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10,000+
"api integration engineer"
jobs
in
National Security
in last 30 days
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10,000+
"api integration engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
Filter
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Date
Last 30 days
Mission Engineering Analyst — Multi-Domain Simulation Leader
APPLY
Leidos
Oak Ridge, TN
L6 Lead
October 4th, 2026
Aerospace Engineers
National Security
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Senior Mission Systems Engineer - Defense Simulation
APPLY
Leidos
Arlington, VA
L6 Lead
October 4th, 2026
Aerospace Engineers
National Security
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Sustainment Mechanical Engineer
APPLY
SAIC
Crane, IN
L6 Lead
October 4th, 2026
Mechanical Engineers
National Security
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Defense Modeling & Simulation Engineer — Remote
APPLY
Lehigh Heavy Forge
Bath, OH
Remote
L6 Lead
October 4th, 2026
Aerospace Engineers
National Security
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Electronic Warfare Systems Engineer
APPLY
SAIC
Crane, IN
L5 Senior
October 4th, 2026
Engineers, All Other
National Security
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Systems Engineer II: Data Analytics & Modeling
APPLY
Black Eagle Defense
Fort Meade, MD
L5 Senior
October 4th, 2026
Computer Systems Analysts
National Security
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Associate Systems Engineer - Defense Tech, 9/80 Schedule
APPLY
L3Harris Technologies
Carlsbad, CA
L6 Lead
October 4th, 2026
Computer Systems Analysts
National Security
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Senior Reliability Engineer
APPLY
Antech Systems
Suffolk, VA
L6 Lead
October 4th, 2026
Engineers, All Other
National Security
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Quality Assurance Support (Special Programs Group/Test Site)
APPLY
Orbis
Bryn Mawr, PA
L3 Junior
October 4th, 2026
Quality Control Analysts
National Security
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Systems Engineer (Washington Navy Yard)
APPLY
Systems Planning Analysis
Ashton, MD
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
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Staff Systems Engineer: Army NG-C2 Integration Lead
APPLY
JobLeads
Washington, DC
L6 Lead
October 5th, 2026
Computer Systems Engineers/Architects
National Security
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FMS SI&T Engineering Management Senior Analyst
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Precise Systems Md
Washington, DC
L6 Lead
October 5th, 2026
Project Management Specialists
National Security
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Modeling & Simulation Integrator / Operator (Engineer Sys Mod Sim 3-5) - 28589
APPLY
Lehigh Heavy Forge
Colorado Springs, CO
L5 Senior
October 4th, 2026
Aerospace Engineers
National Security
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System Safety Engineer
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Information Technology Engineering
New York, NY
L6 Lead
September 10th, 2026
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors
National Security
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System Safety Engineer (U.S. Citizenship required)
APPLY
Trispoke Managed Services
Tucson, AZ
L6 Lead
September 10th, 2026
Computer Systems Engineers/Architects
National Security
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SSDS Operations Specialist (Job ID: 4228)
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Valkyrie Enterprises
Virginia Beach, VA
L5 Senior
September 11th, 2026
Electronics Engineers, Except Computer
National Security
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Facility Planner Jobs
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Clearance
Parsons, KS
L5 Senior
September 11th, 2026
Project Management Specialists
National Security
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Electrical Engineer
APPLY
MITRE
Hanscom Afb, MA
L5 Senior
September 11th, 2026
Electrical Engineers
National Security
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INTERDISCIPLINARY-ELECTRONICS ENGINEER/ELECTRICAL ENGINEER/ COMPUTER ENGINEER/COMPUTER SCIENTIST
APPLY
U.S. Department of War
Dayton, OH
L6 Lead
September 11th, 2026
Engineers, All Other
National Security
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CONTRACT SPECIALIST
APPLY
U.S. Government
Pearl City, HI
L5 Senior
September 11th, 2026
Project Management Specialists
National Security
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Associate Director, Systems Engineering Chief Engineer (Onsite) Jobs
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Clearance
Tucson, AZ
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
National Security
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Principal Systems Engineer - Requirements & Verification Jobs
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Clearance
El Segundo, CA
L6 Lead
September 11th, 2026
Engineers, All Other
National Security
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Systems Engineer - Data Requirement Focus Jobs
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Clearance
Derwood, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Aegis Combat Systems Data Collection Specialist
APPLY
Hepburn
Dahlgren, VA
L5 Senior
September 11th, 2026
Command and Control Center Specialists
National Security
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Mid-Level Systems Engineer
APPLY
Mag Aerospace
Wilton, CA
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Technical Writer
APPLY
American Systems
Clovis, NM
L5 Senior
September 11th, 2026
Technical Writers
National Security
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Mid-Career Mechanical Systems Engineer (Multiple Openings)
APPLY
Beyond New Horizons
Tennessee Ridge, TN
L5 Senior
September 11th, 2026
Mechanical Engineers
National Security
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Sentinel Principal / Sr Principal Engineer Industrial 17263 Secr
APPLY
Clearance
Roy, UT
L6 Lead
September 11th, 2026
Industrial Engineers
National Security
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Project Engineer
APPLY
Systems Technology Forum Ltfd
Kailua Kona, HI
L5 Senior
September 11th, 2026
Project Management Specialists
National Security
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Systems Engineer and Mission Analyst Jobs
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Clearance
Laurel, MD
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Technical Manager EW Programs
APPLY
Progeny Systems Acquired By General Dynamics
Manassas, VA
L7 Manager
September 11th, 2026
Architectural and Engineering Managers
National Security
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Technical Planner/Coordinator
APPLY
Serco North America
Suffolk, VA
L5 Senior
September 11th, 2026
Project Management Specialists
National Security
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Retiring and Separating Military Jobs
APPLY
Clearance
Middletown, RI
L5 Senior
September 11th, 2026
Electronics Engineers, Except Computer
National Security
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DISTINGUISHED ENGINEER - CHIEF TECHNOLOGY OFFICER
APPLY
U.S. Government
Coatesville, PA
L8 Director
September 11th, 2026
Architectural and Engineering Managers
National Security
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Technical Writer/Editor
APPLY
Science Applications International
Panama City Beach, FL
L5 Senior
September 11th, 2026
Technical Writers
National Security
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Senior Mechanical Engineer - Defense Industry
APPLY
PeopleShare
Mt Laurel, NJ
L6 Lead
September 11th, 2026
Mechanical Engineers
National Security
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Junior Systems Engineer
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Progeny Systems Acquired By General Dynamics
Middletown, RI
L6 Lead
September 11th, 2026
Computer Systems Engineers/Architects
National Security
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Senior Systems Engineer (Anti-Tamper)
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Serco North America
Dayton, OH
L6 Lead
September 11th, 2026
Engineers, All Other
National Security
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Test Engineer – Military Vehicle / Environmental Testing
APPLY
Moseley Technical Services
Sterling Heights, MI
L6 Lead
September 11th, 2026
Validation Engineers
National Security
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SSDS Operations Specialist Jobs
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Clearance
Virginia Beach, VA
L5 Senior
September 11th, 2026
Electronics Engineers, Except Computer
National Security
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