JOBSEARCHER
OCCUPATIONS
INDUSTRIES
LOCATIONS
COMPANIES
SENIORITY
EXPLORE
SIGN IN
KEYWORDS
LOCATIONS
EXACT
NEARBY
Advanced search
SEARCH
10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
Filter
<
Date
Last 30 days
Senior DoD Network Engineer Mission Partner Environment
APPLY
General Dynamics Information Technology
Aiea, HI
L6 Lead
August 7th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Hybrid Network Engineer for DoD Range Systems
APPLY
Saalex
Corona, CA
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
Show all >
Secret-Cleared Network Engineer III - San Diego
APPLY
ManTech
San Diego, CA
L6 Lead
August 8th, 2026
Computer Network Architects
National Security
Show all >
TS/SCI Cryptologic IT Systems Administrator
APPLY
SAIC
Virginia Beach, VA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Senior DoD Network Engineer - Naval Public Safety IT
APPLY
Serco
Denver, CO
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Senior Network Engineer - Active SECRET Clearance
APPLY
MC Dean
Wichita Falls, TX
L5 Senior
August 8th, 2026
Computer Network Architects
National Security
Show all >
Field Network Technician, Maneuver Dominance
APPLY
Anduril
Costa Mesa, CA
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Afloat Network Engineer IV - CANES & Navy Systems
APPLY
Sigma Defense Systems
San Diego, CA
L6 Lead
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Senior Network Engineer 5 - 24/7 Security Systems
APPLY
MC Dean
San Antonio, TX
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
TS/SCI w/Poly Active Directory Systems Admin
APPLY
General Dynamics Information Technology
Washington, DC
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Data Engineer - SPACECOM
APPLY
Agile Defense
Colorado Springs, CO
L5 Senior
July 29th, 2026
Data Scientists
National Security
Show all >
Onsite Systems Administrator - TS/SCI Clearance (Defense IT)
APPLY
Evans Chambers Technology
Chantilly, VA
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Systems Administrator I IT Operations & Support
APPLY
Black Eagle Defense
Fort Meade, MD
L4 Mid
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
AI/ML Engineer for National Security (Remote/Hybrid)
APPLY
Booz Allen Hamilton
Arlington, VA
Remote
L5 Senior
August 3rd, 2026
Data Scientists
National Security
Show all >
Mission-Critical ML Engineer | Secret Clearance Ready
APPLY
Booz Allen Hamilton
Alexandria, VA
L5 Senior
August 3rd, 2026
Software Developers
National Security
Show all >
Mult Function Info Systems- MFA ALIS (Swidwin Poland)
APPLY
Lockheed Martin
Greenville, SC
L6 Lead
August 3rd, 2026
Network and Computer Systems Administrators
National Security
Show all >
Information Technology (SYSADMIN)
APPLY
Usholocaustmemorialmuseum
Washington, DC
L6 Lead
August 3rd, 2026
Network and Computer Systems Administrators
National Security
Show all >
Sr Principal Engineer Field Secret Clearance - 19167
APPLY
Northrop Grumman
Roy, UT
L6 Lead
July 27th, 2026
Architectural and Engineering Managers
National Security
Show all >
Supervisory Information Technology Specialist
APPLY
Ustreasuryfinancialcrimesenforcementnetwor
Oakton, VA
L7 Manager
August 4th, 2026
Computer and Information Systems Managers
National Security
Show all >
STINGRAI Information Assurance Engineer (Engineer Info Assurance 2)- 29315
APPLY
HII
Tampa, FL
L6 Lead
August 3rd, 2026
Information Security Engineers
National Security
Show all >
VP of Technology - Defense Industry
APPLY
Bronson Technical Search
Denver, CO
L7 Manager
August 14th, 2026
Computer and Information Systems Managers
National Security
Show all >
Chief IT Architect & Cyber Operations Lead
APPLY
Defense Information Systems Agency
Fort Meade, MD
L7 Manager
August 13th, 2026
Computer and Information Systems Managers
National Security
Show all >
NTCSS Senior Automated Information System Analyst (SAISA)
APPLY
CACI International
San Diego, CA
L5 Senior
August 8th, 2026
Computer Systems Analysts
National Security
Show all >
Senior System Administrator Secret Clearance (On-Site at WSMR)
APPLY
H2 Performance Consulting
White Sands, NM
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Defense AI Engineer: Build Mission-Critical Agents
APPLY
Booz Allen Hamilton
Glenview, IL
L5 Senior
August 8th, 2026
Data Scientists
National Security
Show all >
Tactical Domain Support Engineer - Pope Field, NC
APPLY
Belcan
Springfield, FL
L5 Senior
August 8th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Senior ESS Ground Systems Integration Specialist
APPLY
Science Applications International
El Segundo, CA
L5 Senior
August 13th, 2026
Aerospace Engineers
National Security
Show all >
Systems Engineer - TRMC IFC (Principal or Senior Principal)
APPLY
Northrop Grumman
San Diego, CA
L6 Lead
July 27th, 2026
Project Management Specialists
National Security
Show all >
Gateways Program Management and Support
APPLY
ASRC Federal
Hampton, VA
L5 Senior
August 14th, 2026
Project Management Specialists
National Security
Show all >
Systems Training Analyst
APPLY
Nisgaa Tek
San Antonio, TX
L5 Senior
August 11th, 2026
Computer Systems Analysts
National Security
Show all >
Top-Secret Systems Admin - Mission-Critical IT, NCR
APPLY
Gemini Industries
Washington, DC
L4 Mid
August 13th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Network Engineer III - DoD Secret Clearance
APPLY
Belcan
San Diego, CA
L5 Senior
August 13th, 2026
Computer Network Architects
National Security
Show all >
Platform Developer III (Navy/DoD)
APPLY
Thor Solutions
Coronado, CA
L5 Senior
August 13th, 2026
Software Developers
National Security
Show all >
Senior Network & Systems Administrator - TS/SCI Clearance
APPLY
System High
Bedford, MA
L5 Senior
August 13th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Senior Network Engineer (TS/SCI Poly) - Multi-Domain Systems
APPLY
Northrop Grumman
Hyattsville, MD
L6 Lead
August 13th, 2026
Computer Network Architects
National Security
Show all >
ML Engineer for AI-Driven National Security
APPLY
Str
Arlington, TX
L7 Manager
August 13th, 2026
Software Developers
National Security
Show all >
Systems / Network Administrator
APPLY
KBR
Beaufort, SC
L5 Senior
August 12th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Founding Chief Technology Officer (CTO)
APPLY
Modern Government Solutions
Raleigh, NC
L8 Director
August 12th, 2026
Architectural and Engineering Managers
National Security
Show all >
IT SPECIALIST (INFOSEC/SYSADMIN)
APPLY
Us Fleet Forces Command
Norfolk, VA
L5 Senior
August 14th, 2026
Network and Computer Systems Administrators
National Security
Show all >
Senior ISSE: Systems Security & Risk
APPLY
Vtg Defense
Springfield, VA
L6 Lead
July 25th, 2026
Information Security Analysts
National Security
Show all >
1
86
87
88
100