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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
Filter
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Date
Last 30 days
ESS Terminals SME Engineer
APPLY
KBR
Colorado Springs, CO
L6 Lead
August 3rd, 2026
Engineers, All Other
National Security
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Principal Systems Modeling Simulation Engineer – Global Algo Engr (26-282)
APPLY
Northrop Grumman
Colorado Springs, CO
L6 Lead
July 27th, 2026
Aerospace Engineers
National Security
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Engineering Technician VI
APPLY
Nationwide It Services
North Charleston, SC
L5 Senior
August 6th, 2026
Electrical and Electronic Engineering Technologists and Technicians
National Security
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Specialist- Systems Engineer Model-Based,, MBSE, SysML ------- Secret Clearance
APPLY
Ivantage Group
Orlando, FL
L6 Lead
August 6th, 2026
Engineers, All Other
National Security
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Senior Security Systems Engineer - SLBM
APPLY
Imagine One Technology Management
Arlington, VA
L6 Lead
August 11th, 2026
Information Security Engineers
National Security
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Lead Fiber & Distribution Systems Engineer
APPLY
Arena Technical Resources
Honolulu, HI
L5 Senior
August 6th, 2026
Telecommunications Engineering Specialists
National Security
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Senior Principal M&S Engineer - Onsite Aurora
APPLY
Raytheon
Aurora, CO
L6 Lead
August 1st, 2026
Aerospace Engineers
National Security
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Missile Defense System Architecture Engineer
APPLY
Bannerdefenseinc
Huntsville, AL
L6 Lead
August 13th, 2026
Aerospace Engineers
National Security
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Junior Systems Engineer & Analyst, Defense Tech
APPLY
Pvh Tommy Hilfigercalvin Klein
Huntsville, AL
L4 Mid
August 3rd, 2026
Computer Systems Analysts
National Security
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Systems Engineer II - Defense Systems Design & Analysis
APPLY
Leonardo DRS
Beavercreek, OH
L5 Senior
August 8th, 2026
Engineers, All Other
National Security
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Staff Systems Engineer - Site Liaison Engineering Lead
APPLY
Northrop Grumman
Atlanta, GA
L6 Lead
August 14th, 2026
Architectural and Engineering Managers
National Security
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Army Watercraft Systems (AWS) Engineer at Fort Eustis, VA (Secret Clearance)
APPLY
General Dynamics Information Technology
Newport News, VA
L6 Lead
August 17th, 2026
Ship Engineers
National Security
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Sr. Reinforcement Learning & Autonomous Decision Systems Enginee with Security Clearance
APPLY
Aurex
Huntsville, AL
L6 Lead
August 17th, 2026
Software Developers
National Security
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FMS Combat Systems Engineer
APPLY
Precise Systems
Pasco, WA
L5 Senior
August 17th, 2026
Engineers, All Other
National Security
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Senior Systems Engineer & Team Lead, Air Base Defense
APPLY
Air Force Civilian Service
Dayton, OH
L7 Manager
August 14th, 2026
Architectural and Engineering Managers
National Security
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Senior Real-Time Imaging Systems Engineer
APPLY
Mosaic
Boulder, CO
L5 Senior
August 11th, 2026
Engineers, All Other
National Security
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MBSE Engineer: SysML Modeling & Systems Engineering
APPLY
Huntington Ingalls Industries
Dayton, OH
L6 Lead
August 3rd, 2026
Aerospace Engineers
National Security
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Field Engineer IV
APPLY
JT4
Las Vegas, NV
L5 Senior
August 14th, 2026
Telecommunications Engineering Specialists
National Security
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Chief Engineer WSISS
APPLY
DCS
Ridgecrest, CA
L7 Manager
August 13th, 2026
Architectural and Engineering Managers
National Security
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Systems Analyst
APPLY
Peopletec
Fort Belvoir, VA
L6 Lead
August 8th, 2026
Computer Systems Analysts
National Security
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Staff CORE Systems Engineer - Secret Clearance
APPLY
Northrop Grumman
Baltimore, MD
L6 Lead
July 28th, 2026
Engineers, All Other
National Security
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Senior Systems Safety Engineer
APPLY
Odyssey Systems Consulting Group
Niceville, FL
L6 Lead
July 27th, 2026
Engineers, All Other
National Security
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Systems Engineer II
APPLY
Mcr
Bedford, MA
L6 Lead
August 18th, 2026
Engineers, All Other
National Security
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Systems Engineer B-2 Div (WBZ) 01.6.07
APPLY
Credence Company
Oklahoma City, OK
L6 Lead
August 6th, 2026
Aerospace Engineers
National Security
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Test Engineer Sr. Staff - Secret Clearance
APPLY
Lockheed Martin
Colorado Springs, CO
L5 Senior
August 2nd, 2026
Aerospace Engineers
National Security
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Senior Real-Time C++ Engineer for Mission-Critical Systems
APPLY
Str
San Diego, CA
L6 Lead
August 7th, 2026
Software Developers
National Security
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Staff Software Engineer - Thread Lead (Top Secret, On-Site)
APPLY
Northrop Grumman
San Diego, CA
L6 Lead
August 8th, 2026
Software Developers
National Security
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Configuration Management Specialist
APPLY
Precisesystems
Crane, IN
L6 Lead
August 9th, 2026
Computer Systems Engineers/Architects
National Security
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Chief System Engineer, SME (TS/SCI Required)
APPLY
Praescientanalytics
Arlington, VA
L6 Lead
July 21st, 2026
Computer Systems Engineers/Architects
National Security
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ISR Systems Architect & Innovation Integration (TS/SCI)
APPLY
Credence Company
Hampton, VA
L6 Lead
August 8th, 2026
Computer Systems Engineers/Architects
National Security
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Sentinel Enterprise Engineer
APPLY
MITRE
Bedford, MA
L6 Lead
July 25th, 2026
Computer Systems Engineers/Architects
National Security
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Minotaur Systems and Information Technology Specialist (MSITS)
APPLY
Prescient Edge
Odenton, MD
L6 Lead
August 12th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Cyber Range Systems Engineer
APPLY
Socket
Indiana, PA
L5 Senior
August 12th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Information Security Architect - Army National Guard
APPLY
Reporter Newspapers
Chantilly, VA
L6 Lead
August 12th, 2026
Computer Systems Engineers/Architects
National Security
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Voice and Hardware Systems Engineer - TS/SCI with Poly
APPLY
Leidos
Aurora, CO
L6 Lead
August 8th, 2026
Computer Systems Engineers/Architects
National Security
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Mission Management Investment Portfolio (MMIP) Systems Engineer VI
APPLY
Beyond Sof
Fort Meade, MD
L7 Manager
August 11th, 2026
Computer Systems Engineers/Architects
National Security
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Advanced Antennas Senior Systems Engineer (IO)
APPLY
SAIC
San Diego, CA
L6 Lead
August 8th, 2026
Computer Systems Engineers/Architects
National Security
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Junior ARCHER Technician / System Administrator (Archiving and Enhanced Retrieval)
APPLY
Federal Sherpa
Leavenworth, WA
L5 Senior
August 12th, 2026
Computer Systems Engineers/Architects
National Security
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F-35 Systems Engineer Sr / Eglin AFB or Orlando, FL
APPLY
Lockheed Martin
Valparaiso, FL
L6 Lead
July 23rd, 2026
Computer Systems Engineers/Architects
National Security
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Deployed Field Service Representative
APPLY
Leidos
Remote, OR
L6 Lead
August 4th, 2026
Computer Systems Engineers/Architects
National Security
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