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10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
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8,588
"validation engineer"
jobs
in
National Security
in last 30 days
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Date
Last 30 days
NNSA Defense Programs Engineer Jobs
APPLY
Clearance
Colorado Springs, CO
L6 Lead
September 16th, 2026
Aerospace Engineers
National Security
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Junior Data Engineer
APPLY
Bowhead
Stafford, VA
L5 Senior
September 16th, 2026
Data Warehousing Specialists
National Security
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System Engineer
APPLY
Torentify
Los Angeles, CA
L6 Lead
September 16th, 2026
Computer Systems Engineers/Architects
National Security
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Mechanical Engineer
APPLY
Donatech
Hyattsville, MD
L5 Senior
September 16th, 2026
Mechanical Engineers
National Security
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Production Team Lead
APPLY
CACI International
Hyattsville, MD
L6 Lead
September 16th, 2026
Project Management Specialists
National Security
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Journeyman Program/Project/Management Analyst-NAS Patuxent River
APPLY
Adamscommunication
Patuxent River, MD
L4 Mid
September 15th, 2026
Project Management Specialists
National Security
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Military Planner
APPLY
Meadhuntinc
Gladstone, OR
L6 Lead
September 17th, 2026
Urban and Regional Planners
National Security
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General Engineer
APPLY
Missile Defense Agency
Semmes, AL
L6 Lead
September 16th, 2026
Engineers, All Other
National Security
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Operations Manager (Senior)* in Patuxent
APPLY
Energy Jobline
Odenton, MD
L5 Senior
September 16th, 2026
Project Management Specialists
National Security
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Radar Field Engineer - Naval Systems, Travel Ready
APPLY
Harris Geospatial Solutions
Brooklyn, NY
L5 Senior
September 17th, 2026
Electronics Engineers, Except Computer
National Security
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Marine Field Engineer Technician II (Travel 40-50%)
APPLY
Rtt
Norfolk, VA
L5 Senior
September 17th, 2026
Motorboat Mechanics and Service Technicians
National Security
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Specialized IETM Technical Writer with Security Clearance
APPLY
Asd
Elkridge, MD
L5 Senior
September 17th, 2026
Technical Writers
National Security
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Modeling Unit Specialist
APPLY
Prevailance
Virginia Beach, VA
L5 Senior
September 18th, 2026
Military Enlisted Tactical Operations and Air/Weapons Specialists and Crew Members, All Other
National Security
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RF SME
APPLY
KBR
Huntsville, AL
L6 Lead
September 18th, 2026
Electronics Engineers, Except Computer
National Security
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Sr. HSE Specialist (Contingent)
APPLY
KBR
Anniston, AL
L6 Lead
September 18th, 2026
Occupational Health and Safety Specialists
National Security
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SUPERVISORY MATERIALS ENGINEER
APPLY
National Gallery Of Art
Coatesville, PA
L7 Manager
September 18th, 2026
Materials Engineers
National Security
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Systems Engineering & Test Capabilities Operations Analyst (Remote)
APPLY
Ladders
Denver, CO
Remote
L6 Lead
September 18th, 2026
Business Operations Specialists, All Other
National Security
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C4ISR AC&S Tactical Datalinks Portfolio Chief Engineer Jobs
APPLY
Clearance
Wayne, NJ
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
National Security
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Reliability Engineer Level 3/4 Jobs
APPLY
Clearance
Los Angeles, CA
L6 Lead
September 11th, 2026
Engineers, All Other
National Security
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Airborne SIGINT SME
APPLY
Metrea
Andrews Air Force Base, MD
L5 Senior
September 9th, 2026
Military Enlisted Tactical Operations and Air/Weapons Specialists and Crew Members, All Other
National Security
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Senior Program Analyst DoD SE&I Lead (Secret)
APPLY
Jrc Integrated Systems
Andrews Air Force Base, MD
L5 Senior
September 8th, 2026
Project Management Specialists
National Security
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Hybrid: Congressional Affairs Strategist, Submarine Policy
APPLY
Serco
Andrews Air Force Base, MD
L5 Senior
September 10th, 2026
Legislators
National Security
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AOC C2WSPTT PED Scenario Developer
APPLY
B3h
Hurlburt Field, FL
L5 Senior
September 14th, 2026
Training and Development Specialists
National Security
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Lead Project Manager
APPLY
Credence Company
Hyattsville, MD
L4 Mid
September 12th, 2026
Project Management Specialists
National Security
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Principal Nuclear Detection Systems Engineer Jobs
APPLY
Clearance
El Segundo, CA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Nuclear Systems Safety Engineer
APPLY
MDA Edge
Dedham, MA
L6 Lead
September 14th, 2026
Nuclear Engineers
National Security
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Mechanical Engineer
APPLY
Progeny Systems Acquired By General Dynamics
Manassas, VA
L6 Lead
September 11th, 2026
Mechanical Engineers
National Security
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Acquisition Program Manager Senior Jobs
APPLY
Clearance
Niceville, FL
L5 Senior
September 13th, 2026
Project Management Specialists
National Security
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System Administrator SME
APPLY
Warrant Technologies Warrant
Loogootee, IN
L5 Senior
September 13th, 2026
Network and Computer Systems Administrators
National Security
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Systems Engineer (IP)
APPLY
National Guard Employment Network
Dahlgren, VA
L5 Senior
September 13th, 2026
Computer Systems Engineers/Architects
National Security
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Chief Engineer, SYD 810/ETW
APPLY
United States Space Force
Los Angeles, CA
L6 Lead
September 9th, 2026
Engineers, All Other
National Security
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SENIOR TECHNICAL PLANNER
APPLY
U.S. Department of War
Arlington, VA
L7 Manager
September 11th, 2026
Project Management Specialists
National Security
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Deputy Program Manager, Engineering (DPME) Future Combatants and Jobs
APPLY
Clearance
Pittsfield, MA
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
National Security
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Production & Quality Engineer - PMA 268
APPLY
Synectic Solutions
Lexington Park, MD
L6 Lead
September 11th, 2026
Manufacturing Engineers
National Security
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SME Engineering Support (Anti-Tamper)
APPLY
Serco North America
Dayton, OH
L6 Lead
September 11th, 2026
Electronics Engineers, Except Computer
National Security
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Agile SW Engagement Operations Product Owner
APPLY
Acqcentric
Huntsville, AL
L6 Lead
September 14th, 2026
Project Management Specialists
National Security
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Security Specialist II Jobs
APPLY
Clearance
Westminster, CO
L5 Senior
September 14th, 2026
Security Management Specialists
National Security
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Staff Technical Program Manager, Intelligence Systems
APPLY
Anduril
Reston, VA
L6 Lead
September 14th, 2026
Project Management Specialists
National Security
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Senior Weapons System Analyst/Missile Systems Analyst Jobs
APPLY
Clearance
Huntsville, AL
L6 Lead
September 14th, 2026
Intelligence Analysts
National Security
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Senior Principal Systems Engineer - RDC Warfighter Support Team Jobs
APPLY
Clearance
Colorado Springs, CO
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
National Security
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