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10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
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8,892
"validation engineer"
jobs
in
National Security
in last 30 days
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Date
Last 30 days
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
Show all >
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
Show all >
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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Student Intern - Field Engineering
APPLY
Y12 National Security Complex
Oak Ridge, TN
L1 Intern
September 3rd, 2026
Engineers, All Other
Engineering Services
Show all >
M&S Event Mission Manager
APPLY
Torch Technologies
Huntsville, AL
L6 Lead
September 8th, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
SCS- Hovering & Missile Compensation Systems (HMCCS) (SIT) Support- Washington, DC
APPLY
Serco
Andrews Air Force Base, MD
L5 Senior
September 16th, 2026
Engineers, All Other
Engineering Services
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Engineer- Programming & Design/ Portfolio Optimization
APPLY
Objective Area Solutions
Phoenix, AZ
L6 Lead
September 1st, 2026
Engineers, All Other
Engineering Services
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RATT Team Lead - SME
APPLY
Prevailance
San Diego, CA
L6 Lead
September 4th, 2026
First-Line Supervisors of Mechanics, Installers, and Repairers
Engineering Services
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Energy Program Manager
APPLY
Tj Consulting Group
Panama City, FL
L5 Senior
September 12th, 2026
Project Management Specialists
Engineering Services
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Senior Electrical Engineer
APPLY
Ironmountain Solutions
Huntsville, AL
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Submarine Sonar Technician (ARCI / Multi‑Platform)
APPLY
Amentum
New Castle, NH
L5 Senior
September 10th, 2026
Commercial Divers
Engineering Services
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Sentinel - Systems/Principal Systems Engineering Architect
APPLY
Northrop Grumman
Roy, UT
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Technical Engineering Lead
APPLY
Parsons
Huntsville, AL
L6 Lead
September 11th, 2026
Architectural and Engineering Managers
Engineering Services
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Designer IV
APPLY
JT4
Edwards, CA
L5 Senior
September 14th, 2026
Drafters, All Other
Engineering Services
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System Engineer
APPLY
Radial Solutions
Huntsville, AL
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
Engineering Services
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Sustainment Engineer
APPLY
SAIC
Crane, TX
L6 Lead
September 6th, 2026
Mechanical Engineers
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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Missile Defense System Mission Engineer/Analyst
APPLY
Torch Technologies
Huntsville, AL
L6 Lead
September 6th, 2026
Aerospace Engineers
Engineering Services
Show all >
E3/HEMP Electrical Engineer (Testing/Analysis) Level 3/4 R10249179
APPLY
Northrop Grumman
Huntsville, AL
L6 Lead
September 20th, 2026
Electrical Engineers
Engineering Services
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Mechanical Engineer Intern (Summer 2027)
APPLY
Sierra Nevada
Dayton, OH
L1 Intern
September 6th, 2026
Mechanical Engineers
Engineering Services
Show all >
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