JOBSEARCHER
OCCUPATIONS
INDUSTRIES
LOCATIONS
COMPANIES
SENIORITY
EXPLORE
SIGN IN
KEYWORDS
LOCATIONS
EXACT
NEARBY
Advanced search
SEARCH
10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
10,000+
"linux engineer"
jobs
in
National Security
in last 30 days
Show all >
Save
Filter
<
Date
Last 30 days
Principal Systems Engineer - Sentinel AVE (Secret Clearance)
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Systems Engineer with SAP Clearance | Relocation Help
APPLY
Northrop Grumman
Palmdale, CA
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Mid-Level Systems Engineer - Tactical Communications
APPLY
Fuse Integration
San Diego, CA
L5 Senior
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior UC/Voice Engineer
APPLY
American Ops
Oklahoma City, OK
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Principal Systems Security Engineer (RMF/DoD)
APPLY
Raytheon
Woburn, MA
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior AI Engineer - Mission-Critical AI & MLOps (Remote)
APPLY
Koitecc Solutions
Alexandria, VA
Remote
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Principal Network Systems Engineer — Secret Clearance
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Test Engineer - DoD Systems & TEMPs
APPLY
Applied Research Solutions
Oklahoma City, OK
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Cyber Systems Engineer – TS Clearance
APPLY
JobLeads
Jessup, MD
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Staff Principal Systems Engineer 5
APPLY
Northrop Grumman
Hyattsville, MD
L6 Lead
September 5th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clear
APPLY
Prattwhitney
Northborough, MA
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Embedded Security Engineer - DoD Secret Clearance
APPLY
Raytheon
Goleta, CA
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Lead DO-229 I&T Systems Engineer
APPLY
Northrop Grumman
Los Angeles, CA
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Test Engineer DoD Network & T&E Lead
APPLY
Applied Research Solutions
Bedford, MA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Principal Cyber Systems Engineer | TS Top Secret
APPLY
Northrop Grumman
Colorado Springs, CO
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Principal Systems Engineer - DoD Secret Clearance
APPLY
Northrop Grumman
Orlando, FL
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Security Engineer — Basic (TS/SCI Clearance)
APPLY
System High
Colorado Springs, CO
L3 Junior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Cisco Voice Engineer - Secure UC Architect
APPLY
Vtg Defense
Virginia, MN
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Principal Systems Security Engineer – Anti-Tamper (Onsite)
APPLY
Raytheon
Northborough, MA
L4 Mid
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Mission Hardware Engineer TS/SCI w/CI Poly
APPLY
D2 Consulting
Aurora, CO
L4 Mid
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Mid-Level Test Engineer/Analyst
APPLY
Integration Innovation
Huntsville, AL
L5 Senior
September 17th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Staff Applied ML Engineer for National Security (Remote)
APPLY
Red Cell Partners
Washington, DC
Remote
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Engineer - Defense, TS/SCI, MBSE Lead
APPLY
ADP
Lincoln, MA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Storage Engineer — TS/SCI Clearance
APPLY
General Dynamics Information Technology
Herndon, VA
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Engineer, Radar & Missile Defense
APPLY
Davidson Technologies
Colorado Springs, CO
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Principal Systems Engineer — DoD SAP Clearance
APPLY
Northrop Grumman
Oklahoma City, OK
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Engineer - Secret Clearance, Sentinel ICBM
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Sentinel Principal Systems Engineer (Secret)
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Test Engineer DoD System Integration Lead
APPLY
Auria
Chicago, IL
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
1611 - Senior System Specialist
APPLY
Sigma Defense Systems
New Castle, DE
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Engineer - LVC/C2 Modernization, Secret Clearance
APPLY
General Dynamics Information Technology
Tacoma, WA
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior Systems Integrator, Secret Clearance, 9/80 Schedule
APPLY
Northrop Grumman
Clearfield, UT
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Principal Systems Engineer, GN&C — Secret Clearance
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Principal Field Engineer / Sr. Principal Field Engineer (AHT)
APPLY
Northrop Grumman Au
Colorado Springs, CO
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Senior ArcGIS Enterprise Engineer
APPLY
Esri
Redlands, CA
L5 Senior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Lead System Integration & Test Engineer
APPLY
L3Harris Technologies
Fort Wayne, IN
L6 Lead
October 3rd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Systems Engineer / Principal Systems Engineer
APPLY
Northrop Grumman Jp
Groton, CT
L6 Lead
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Mission-Critical Tactical Hardware Engineer — Flexible 4x10
APPLY
Lockheed Martin
Moorestown, NJ
L4 Mid
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Sentinel - Systems Engineer/Principal Systems Engineer (19926)
APPLY
Northrop Grumman
Roy, UT
L6 Lead
October 2nd, 2026
Computer Systems Engineers/Architects
National Security
Show all >
Security Engineer (Basic) — Missile Defense
APPLY
System High
Fort Belvoir, VA
L3 Junior
October 4th, 2026
Computer Systems Engineers/Architects
National Security
Show all >
1
31
32
33
100