JOBSEARCHER
OCCUPATIONS
INDUSTRIES
LOCATIONS
COMPANIES
SENIORITY
EXPLORE
SIGN IN
KEYWORDS
LOCATIONS
EXACT
NEARBY
Advanced search
SEARCH
10,000+
"validation engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
9,317
"validation engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
Filter
<
Date
Last 30 days
Technical Writer
APPLY
Sgr
Huntsville, AL
L5 Senior
September 11th, 2026
Technical Writers
National Security
Show all >
Electrical Engineer Jobs
APPLY
Clearance
Hanscom Afb, MA
L5 Senior
September 11th, 2026
Electrical Engineers
National Security
Show all >
FMS Combat Systems Engineer Jobs
APPLY
Clearance
Washington, DC
L5 Senior
September 11th, 2026
Engineers, All Other
National Security
Show all >
Project Management Support Specialist
APPLY
Torch Technologies
Tennessee Ridge, TN
L5 Senior
September 11th, 2026
Project Management Specialists
National Security
Show all >
Mission Systems Engineer, Senior
APPLY
Clearance
Colorado Springs, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Military Fellowship Program: Systems Engineer Jobs
APPLY
Clearance
Dayton, OH
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Supervisory Visual Information Specialist
APPLY
U.S. Government
Franklin, TN
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
National Security
Show all >
Principal Specialist, Engineering Services
APPLY
RTX
McKinney, TX
L6 Lead
September 11th, 2026
Engineers, All Other
National Security
Show all >
Lead Systems Engineer Jobs
APPLY
Clearance
Tampa, FL
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
INTERDISCIPLINARY GENERAL ENGINEER/CIVIL ENGINEER/MECHANICAL ENG Jobs
APPLY
Clearance
Pensacola, FL
L6 Lead
September 11th, 2026
Architectural and Engineering Managers
National Security
Show all >
Senior Systems Engineer, Missiles Jobs
APPLY
Clearance
Costa Mesa, CA
L6 Lead
September 11th, 2026
Aerospace Engineers
National Security
Show all >
SSDS Operations & Maintenance Manager Jobs
APPLY
Clearance
Virginia Beach, VA
L5 Senior
September 11th, 2026
Aerospace Engineering and Operations Technologists and Technicians
National Security
Show all >
Senior Balance Engineer
APPLY
Beyond New Horizons
Tennessee Ridge, TN
L5 Senior
September 11th, 2026
Engineers, All Other
National Security
Show all >
Mission Engineer & Integrator - Technical Operations Jobs
APPLY
Clearance
McLean, VA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Systems Engineer (Journeyman) - PMA 272 Jobs
APPLY
Clearance
Lexington Park, MD
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Principal Systems Engineer - RDC Warfighter Support Team
APPLY
RTX
Colorado Springs, CO
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Systems Engineer
APPLY
SAI
Hill AFB, UT
L6 Lead
September 9th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Engineer, National Security (TS/SCI Eligible)
APPLY
KBR
Colorado Springs, CO
L6 Lead
September 9th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Air and Missile Defense (AMD) Engagement Operations (EO) IBCS Future Capabilities (IFC) Product Owner (PO)
APPLY
Integrationinnovationinc
Huntsville, AL
L6 Lead
September 4th, 2026
Project Management Specialists
National Security
Show all >
Engineer, SME (TS) - Test Planning and Management
APPLY
Trax International
Dahlgren, VA
L6 Lead
September 9th, 2026
Architectural and Engineering Managers
National Security
Show all >
Senior DoD Acquisition Lead & Program Strategist
APPLY
Adams Communications Engineering Technology
Norfolk, VA
L6 Lead
September 25th, 2026
Project Management Specialists
National Security
Show all >
Military Analyst - Engineering Training Support (Norfolk, VA)
APPLY
Serco North America
Hampton, VA
L5 Senior
September 19th, 2026
Project Management Specialists
National Security
Show all >
DSP Engineer, SIGINT & Defense Systems (TS/SCI)
APPLY
CACI International
Sterling, VA
L6 Lead
September 9th, 2026
Electronics Engineers, Except Computer
National Security
Show all >
General Interdisciplinary Engineer, Journeyman - Secret
APPLY
DCS
Brooklyn, NY
L6 Lead
September 29th, 2026
Engineers, All Other
National Security
Show all >
Engineering Program Manager EPM
APPLY
Compunnel
Baltimore, MD
L7 Manager
September 4th, 2026
Architectural and Engineering Managers
National Security
Show all >
Mission Engineer: Air Dominance & Strike (Active Clearance)
APPLY
Anduril Industries
Costa Mesa, CA
L4 Mid
September 29th, 2026
Aerospace Engineers
National Security
Show all >
Sentinel Principal/ Sr. Principal Structural Analyst - &
APPLY
Northrop Grumman
Roy, UT
L6 Lead
September 23rd, 2026
Engineers, All Other
National Security
Show all >
DSP Engineer (TS/SCI, CI Poly) - Real-Time Signal Processing
APPLY
CACI International
Hyattsville, MD
L6 Lead
September 29th, 2026
Electronics Engineers, Except Computer
National Security
Show all >
Senior NATO Requirements Engineer - On-Site Norfolk
APPLY
Systems Planning Analysis
Norfolk, VA
L6 Lead
September 21st, 2026
Computer Systems Analysts
National Security
Show all >
Senior Acquisition Analyst, Undersea Warfare Strategy
APPLY
Systems Planning Analysis
Alexandria, VA
L5 Senior
September 29th, 2026
Purchasing Agents, Except Wholesale, Retail, and Farm Products
National Security
Show all >
Regional Strike Programs - Systems Engineering (Fall Co-op)
APPLY
General Dynamics
Pittsfield, MA
L1 Intern
September 15th, 2026
Engineers, All Other
National Security
Show all >
Mechanical Engineer - Mid with Security Clearance
APPLY
Galapagos Federal Systems
Honolulu, HI
L5 Senior
October 1st, 2026
Mechanical Engineers
National Security
Show all >
Senior Quality Engineering Manager-Defense/Critical Systems
APPLY
Unofficial McDean
Fort Meade, MD
L6 Lead
October 1st, 2026
Quality Control Systems Managers
National Security
Show all >
Mechanical Engineer I
APPLY
Sierra Nevada
Littleton, CO
L3 Junior
October 1st, 2026
Mechanical Engineers
National Security
Show all >
Junior Chemical Engineer, Defense Threat Reduction
APPLY
Global Systems Engineering
Fort Belvoir, VA
L4 Mid
September 9th, 2026
Chemical Engineers
National Security
Show all >
Electrical Technician - Secret Clearance & Systems Impact
APPLY
KBR
Raleigh, NC
L4 Mid
October 1st, 2026
Electrical and Electronic Engineering Technologists and Technicians
National Security
Show all >
Digital Signal Processing (DSP) Engineer Sterling, VA, US
APPLY
CACI International
Sterling, VA
L6 Lead
September 9th, 2026
Electronics Engineers, Except Computer
National Security
Show all >
Mission Engineering Lead: CONOPS, Visualization & Planning
APPLY
Prattwhitney
Tucson, AZ
L7 Manager
September 23rd, 2026
Architectural and Engineering Managers
National Security
Show all >
Senior Performance Analysis Engineer - Missile Defense
APPLY
Mission Driven Research
Huntsville, AL
L6 Lead
October 1st, 2026
Aerospace Engineers
National Security
Show all >
Secret-Cleared Engineering PM BECS & DoD Modernization
APPLY
Engenius Consulting Group
Fort Belvoir, VA
L5 Senior
September 15th, 2026
Project Management Specialists
National Security
Show all >
1
14
15
16
100