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
8,845
"validation engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
Filter
<
Date
Last 30 days
Lead Systems Engineer DoD MBSE & Proposals
APPLY
Lockheed Martin
Grand Prairie, TX
L6 Lead
September 2nd, 2026
Project Management Specialists
Engineering Services
Show all >
Lead Mechanical Engineer, DoD Systems (Secret Clearance)
APPLY
W R Systems
Brooklyn, NY
L6 Lead
September 2nd, 2026
Mechanical Engineers
Engineering Services
Show all >
RF Systems Engineer II Python, EMI, TS/SCI
APPLY
Captivation Software
Hyattsville, MD
L5 Senior
September 2nd, 2026
Electronics Engineers, Except Computer
Engineering Services
Show all >
SUPERVISORY INTERDISCIPLINARY ENGINEER ARCHITECT (GENERAL ENGINEER/ ARCHITECT)
APPLY
Navair
Patuxent River, MD
L6 Lead
September 2nd, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Senior Electrical Engineer (WCCA/Radiation Testing/EPSA)
APPLY
Chipton-Ross
King of Prussia, PA
L5 Senior
September 2nd, 2026
Electrical Engineers
Engineering Services
Show all >
Senior Staff Engineer - Propulsion (Casual)
APPLY
Bnh
Arnold AFB, TN
L5 Senior
September 2nd, 2026
Engineers, All Other
Engineering Services
Show all >
Interdisciplinary Jobs
APPLY
ClearanceJobs
Frederick, MD
L5 Senior
September 2nd, 2026
Engineers, All Other
Engineering Services
Show all >
Maritime Systems Engineer (Top Secret Clearance with SCI Require with Security Clearance
APPLY
St Michaels
Tampa, FL
L6 Lead
September 2nd, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
Senior Project Engineering Manager - Orlando FL
APPLY
VetJobs
Orlando, FL
L7 Manager
September 2nd, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Engineering Lead - Criticality, Trust and Assurance
APPLY
BAE Systems
Derwood, MD
L6 Lead
September 2nd, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Chief Technologist, Directed Energy Systems Architect
APPLY
KBR
Huntsville, AL
L7 Manager
September 2nd, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
INTERDISCIPLINARY SUPERVISORY GENERAL ENGINEER/ COMPUTER SCIENTIST
APPLY
Naval Air Warfare Center Training Systems Division Nawctsd
St Inigoes, MD
L6 Lead
September 2nd, 2026
Telecommunications Engineering Specialists
Engineering Services
Show all >
Nuclear Enterprise Mission Division Chief Engineer
APPLY
MITRE
New Bedford, MA
L7 Manager
September 9th, 2026
Nuclear Engineers
Engineering Services
Show all >
Engineering Technician I with Security Clearance
APPLY
Prescient Edge
Patuxent River, MD
L3 Junior
September 11th, 2026
Engineering Technologists and Technicians, Except Drafters, All Other
Engineering Services
Show all >
Journeyman Engineer with Security Clearance
APPLY
Prescient Edge
Patuxent River, MD
L5 Senior
September 11th, 2026
Engineers, All Other
Engineering Services
Show all >
Mid-Level or Senior Ship Integration & Test (SI&T) Engineer Jobs
APPLY
ClearanceJobs
Andrews Air Force Base, MD
L6 Lead
September 11th, 2026
Marine Engineers and Naval Architects
Engineering Services
Show all >
GMD Ground Systems Principal Systems Engineer
APPLY
Valkyrie Enterprises
Huntsville, AL
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
Principal Systems Engineer Jobs
APPLY
ClearanceJobs
Hill Air Force Base, UT
L6 Lead
September 11th, 2026
Engineers, All Other
Engineering Services
Show all >
Section Leader - Mgr, Mech Eng
APPLY
Prattwhitney
Tewksbury, MA
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Senior Mechanical Engineering Technician with Security Clearance
APPLY
Prescient Edge
Chevy Chase, MD
L5 Senior
September 11th, 2026
Mechanical Engineering Technologists and Technicians
Engineering Services
Show all >
Mechanical Technician 3
APPLY
First Tek
Redondo Beach, CA
L5 Senior
September 11th, 2026
Mechanical Engineering Technologists and Technicians
Engineering Services
Show all >
Lead Optical Engineer - Stray Light & EO/IR Space Payloads - Active Secret | Top Secret/SCI Clearance
APPLY
MDA Edge
West Chester, PA
L5 Senior
September 12th, 2026
Architectural and Civil Drafters
Engineering Services
Show all >
JUNIOR ELECTRICAL ENGINEER-SW Jobs
APPLY
Clearance
Keyport, WA
L2 Entry
September 12th, 2026
Ship Engineers
Engineering Services
Show all >
Senior Systems Engineer - MBSE Lead for DoD Projects
APPLY
Bechtel
Spencerport, NY
L5 Senior
September 12th, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Early Career Electrical Systems and Controls Engineer - Hypersonics
APPLY
Bnh
Memphis, TN
L5 Senior
September 3rd, 2026
Electrical Engineers
Engineering Services
Show all >
Modeling & Simulation Systems Engineer Jobs
APPLY
Clearance
Colorado Springs, CO
L6 Lead
September 11th, 2026
Aerospace Engineers
Engineering Services
Show all >
Senior Principal System Safety Engineer Jobs
APPLY
Clearance
Tewksbury, MA
L6 Lead
September 11th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
Engineering Services
Show all >
Journeyman MBSE Systems Engineer - PMA 265 Jobs
APPLY
Clearance
Lexington Park, MD
L5 Senior
September 11th, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
Staff Electrical Engineer - 17612
APPLY
Northrop Grumman
Manhattan Beach, CA
L6 Lead
September 11th, 2026
Electrical Engineers
Engineering Services
Show all >
MBSE engineer
APPLY
Intime Infotech
Shreveport, LA
L6 Lead
September 12th, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
Test Operations Support Analyst
APPLY
Serco
Oxford, PA
L6 Lead
September 12th, 2026
Business Operations Specialists, All Other
Engineering Services
Show all >
CAD Designer
APPLY
Staffing Resource Group
Denver, CO
L5 Senior
September 19th, 2026
Mechanical Drafters
Engineering Services
Show all >
Staff Project Engineer-Aerospace
APPLY
Elbitamerica
Fort Worth, TX
L6 Lead
September 12th, 2026
Engineers, All Other
Engineering Services
Show all >
Computer-Aided Design (CAD) Engineer
APPLY
General Dynamics Information Technology
Sterling, VA
L6 Lead
September 16th, 2026
Engineers, All Other
Engineering Services
Show all >
TACOM (RRAD): General Engineer (Contingency)
APPLY
KBR
Wausau, WI
L6 Lead
September 21st, 2026
Engineers, All Other
Engineering Services
Show all >
TACOM (ANAD) Engineering Tech V (Contingency)
APPLY
KBR
Anniston, AL
L6 Lead
September 21st, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Structural Engineer
APPLY
Parsons
Perdue Hill, AL
L6 Lead
September 21st, 2026
Architectural and Engineering Managers
Engineering Services
Show all >
Senior Mechanical Engineer – 3D Facility Characterization
APPLY
Red Gate
Albuquerque, NM
L7 Manager
September 15th, 2026
Mechanical Engineers
Engineering Services
Show all >
Test Engineer- Health and Safety
APPLY
Red Gate
Albuquerque, NM
L6 Lead
September 15th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
Engineering Services
Show all >
Sr Principal Systems Engineer – IO
APPLY
Science Applications International
San Diego, CA
L6 Lead
September 3rd, 2026
Computer Systems Engineers/Architects
Engineering Services
Show all >
1
86
87
88
100