• SIGINT Systems Administrator (Low Band…

    CACI International (Hampton, VA)
    …be responsible for resolving IT hardware and software infrastructure (servers, network, security , etc.) issues using systems analysis techniques and procedures ... SIGINT Systems Administrator (Low Band Journeyman) Job Category: Information...administration for assigned infrastructure and establish and maintain system security . You will also apply security patches… more
    CACI International (12/15/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    …across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) support in a large ... utilizing Microsoft's Endpoint Configuration Manager (MECM), previously known as System Center Configuration Manager (SCCM). This individual will work in a team… more
    Leidos (12/08/25)
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  • Junior Systems Architect

    General Dynamics Information Technology (Falls Church, VA)
    …Operations **Skills:** Communication,Enterprise Architecture,Enterprise IT Architecture,Network Architecture, Systems Design **Certifications:** CompTIA Security + ... oversees the development, operation, and modernization of enterprise-level IT systems , including networking, infrastructure, applications, and program management services.… more
    General Dynamics Information Technology (01/07/26)
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  • Windows Systems Administrator

    ManTech (Chantilly, VA)
    …sustain and improve the organization's Windows infrastructure as part of a collaborative systems team. Your focus will span operations, security , and integration ... This dynamic role is embedded in an innovative Big Data ecosystem where collaboration and growth are encouraged. **Responsibilities...test, install, integrate, and maintain new or updated operating systems + Apply security and firmware patches… more
    ManTech (12/03/25)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …architecture, deployment, and the use of integrated management tools for efficient data center operations + Solid understanding of networking principles, ... Amentum is seeking a Windows Systems Administrator to support our federal program in...is a DoD provided, TS//SCI, integrated voice, video, and data , global communications network that facilitates collaboration among senior… more
    Amentum (01/09/26)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... None * * * **The Opportunity:** **CACI is seeking a talented Cyber Network Security Engineer to join our team in Chantilly, VA. This role will** **support our… more
    CACI International (12/02/25)
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  • Systems Integrator

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our ... been providing some of the world's most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the… more
    Nightwing (01/08/26)
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  • Network Security Engineer Lead

    Chenega Corporation (Fort Belvoir, VA)
    …IAW DoD 8570.01-M and BBP 05-PR-M-0002. + CCNP Certification (Enterprise, Service Provider, Data Center , Security , or Collaboration) or higher required. + ... Network Security Engineer Lead Ft. Belvoir, VA Join our...Area Network (ICAN). + Install new modified hardware, operating systems , and software applications ensuring integration with Information Assurance… more
    Chenega Corporation (12/01/25)
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  • Security Incident Analyst (SiA) - TS/SCI…

    General Dynamics Information Technology (Reston, VA)
    …information technology (IT) assets and DIA personnel to the DIA Computer Network Defense Center (DCNDC) and Information Systems Security Managers (ISSM) for ... Incident Analyst (SIA) is responsible for the mitigation of security incidents on DIA information systems . The...MAKE AN IMPACT + Manage network computer and system security incidents relating to data spills, misclassifications,… more
    General Dynamics Information Technology (11/18/25)
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  • F5 Systems Engineer - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …broad range of technology towers ie: Storage, Virtualization, Intel, Networking, Data Center Migration and Disaster Recovery** **Experience deploying, managing, ... None **Job Family:** IT Infrastructure and Operations **Skills:** Complex Systems ,Information Technology (IT), Systems Design **Experience:** 8 + years… more
    General Dynamics Information Technology (12/15/25)
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