• Expert CNO Software Engineer

    ManTech (Hanover, MD)
    **MANTECH** seeks a highly experienced and mission-focused ** Expert Software Engineer ** to join our CNO team in **Hanover, MD.** As an Expert Software ... the design, development, documentation, testing, and debugging of applications software and systems + Apply expert knowledge of security concepts and network… more
    ManTech (01/01/26)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …& Qualifications** **Required Qualifications** + **Security Clearance** + Must hold an active ** Top Secret clearance** with the ability to obtain **SCI** . + ... the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please note this job… more
    TekSynap (12/24/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …support of continuous process improvement. **REQUIRED QUALIFICATIONS** + Mandatory: Must hold an active TOP SECRET clearance with the ability to obtain an SCI + ... the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please note this job… more
    TekSynap (11/30/25)
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  • Expert Security Engineer

    Amentum (Springfield, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking an ** Expert Security Engineer ** to join our team of passionate individuals in **Springfield, ... security subject matter expert (SME) and will manage the execution of systems security activities for multiple applications. * Provide guidance to teams on the… more
    Amentum (11/14/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Washington, DC)
    …selected international or Guam location after the initial 24-month assignment. + Active DoD Top Secret clearance that is in-scope or currently enrolled in CE + ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...enrolled in CE, with the ability to obtain a Top - Secret /SCI clearance within a reasonable amount of… more
    Northrop Grumman (11/16/25)
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  • Lead Network Engineer

    Cayuse Holdings (Washington, DC)
    …in IT network engineering for a total of fifteen (15) years of experience. + Active Top Secret /SCI security clearance. + Must be able to pass a background check. ... Network Engineer will serve as the contractor's Subject Matter Expert (SME) in network engineering design, testing, deployment, and operational support. This… more
    Cayuse Holdings (12/20/25)
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  • Network Engineer

    Koniag Government Services (Washington, DC)
    **Koniag Management Solutions,** a Koniag Government Services company, is seeking a Network Engineer with a Top - Secret clearance with the ability to obtain a ... technical field + Minimum 10 years of related network engineering experience + Active Top - Secret clearance with ability to obtain SCIOR + 5 years of experience… more
    Koniag Government Services (12/30/25)
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  • Senior Principal Applications Delivery Network…

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Join GDIT as a Senior Principal Applications Delivery Network Engineer and build an impactful career in enterprise IT,...are preferred. REQUIRED . Clearance Level Must Currently Possess: Top Secret and SCI eligible . Location:… more
    General Dynamics Information Technology (11/01/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …cyber domains in the interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 32407 Job Location: Herndon, Virginia Job Schedule: ... technical business development skills winning DoD/Government programs or CRAD + Active Top Secret Security Clearance. Preferred Additional Skills: + Experience… more
    L3Harris (12/24/25)
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  • CSOC Tier 3 Engineer

    General Dynamics Information Technology (Springfield, VA)
    …RQ210255 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... experience **US Citizenship Required:** Yes **Job Description:** Candidate will provide Expert CSOC Tier 3 services, which is 24x7x365 coordination, execution, and… more
    General Dynamics Information Technology (11/13/25)
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