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
8,641
"validation engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
Filter
<
Date
Last 30 days
Force Design Research Analyst Strategic Defense Planning
APPLY
ManTech
Quantico, VA
L6 Lead
September 19th, 2026
Management Analysts
National Security
Show all >
ECST Assistant Team Lead - Corrosion Prevention & Control
APPLY
Vision Point Systems
Raleigh, NC
L5 Senior
September 11th, 2026
First-Line Supervisors of Mechanics, Installers, and Repairers
National Security
Show all >
SUPERVISORY ENGINEER OR SCIENTIST
APPLY
Us Naval Sea Systems Command
Newport, RI
L6 Lead
September 23rd, 2026
Engineers, All Other
National Security
Show all >
Strategic Acquisition & Financial Analyst (TS/SCI)
APPLY
Socket
Washington, DC
L5 Senior
September 23rd, 2026
Financial Specialists, All Other
National Security
Show all >
Senior Data Links & Combat Communications Engineer
APPLY
Applied Research Solutions
Bedford, MA
L6 Lead
September 9th, 2026
Telecommunications Engineering Specialists
National Security
Show all >
General Engineer AEDC/804 TSS
APPLY
Air Force Test Center
Tullahoma, TN
L6 Lead
September 15th, 2026
Engineers, All Other
National Security
Show all >
Sentinel - Principal / Sr Principal Systems Engineer - MS&A
APPLY
Northrop Grumman
Roy, UT
L6 Lead
September 19th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior OPSEC Threat & Risk Assessment Specialist / Deputy OPSEC Lead
APPLY
KBR
Alexandria, VA
L6 Lead
September 23rd, 2026
Security Management Specialists
National Security
Show all >
Supervisory Interdisciplinary (Resident Engineer).
APPLY
U.S. Army Corps of Engineers
White City, UT
L7 Manager
September 25th, 2026
Architectural and Engineering Managers
National Security
Show all >
Program Support Specialist 2 with Security Clearance
APPLY
Unofficial McDean
Fairfax Station, VA
L5 Senior
September 25th, 2026
Project Management Specialists
National Security
Show all >
Mid-Level Operational Analyst, Technical Subject Matter Expert, and Anti-Submarine Warfare
APPLY
Tech Wizards
Dahlgren, VA
L5 Senior
September 25th, 2026
Military Enlisted Tactical Operations and Air/Weapons Specialists and Crew Members, All Other
National Security
Show all >
Advanced Mechanical Engineer
APPLY
General Dynamics Mission Systems
Dedham, MA
L5 Senior
September 22nd, 2026
Mechanical Engineers
National Security
Show all >
Systems Engineering Field Tech Support Stf - E4
APPLY
Lockheed Martin
Arlington, VA
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Engineer APM-E Information Operations
APPLY
Science Applications International
San Diego, CA
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Acquisition Management Analyst-Key Personnel-Norfolk, VA
APPLY
Adams Communication Engineering Technology
Norfolk, VA
L6 Lead
September 16th, 2026
Project Management Specialists
National Security
Show all >
Cyber Mission Engagement Director Strategy & Impact
APPLY
Kratos Defense & Security Solutions
San Diego, CA
L7 Manager
September 23rd, 2026
Military Officer Special and Tactical Operations Leaders, All Other
National Security
Show all >
Foreign Military Sales (FMS) Senior Systems Engineer
APPLY
Synectic Solutions
North Charleston, SC
L5 Senior
September 16th, 2026
Project Management Specialists
National Security
Show all >
Data and Performance Analyst
APPLY
Act1 Federal
Denver, CO
L7 Manager
September 20th, 2026
Data Scientists
National Security
Show all >
Combat Engineer - 45 Certifications, Training Provided (62952)
APPLY
U.S. Army
Jonesboro, IL
L4 Mid
September 30th, 2026
Engineers, All Other
National Security
Show all >
Principal Systems Engineer
APPLY
Mcbride
Hanscom Afb, MA
L6 Lead
September 27th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Electromechanical Systems Engineer
APPLY
Radiance Technologies
Huntsville, TN
L5 Senior
September 29th, 2026
Electrical and Electronic Engineering Technologists and Technicians
National Security
Show all >
Senior Analyst, JADC2 & C5ISR Assessments (On-Site)
APPLY
Leidos
Suffolk, VA
L5 Senior
September 24th, 2026
Management Analysts
National Security
Show all >
Senior Systems Engineer, Aerial Targets & RCCA
APPLY
Amentum
Brooklyn, NY
L6 Lead
September 29th, 2026
Aerospace Engineers
National Security
Show all >
Lead Strategic Wargaming & Analysis
APPLY
Em Technologies
Henrico, VA
L6 Lead
September 9th, 2026
Management Analysts
National Security
Show all >
Senior FMS Financial Systems Analyst (Hybrid)
APPLY
International Executive Service Corps
Washington, DC
L5 Senior
September 24th, 2026
Financial Specialists, All Other
National Security
Show all >
DoD Engineering Program Lead - Cyber & Risk Management
APPLY
Jobtailor
Fort Belvoir, VA
L7 Manager
September 15th, 2026
Project Management Specialists
National Security
Show all >
Onsite Program Director: Design & Construction Lead
APPLY
Tetra Tech
Henderson, NV
L7 Manager
September 13th, 2026
Project Management Specialists
National Security
Show all >
Mechanical Engineering Co-Op - (January - May 2027)
APPLY
Progeny Systems
McLeansville, NC
L1 Intern
September 12th, 2026
Mechanical Engineers
National Security
Show all >
Financial Analyst (Mid-Level)
APPLY
Bristol Bay Native
Brooklyn, NY
L5 Senior
September 29th, 2026
Financial Specialists, All Other
National Security
Show all >
Financial Analyst - Mid with Security Clearance
APPLY
Galapagos Federal Systems
Honolulu, HI
L5 Senior
October 1st, 2026
Electrical Engineers
National Security
Show all >
MDA Principal Senior Performance Analysis Engineer - Ground-based Missile Defense
APPLY
Telnet Srl
Huntsville, AL
L6 Lead
September 26th, 2026
Aerospace Engineers
National Security
Show all >
Technical Operations SME
APPLY
Metreamanagementll
Myrtle Point, OR
L6 Lead
September 28th, 2026
Military Enlisted Tactical Operations and Air/Weapons Specialists and Crew Members, All Other
National Security
Show all >
Strategic Army Federal Programs Director - Project Delivery
APPLY
WSP in U.S.
New York, NY
L7 Manager
September 23rd, 2026
Project Management Specialists
National Security
Show all >
Lead Network Engineer
APPLY
MITRE
Omaha, NE
L6 Lead
September 4th, 2026
Computer Network Architects
National Security
Show all >
Senior Contractor Support to Analyze Emerging and Disruptive Technologies
APPLY
Deftec
Chesapeake, VA
L5 Senior
September 26th, 2026
Project Management Specialists
National Security
Show all >
MECHANICAL SHOP SPEC (SUBSAFE).
APPLY
Us Pacific Fleet
Hickam AFB, HI
L4 Mid
October 1st, 2026
Mechanical Engineers
National Security
Show all >
Technology Advantage & Capability Development Analyst
APPLY
Tekpillar
Norfolk, VA
L6 Lead
September 27th, 2026
Computer Systems Analysts
National Security
Show all >
Acquisition Strategy and Documentation Principal with Security Clearance
APPLY
Astrion
Montgomery, AL
L7 Manager
October 1st, 2026
Project Management Specialists
National Security
Show all >
F-15 EW Systems Engineer Mission Data & Testing
APPLY
DCS
Florida, NY
L4 Mid
September 9th, 2026
Aerospace Engineers
National Security
Show all >
Defense Systems Engineer - Design, Test & Integration
APPLY
Leonardo DRS
Beavercreek, OH
L6 Lead
October 2nd, 2026
Engineers, All Other
National Security
Show all >
1
59
60
61
100