• SIGINT Systems Administrator (Low Band…

    CACI International (Hampton, VA)
    …will be responsible for resolving IT hardware and software infrastructure (servers, network , security, etc.) issues using systems analysis techniques and ... will analyze, troubleshoot, and resolve issues with IT infrastructure including user systems , servers, storage, and network connectivity. You will also provide… more
    CACI International (07/12/25)
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  • Sr. Systems Administrator TS/SCI with Poly…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …Installing, configuring, and maintaining operating systems (Windows, Linux , macOS), software, hardware, and network infrastructure. * Security: ... digital security experience, SQL * Technical Proficiency: Strong knowledge of operating systems , networking concepts, virtualization technologies, and system… more
    CGI Technologies and Solutions, Inc. (08/01/25)
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  • Information Systems Security Engineer

    KBR (Arlington, VA)
    …at multiple classifications, including vulnerability analysis, SIEM operations, cyber network defense, cyber operations, malware analysis, information systems ... Title: Information Systems Security Engineer Belong. Connect. Grow. with KBR!...as well as internal business processes and mission functions, network communications, database management, security accreditation, and workflow management.… more
    KBR (06/14/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    …**Primary Responsibilities** + Create, maintain, and implement detailed documentation for standard systems operating procedures to be used across the enterprise. ... partners + TS/SCI w/CI Poly Preferred + Integration of Network Management (NM) and Element Management (EM) systems...as BMC Remedy. + ITIL v3 Foundation certified + Linux OS experience. + Solaris OS experience. + Experience… more
    Leidos (07/18/25)
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  • Systems Administrator - TS/SCI

    General Dynamics Information Technology (Fort Belvoir, VA)
    …the functionality and efficiency of a group of computers running on one or more operating systems . + Understand all the different systems that are monitored ... proper escalation and resolution by Tier 2/3. + Perform network management services to include: monitoring network ...Technical Skills: 1+ years of directly related experience in systems administration and analysis. + UNIX/ LINUX System… more
    General Dynamics Information Technology (07/16/25)
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  • SIGINT Systems Admin (High-Band Journeyman)

    CACI International (Hampton, VA)
    …will be responsible for resolving IT hardware and software infrastructure (servers, network , security, etc.) issues using systems analysis techniques and ... will analyze, troubleshoot, and resolve issues with IT infrastructure including user systems , servers, storage, and network connectivity. You will also provide… more
    CACI International (07/18/25)
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  • Senior Systems Engineer

    United States Senate Federal Credit Union (Alexandria, VA)
    …experience. Proficient with deploying and configuring Microsoft Server and Client operating systems , administration of Hybrid Exchange environment, deployment ... solves problems creatively while balancing risk. General Summary: The Senior Systems Engineer (SSE), under general supervision but in compliance with organization… more
    United States Senate Federal Credit Union (08/02/25)
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  • Sr. Penetration Tester

    CACI International (Chantilly, VA)
    …written and oral products + System level and security administration knowledge of computer operating systems . Operating system experience shall be with the ... to engage with your co-workers and expand your career network . We are a fun, engaging environment with a... Linux environment, low-level software development, Windows and Linux device drivers, operating system internals, and… more
    CACI International (06/21/25)
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  • Cyber Targeting Officer

    BAE Systems (Mclean, VA)
    … activity, or individuals. + Experience with internet applications and protocols, Windows and Linux operating systems , SQL, Hadoop, or other DBMS. An ... experience) in areas such as Cybersecurity, Computer Network Forensics, Network Administration, Computer Security, Information Systems , Computer Science or… more
    BAE Systems (06/28/25)
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  • Software Engineer, Systems

    Meta (Richmond, VA)
    Systems Responsibilities: 1. Research, design, develop, build and test operating systems -level software, compilers, and network distribution software ... solutions 22. 9. Data processing, programming languages, databases, networking, operating systems , computer graphics, or human-computer interaction 23.… more
    Meta (08/01/25)
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