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10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
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8,945
"validation engineer"
jobs
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National Security
in last 30 days
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Date
Last 30 days
Sonar Technician
APPLY
People Technology Processes
Virginia Beach, VA
L5 Senior
September 2nd, 2026
Commercial Divers
National Security
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Technology Security and Foreign Disclosure SME Jobs
APPLY
Clearance
Washington, DC
L6 Lead
September 2nd, 2026
Security Management Specialists
National Security
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Acquisition Business Specialist
APPLY
U.S. Government
Louisville, KY
L7 Manager
September 2nd, 2026
Purchasing Agents, Except Wholesale, Retail, and Farm Products
National Security
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Senior Cybersecurity Strategist (TS/SCI) for National Security
APPLY
KBR
Virginia, MN
L7 Manager
September 2nd, 2026
Information Security Analysts
National Security
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Senior Field Service Representative (FSR) (Engineer Technical Services 4) - 30035
APPLY
Mission Technologies
Aberdeen Proving Ground, MD
L7 Manager
September 2nd, 2026
Sales Representatives, Wholesale and Manufacturing, Technical and Scientific Products
National Security
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INTERDISCIPLINARY SUPERVISORY GENERAL ENGINEER/ COMPUTER SCIENTIST
APPLY
Navair
St Inigoes, MD
L6 Lead
September 2nd, 2026
Telecommunications Engineering Specialists
National Security
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Senior Industrial Engineer (TS/SCI)
APPLY
Delta Solutions Strategies
Allenspark, CO
L5 Senior
September 3rd, 2026
Industrial Engineers
National Security
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Threat Radar Engineer SME
APPLY
Canvas
Eglin Air Force Base, FL
L6 Lead
September 4th, 2026
Electronics Engineers, Except Computer
National Security
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Staff Cyber Systems Engineer (S) Jobs
APPLY
Clearance
Huntsville, AL
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Defensive Drone Technology Evaluator- Washington, DC
APPLY
Serco
Washington, DC
L5 Senior
September 11th, 2026
Aerospace Engineers
National Security
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Inspection Supervisor
APPLY
Lockheed Martin
Thomasville, GA
L6 Lead
September 11th, 2026
Inspectors, Testers, Sorters, Samplers, and Weighers
National Security
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Supervisory General Engineer
APPLY
Us Office Of Inspector General
Alexandria, VA
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
National Security
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Technology Security and Foreign Disclosure SME
APPLY
Systems Planning Analysis
Andrews Air Force Base, MD
L6 Lead
September 11th, 2026
Security Management Specialists
National Security
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NCIS Network Engineer
APPLY
Arena Technical Resources
Quantico, VA
L6 Lead
September 11th, 2026
Network and Computer Systems Administrators
National Security
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SUPERVISORY GENERAL ENGINEER/COMPUTER SCIENTIST/DATA SCIENTIST/ INFORMATION TECHNOLOGY SPECIALIST
APPLY
Naval Air Systems Command
Patuxent River, MD
L7 Manager
September 11th, 2026
Computer and Information Systems Managers
National Security
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Sr Data Analyst/Content Manager- Arnold, MO Jobs
APPLY
ClearanceJobs
St Louis, MO
L5 Senior
September 11th, 2026
Geographic Information Systems Technologists and Technicians
National Security
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Technical Writer/Editor / Active Secret Jobs
APPLY
ClearanceJobs
Arlington, VA
L5 Senior
September 11th, 2026
Writers and Authors
National Security
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Explosives Safety & Operations Engineer Jobs
APPLY
Clearance
Tucson, AZ
L5 Senior
September 8th, 2026
Occupational Health and Safety Specialists
National Security
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Mission Systems Engineer
APPLY
Dovel Technologies
Brooklyn, NY
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Principal System Analyst Jobs
APPLY
Clearance
Huntsville, AL
L6 Lead
September 12th, 2026
Computer Systems Analysts
National Security
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Technical Writer - Crane IN
APPLY
Msccn
Crane, IN
L5 Senior
September 11th, 2026
Technical Writers
National Security
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Senior RF Systems Engineer DoD Secret Clearance, MBSE
APPLY
Insight Global
Salt Lake City, UT
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Mission Operations Engineer, Army Intelligence & C2 (Acti Jobs
APPLY
Clearance
Aberdeen, MD
L7 Manager
September 2nd, 2026
Computer Systems Engineers/Architects
National Security
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Air to Air Systems Project Manager Jobs
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Clearance
Tucson, AZ
L6 Lead
September 11th, 2026
Project Management Specialists
National Security
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Director, Chief of Staff, Office of the CTO
APPLY
Twentysix Defense
Roanoke, TX
L7 Manager
September 11th, 2026
Executive Secretaries and Executive Administrative Assistants
National Security
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Senior Reliability Engineer
APPLY
Colonial Staffing Group
Fairfax, VT
L6 Lead
September 11th, 2026
Engineers, All Other
National Security
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Lead FMS Mission Planning Systems Engineer
APPLY
Seneca
Lexington, KY
L6 Lead
September 10th, 2026
Architectural and Engineering Managers
National Security
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PERFORMANCE ANALYST ENGINEER
APPLY
Ignite Fueling Innovation
Huntsville, AL
L6 Lead
September 12th, 2026
Aerospace Engineers
National Security
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Assistant Site Manager
APPLY
V2X
St Helena, CA
L5 Senior
September 12th, 2026
General and Operations Managers
National Security
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Senior ISR Modeling & Simulation Specialist – ISR DAM with Security Clearance
APPLY
Garrett Group
Offutt Air Force Base, NE
L6 Lead
September 12th, 2026
Geographic Information Systems Technologists and Technicians
National Security
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SCIENCE AND TECHNOLOGY ANALYST
APPLY
Check Defense
Raleigh, NC
L5 Senior
September 12th, 2026
Intelligence Analysts
National Security
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Strategic Deterrent Nuclear Survivability Analyst (Hill AFB, Utah)
APPLY
Johnshopkinsuniversityappliedphysicslaboratory
Hill AFB, UT
L6 Lead
September 12th, 2026
Nuclear Engineers
National Security
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Lead Program Manager
APPLY
Str
Brooklyn, NY
L7 Manager
September 10th, 2026
Project Management Specialists
National Security
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Contracts Administrator I
APPLY
Sierra Nevada
Littleton, CO
L5 Senior
September 12th, 2026
Secretaries and Administrative Assistants, Except Legal, Medical, and Executive
National Security
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US Citizens only, FPGA Distinguished Member of the Technical Staff Lead Principal Engineer- MK48 Torpedo
APPLY
A New Beginninggenesis 2
Denver, CO
L6 Lead
September 12th, 2026
Electronics Engineers, Except Computer
National Security
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Science and Technology Analyst
APPLY
Check Defence
Virginia Beach, VA
L5 Senior
September 12th, 2026
Intelligence Analysts
National Security
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Senior Systems Engineer, Technology Release
APPLY
Anduril
Washington, DC
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
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Director of Business Development
APPLY
Staco Systems
Denver, CO
L7 Manager
September 19th, 2026
Sales Managers
National Security
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DoD SkillBridge: Field Technician
APPLY
Vets2pm
Brooklyn, NY
L1 Intern
September 21st, 2026
Installation, Maintenance, and Repair Workers, All Other
National Security
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Modeling & Simulation Engineer
APPLY
Mcr
Arlington, VA
L5 Senior
September 6th, 2026
Operations Research Analysts
National Security
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