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10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
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8,244
"validation engineer"
jobs
in
National Security
in last 30 days
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Date
Last 30 days
MODELING & SIMULATION ENGR
APPLY
Lumbee Tribe Holdings
Pendleton, NY
L5 Senior
September 6th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Modeling and Simulation Engineer
APPLY
Modern Technology Solutions
Washington, DC
L6 Lead
September 6th, 2026
Aerospace Engineers
Engineering Services
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Mechanical Engineering Intern (Summer 2027)
APPLY
Sierra Nevada
Englewood, CO
L1 Intern
September 7th, 2026
Aerospace Engineers
Engineering Services
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Systems Engineering & Test External Outreach & Standards Lead
APPLY
Lockheed Martin
Colorado Springs, CO
L6 Lead
September 13th, 2026
Project Management Specialists
Engineering Services
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Industrial Engineer I (Onsite) Jobs
APPLY
ClearanceJobs
Andover, MA
L4 Mid
September 19th, 2026
Industrial Engineers
Engineering Services
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Senior System Safety Engineer
APPLY
SAI
Richmond, VA
L6 Lead
September 19th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
Engineering Services
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General Engineer
APPLY
National Gallery Of Art
Pine Bluff, AR
L6 Lead
September 19th, 2026
Engineers, All Other
Engineering Services
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Senior Systems Engineer - TS/SCI Eligible, Defense Tech
APPLY
Apogee Engineering
Coronado, CA
L6 Lead
September 20th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Senior Federal Project Manager
APPLY
WSP
Lawrence Township, NJ
L6 Lead
September 11th, 2026
Architectural and Engineering Managers
Engineering Services
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SDA Radar Systems Sustainment Engineer
APPLY
Odyssey Systems
Colorado Springs, CO
L6 Lead
September 20th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Lead Systems Engineer
APPLY
Parsons
Birmingham, AL
L6 Lead
September 15th, 2026
Engineers, All Other
Engineering Services
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Technical Engineering Lead
APPLY
Parsons
Birmingham, AL
L6 Lead
September 15th, 2026
Architectural and Engineering Managers
Engineering Services
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Senior Engineering Fellow
APPLY
Parsons
Birmingham, AL
L6 Lead
September 15th, 2026
Aerospace Engineers
Engineering Services
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Command & Control Modeling & Simulation Engineer
APPLY
Parsons
Birmingham, AL
L6 Lead
September 15th, 2026
Aerospace Engineers
Engineering Services
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Chief Engineer (Full-Time)
APPLY
L3Harris Technologies
Linthicum Heights, MD
L7 Manager
September 16th, 2026
Architectural and Engineering Managers
Engineering Services
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Engineering Technician D
APPLY
L3Harris Technologies
South El Monte, CA
L5 Senior
September 15th, 2026
Electrical and Electronic Engineering Technologists and Technicians
Engineering Services
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Chief Engineer, Intelligence Systems Jobs
APPLY
ClearanceJobs
Reston, VA
L7 Manager
September 12th, 2026
Architectural and Engineering Managers
Engineering Services
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Senior Federal Project Manager
APPLY
Wsp Group
Arlington, VA
L6 Lead
September 13th, 2026
Architectural and Engineering Managers
Engineering Services
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Hardware Engineering Manager – Mechanical / Electrical (Onsite)
APPLY
Raytheon
Binghamton, NY
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
Engineering Services
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Electrical Engineer
APPLY
Brs
Hampton, VA
L5 Senior
September 16th, 2026
Electrical Engineers
Engineering Services
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Mechanical Engineer
APPLY
Tcs
Bedford, PA
L6 Lead
September 9th, 2026
Mechanical Engineers
Engineering Services
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Submarine Electrical Engineer - Washington, D.C.
APPLY
Serco
Gettysburg, PA
L5 Senior
September 11th, 2026
Electrical Engineers
Engineering Services
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Non-Propulsion Electronics Systems Engineer
APPLY
Serco
Andrews Air Force Base, MD
L5 Senior
September 16th, 2026
Electrical and Electronic Engineering Technologists and Technicians
Engineering Services
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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
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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
Show all >
Facility Design Engineer Sr - E3
APPLY
Lockheed Martin
Melbourne, FL
L6 Lead
September 15th, 2026
Engineers, All Other
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
Show all >
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