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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
Model-Based Systems Engineer - MATLAB/Simulink (Regional Strike Programs)
APPLY
Progeny Systems
Pittsfield, MA
L6 Lead
September 21st, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
SCS- Hovering & Missile Compensation Systems (HMCCS) (SIT) Support- Washington, DC
APPLY
Serco North America
Frederick, MD
L5 Senior
September 21st, 2026
Engineers, All Other
Engineering Services
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Systems Engineering Technical Manager - SWC
APPLY
Progeny Systems
Pittsfield, MA
L7 Manager
September 21st, 2026
Architectural and Engineering Managers
Engineering Services
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Senior Chief Engineer & Operations Leader (Navy Aviation)
APPLY
DCS
Ridgecrest, CA
L7 Manager
September 10th, 2026
General and Operations Managers
Engineering Services
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Tactical Data Link Program Engineering Manager (PEM) I Jobs
APPLY
ClearanceJobs
Wayne, NJ
L7 Manager
September 20th, 2026
Project Management Specialists
Engineering Services
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Principal Engineer
APPLY
Acqcentric
Huntsville, AL
L6 Lead
September 4th, 2026
Engineers, All Other
Engineering Services
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AFWERX Lead Engineer
APPLY
Air Force Research Laboratory
Northern, KY
L7 Manager
September 22nd, 2026
Architectural and Engineering Managers
Engineering Services
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System Safety Engineer, Senior
APPLY
Booz Allen Hamilton
Waldorf, MD
L6 Lead
September 15th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
Engineering Services
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Facility Design Engineer Sr - E3
APPLY
Lockheed Martin
Melbourne, FL
L6 Lead
September 15th, 2026
Engineers, All Other
Engineering Services
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Civil Engineer
APPLY
Bristol Bay Native
Colorado Springs, CO
L6 Lead
September 2nd, 2026
Civil Engineers
Engineering Services
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Systems Engineer - Mid Level
APPLY
DCS
Woodbridge, VA
L5 Senior
September 5th, 2026
Engineers, All Other
Engineering Services
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Solidworks CAD Designer
APPLY
Science Applications International
Aberdeen, MD
L5 Senior
September 3rd, 2026
Mechanical Drafters
Engineering Services
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Senior Mechanical Engineer
APPLY
ASRC Federal
Albuquerque, NM
L5 Senior
September 15th, 2026
Mechanical Engineers
Engineering Services
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Senior Systems Engineer – Analysis and Test Execution, Onsite
APPLY
Raytheon
Salem, MA
L5 Senior
September 15th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Civil Engineer – Systems Analysis
APPLY
Noblis
McLean, VA
L6 Lead
September 15th, 2026
Civil Engineers
Engineering Services
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Lead Electrical Architect - Expeditionary AI/HPC Data Centers
APPLY
Anduril Industries
Irvine, CA
L6 Lead
September 15th, 2026
Electrical Engineers
Engineering Services
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Senior Land Systems Engineer
APPLY
American Systems
Washington, DC
L6 Lead
September 22nd, 2026
Engineers, All Other
Engineering Services
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Capture Manager I
APPLY
CAE
St Petersburg, FL
L7 Manager
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
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Senior Mechanical Engineer – Structural/Thermal Analysis and Design (Onsite)
APPLY
Raytheon
L6 Lead
September 15th, 2026
Mechanical Engineers
Engineering Services
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Enterprise Schedule Management (ESM) Systems Engineer
APPLY
Peraton
McLean, VA
L6 Lead
September 15th, 2026
Project Management Specialists
Engineering Services
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Mechanical Engineer Subject Matter Expert
APPLY
CACI International
Lakewood, CO
L6 Lead
September 15th, 2026
Mechanical Engineers
Engineering Services
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Senior Modeling and Simulation Systems Engineer
APPLY
Red Gate
McLean, VA
L6 Lead
September 15th, 2026
Aerospace Engineers
Engineering Services
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Structural Test Instrumentation Engineer Staff
APPLY
Lockheed Martin
Dallas, TX
L6 Lead
September 15th, 2026
Engineers, All Other
Engineering Services
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Project Engineer III/IV (Land)
APPLY
Textron Systems
Baltimore, MD
L7 Manager
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
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System Safety Engineer, Mid
APPLY
Booz Allen Hamilton
Waldorf, MD
L6 Lead
September 15th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
Engineering Services
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Systems Engineer Level 3
APPLY
Prescient Edge
Alexandria, VA
L5 Senior
September 15th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Senior Engineer I
APPLY
DCS
Fort Walton Beach, FL
L6 Lead
September 22nd, 2026
Engineers, All Other
Engineering Services
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Senior Mechanical Engineer – Structural Analysis
APPLY
Raytheon
Somerville, MA
L6 Lead
September 15th, 2026
Mechanical Engineers
Engineering Services
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Senior System Safety Engineer
APPLY
Anduril Industries
Irvine, CA
L6 Lead
September 15th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
Engineering Services
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Safety Engineer - E2
APPLY
Lockheed Martin
Camden County, GA
L6 Lead
September 15th, 2026
Occupational Health and Safety Specialists
Engineering Services
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Manager, Mechanical Engineering
APPLY
Oceaneering International
Columbia, MD
L7 Manager
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
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Principal Systems Engineer
APPLY
Leonardo DRS
Fairborn, OH
L6 Lead
September 15th, 2026
Engineers, All Other
Engineering Services
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Mechanical Engineer, Senior
APPLY
CACI International
Honolulu, HI
L6 Lead
September 9th, 2026
Mechanical Engineers
Engineering Services
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Civil Engineer
APPLY
Soc
Albuquerque, NM
L6 Lead
September 3rd, 2026
Civil Engineers
Engineering Services
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Field Engineer (Mid-Level)
APPLY
Blacksea Technologies
Baltimore, MD
L6 Lead
September 8th, 2026
Engineers, All Other
Engineering Services
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Maritime Systems Engineer (Top Secret Clearance with SCI Required)
APPLY
St Michaels
Tampa, FL
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Systems Engineer - Maritime S&T/R&D (Top Secret Clearance Required)
APPLY
St Michaels
Tampa, FL
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
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Lead System Engineer
APPLY
Parsons
Huntsville, AL
L6 Lead
September 2nd, 2026
Architectural and Engineering Managers
Engineering Services
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Senior Operations Strategy Lead - CLEARED
APPLY
Squires Group
Pentagon City, VA
L7 Manager
September 18th, 2026
General and Operations Managers
Engineering Services
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Associate Director/Advanced Technology Analysis Subject Matter Expert (SME)
APPLY
Raytheon
Arlington, VA
L6 Lead
September 2nd, 2026
Aerospace Engineers
Engineering Services
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