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10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
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9,814
"validation engineer"
jobs
in
National Security
in last 30 days
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Date
Last 30 days
Senior Thermal & Stress Analyst – Aerospace Defense
APPLY
Koitecc Solutions
Brooklyn, NY
L6 Lead
October 4th, 2026
Mechanical Engineers
National Security
Show all >
Senior Quality Engineering & QC Lead
APPLY
MC Dean
Fort Meade, MD
L7 Manager
October 3rd, 2026
Quality Control Systems Managers
National Security
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Senior Naval Programs Operations Lead
APPLY
Adams Communication Engineering Technology Acet
New Castle, DE
L6 Lead
October 4th, 2026
General and Operations Managers
National Security
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Senior EMO/EW Capabilities Lead for NATO Programs
APPLY
Ironcladdefenseworks
Norfolk, VA
L6 Lead
October 4th, 2026
First-Line Supervisors of All Other Tactical Operations Specialists
National Security
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Engineering Program Manager
APPLY
Engenius Consulting Group
Fort Belvoir, VA
L7 Manager
September 12th, 2026
Project Management Specialists
National Security
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JADC2 Operations Strategist & CONOPS Lead
APPLY
KBR
Reston, VA
L7 Manager
October 4th, 2026
Business Operations Specialists, All Other
National Security
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Defense System Safety Engineer II – MIL-STD-882 Expert
APPLY
Apex Systems
Woburn, MA
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Tactical Data Link Test Engineer - Lead
APPLY
Astrion
Eglin Air Force Base, FL
L6 Lead
October 3rd, 2026
First-Line Supervisors of All Other Tactical Operations Specialists
National Security
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Missile Defense System Mission Engineer/Analyst, Mid-Level
APPLY
Simtechinc
Huntsville, AL
L6 Lead
October 3rd, 2026
Aerospace Engineers
National Security
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Submarine Programs Strategy Lead
APPLY
Systems Planning Analysis
Washington, DC
L6 Lead
October 4th, 2026
Project Management Specialists
National Security
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Engineering Project Manager Mission-Critical Systems
APPLY
KBR
Watervliet, NY
L6 Lead
October 3rd, 2026
Project Management Specialists
National Security
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Electrical Engineer - NCR-IADS Defense Systems
APPLY
Kratos Defense & Security Solutions
Huntsville, AL
L5 Senior
October 3rd, 2026
Electrical Engineers
National Security
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Senior System Engineer & Portfolio Strategy Lead
APPLY
KBR
Chevy Chase, MD
L7 Manager
September 29th, 2026
Project Management Specialists
National Security
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Senior Training Systems Engineer & SME (TS/SCI Poly)
APPLY
Akina
Fort Meade, MD
L5 Senior
October 3rd, 2026
Training and Development Specialists
National Security
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Missile Defense Lethality Engineer Lead Test & Analysis
APPLY
Mtsi Va
Huntsville, AL
L6 Lead
October 3rd, 2026
Aerospace Engineers
National Security
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System Safety Engineer, SLD 30
APPLY
U.S. Government
Lompoc, CA
L4 Mid
September 11th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
National Security
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Chief Engineer — AI, ML & Mission Systems Lead
APPLY
Morse
Somerville, MA
L7 Manager
October 4th, 2026
Architectural and Engineering Managers
National Security
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Senior DoD Anti-Tamper Systems Engineer
APPLY
Serco
Hill Air Force Base, UT
L5 Senior
October 4th, 2026
Electronics Engineers, Except Computer
National Security
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Senior Electromagnetic Operations & Warfare Capability Development SME
APPLY
Ironcladdefenseworks
Norfolk, VA
L6 Lead
October 4th, 2026
Military Officer Special and Tactical Operations Leaders, All Other
National Security
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Senior Mechanical Engineer - Defense Systems
APPLY
Intrepid Global Solutions
Bethesda, MD
L5 Senior
October 3rd, 2026
Mechanical Engineers
National Security
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Senior Mechanical Engineer (Onsite)
APPLY
Prattwhitney
Largo, FL
L6 Lead
October 3rd, 2026
Mechanical Engineers
National Security
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Senior Lead Systems Engineer - Naval Weapons Systems
APPLY
Intrepid Group
Washington, DC
L6 Lead
October 3rd, 2026
Aerospace Engineers
National Security
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Sector Chief Engineer, Air and Missile Defense
APPLY
Johns Hopkins Applied Physics Lab
Laurel, MD
L7 Manager
October 4th, 2026
Architectural and Engineering Managers
National Security
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Lead Thermal & Stress Analyst - Aerospace/Defense
APPLY
Leidos
Huntsville, AL
L6 Lead
October 4th, 2026
Mechanical Engineers
National Security
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Senior/Principal Systems Engineer – Sentinel Program
APPLY
Northrop Grumman
Bellevue, NE
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
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Metrics Lead, Staff Systems Engineer (Secret)
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 3rd, 2026
Data Scientists
National Security
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Principal/Senior Systems Engineer - MBSE Lead (Secret)
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
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National Security Tech Project Manager
APPLY
KBR
Virginia, MN
L6 Lead
October 2nd, 2026
Project Management Specialists
National Security
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Lead Systems Engineer - National Security & Defense Tech
APPLY
KBR
Chantilly, VA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
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Senior Signal Processing Engineer - Lead EW Innovation
APPLY
Leidos
San Diego, CA
L6 Lead
October 3rd, 2026
Electronics Engineers, Except Computer
National Security
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Exportability Engineer - Defense Systems & TSFD
APPLY
Peopletec
Huntsville, AL
L6 Lead
October 3rd, 2026
Sales Engineers
National Security
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Systems Engineer/ Principal Systems Engineer - Nuclear Surety
APPLY
Northrop Grumman Au
Melbourne, FL
L6 Lead
October 4th, 2026
Nuclear Engineers
National Security
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Network Engineer 5 - Randolph AFB, TX with Security Clearance
APPLY
Unofficial McDean
Universal City, TX
L5 Senior
September 18th, 2026
Network and Computer Systems Administrators
National Security
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Senior Quality Engineering Manager Critical Systems
APPLY
MC Dean
Fort Meade, MD
L7 Manager
October 3rd, 2026
Quality Control Systems Managers
National Security
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Lead Systems Engineer - DoD (Secret) - Onsite Tucson
APPLY
RTX
Tucson, AZ
L6 Lead
October 3rd, 2026
Architectural and Engineering Managers
National Security
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Senior Principal Project Engineer - Mission-Critical
APPLY
Vectrus
Indianapolis, IN
L6 Lead
October 3rd, 2026
Project Management Specialists
National Security
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Senior DoD Engineering & Test SME
APPLY
Laukoa
Lexington Park, MD
L5 Senior
October 3rd, 2026
Engineers, All Other
National Security
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Lead Systems Engineer/Analyst - Defense & Data Analysis
APPLY
Freedom Real Estate
Huntsville, AL
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Principal Systems Modeling & Simulation Engineer
APPLY
Northrop Grumman
Palmdale, CA
L6 Lead
October 3rd, 2026
Aerospace Engineers
National Security
Show all >
Chief Engineer, Defense R&D Leader TS/SCI Eligible
APPLY
RPMGlobal
Beavercreek, OH
L7 Manager
October 2nd, 2026
Architectural and Engineering Managers
National Security
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