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10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
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8,838
"validation engineer"
jobs
in
National Security
in last 30 days
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Date
Last 30 days
Junior Systems Engineer (ESOH)
APPLY
UICGS Bowhead Family of Companies
Stafford, VA
L6 Lead
September 16th, 2026
Engineers, All Other
Engineering Services
Show all >
TACOM (WVA): Project Engineer (Contingency)
APPLY
KBR
Watervliet, NY
L6 Lead
September 23rd, 2026
Engineers, All Other
Engineering Services
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Senior Project Engineer
APPLY
Leonardodrs
Frederick, MD
L6 Lead
September 23rd, 2026
Project Management Specialists
Engineering Services
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Mechanical Engineer, Anduril Expeditionary Systems
APPLY
Anduril
Long Beach, CA
L6 Lead
September 23rd, 2026
Mechanical Engineers
Engineering Services
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Senior Defense Systems Engineer - Aegis Combat Systems
APPLY
ASRC Federal
Brooklyn, NY
L6 Lead
September 23rd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Principal Engineer
APPLY
Parsons Company
Huntsville, TN
L6 Lead
September 23rd, 2026
Engineers, All Other
Engineering Services
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Principal Systems Engineer
APPLY
Sierra Nevada Company
Plano, TX
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Systems Engineer Architect - clearance required
APPLY
General Dynamics
Dedham, MA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
Principal Systems Engineer
APPLY
SAIC
Hill Air Force Base, UT
L6 Lead
September 11th, 2026
Engineers, All Other
Engineering Services
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Submarine Electrical Systems Lead - DoD Program Expert
APPLY
Kmssolutionsll
Washington, DC
L5 Senior
September 15th, 2026
Project Management Specialists
Engineering Services
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Electro Mechanical Engineering Asc Mgr
APPLY
Lockheed Martin
Dallas, TX
L7 Manager
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Senior Mechanical Engineer - Security Clearance Required
APPLY
Jacobs
Alexandria, VA
L5 Senior
September 15th, 2026
Mechanical Engineers
Engineering Services
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Project Engineer I
APPLY
Snc
Beavercreek, OH
L7 Manager
September 14th, 2026
Project Management Specialists
Engineering Services
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Naval Systems Integration & Sustainment Engineer
APPLY
Jsl Technologies
Port Hueneme, CA
L6 Lead
September 14th, 2026
Marine Engineers and Naval Architects
Engineering Services
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Modeling and Simulation Engineer, JM - PR 1454
APPLY
P E Systems
Omaha, NE
L6 Lead
September 15th, 2026
Aerospace Engineers
Engineering Services
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Civil Engineer (Structural)
APPLY
Us Nuclear Regulatory Commission
Derwood, MD
L6 Lead
September 15th, 2026
Civil Engineers
Engineering Services
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Junior Electrical Engineer, Joint Base Anacostia Bolling, Washington D.C,
APPLY
Technologist
Washington, DC
L5 Senior
September 15th, 2026
Electrical Engineers
Engineering Services
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Lead MBSE Systems Engineer - On-Site San Diego
APPLY
SAIC
San Diego, CA
L6 Lead
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
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MBSE Engineer for DoD NC3 Weapon Systems
APPLY
Moseley Technical Services
Dedham, MA
L4 Mid
September 15th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Systems Engineer
APPLY
Apogee Engineering
Fayetteville, NC
L6 Lead
September 14th, 2026
Engineers, All Other
Engineering Services
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Combat Systems Integration Engineer - Navy Yard, Washington, D.C.
APPLY
Serco
Andrews Air Force Base, MD
L5 Senior
September 14th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Lead Systems Engineer
APPLY
MITRE
St Petersburg, FL
L6 Lead
September 15th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Quality Control Manager - Ft. Meade, MD
APPLY
MC Dean
Hyattsville, MD
L7 Manager
September 15th, 2026
Quality Control Systems Managers
Engineering Services
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VP, Global Growth Director – Defense (OEM)
APPLY
AECOM
Anaheim, CA
L7 Manager
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
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C5ISR Systems Technician I
APPLY
Altus Technology Solutions
Brooklyn, NY
L5 Senior
September 16th, 2026
Engineering Technologists and Technicians, Except Drafters, All Other
Engineering Services
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Power Engineer - San Diego CA
APPLY
National Guard Employment Network
San Diego, CA
L5 Senior
September 1st, 2026
Electrical Engineers
Engineering Services
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Engineering Technician Lead
APPLY
Serco
Concord, NC
L5 Senior
September 1st, 2026
Computer Systems Engineers/Architects
Engineering Services
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Entry Level CAD Assistant
APPLY
Science Applications International
Hanahan, SC
L3 Junior
September 1st, 2026
Mechanical Drafters
Engineering Services
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Senior MODSIM Systems Engineer - Joint Simulation
APPLY
Anduril Industries
Costa Mesa, CA
L6 Lead
September 2nd, 2026
Aerospace Engineers
Engineering Services
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Senior Systems Engineer - DoD Training Simulations
APPLY
Prattwhitney
Christiansburg, VA
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Senior Mission Systems Engineer - Lead, Modeling & Flight Readiness
APPLY
Asrinternationalcorp
Newport News, VA
L6 Lead
September 2nd, 2026
Aerospace Engineers
Engineering Services
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Civil Engineer - Air Force Infrastructure Leader
APPLY
Booz Allen Hamilton
Colorado Springs, CO
L7 Manager
September 2nd, 2026
Architectural and Engineering Managers
Engineering Services
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Model-Based Systems Engineer - Autonomy & Defense
APPLY
Ai Chopping Block
Costa Mesa, CA
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Systems Engineer (Senior)
APPLY
Sabre Systems
Hyattsville, MD
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Senior Systems Engineer DoD Test & Evaluation Lead
APPLY
Hart Technologies
Virginia, IL
L6 Lead
September 2nd, 2026
Engineers, All Other
Engineering Services
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Mechanical Engineer - Naval Facilities MEP Lead
APPLY
Ishe
Brooklyn, NY
L6 Lead
September 2nd, 2026
Mechanical Engineers
Engineering Services
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Systems Engineer Associate - Hypersonics (Secret Clearance)
APPLY
SAIC
Huntsville, AL
L3 Junior
September 2nd, 2026
Aerospace Engineers
Engineering Services
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SIGINT Systems Engineer - TS/SCI Full Poly
APPLY
Cymertek
Hyattsville, MD
L5 Senior
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Junior Mechanical Engineer - TS/SCI Polygraph Required
APPLY
Via Logic
Reston, VA
L5 Senior
September 2nd, 2026
Mechanical Engineers
Engineering Services
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Senior Systems Engineer
APPLY
Amentum
Virginia, IL
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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