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Ship Self Defense System (SSDS) Combat Systems SME
APPLY
General Dynamics Information Technology
San Diego, CA
L6 Lead
July 23rd, 2026
Ship Engineers
National Security
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Model and Simulation Technician
APPLY
Knight Federal Solutions
Suffolk, VA
L4 Mid
July 20th, 2026
Aerospace Engineering and Operations Technologists and Technicians
National Security
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Senior SDS Systems Engineering Manager (Secret Clearance)
APPLY
Northrop Grumman
Bellevue, NE
L6 Lead
July 28th, 2026
Engineers, All Other
National Security
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Mission Engineer – Advanced Autonomy & Mission Integration
APPLY
Indigo Industries
Arlington, VA
L6 Lead
July 29th, 2026
Engineers, All Other
National Security
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Jr. to Mid Kinematics Systems Engineer- Colorado Springs, Colorado
APPLY
Davidsontechnologiesinc
Colorado Springs, CO
L5 Senior
August 4th, 2026
Aerospace Engineers
National Security
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Systems Engineer (Tomahawk)
APPLY
Vtg
Washington, DC
L6 Lead
July 21st, 2026
Aerospace Engineers
National Security
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