• NMCC Information Systems Security Engineer

    TekSynap (Arlington, VA)
    …. + Develop and implement security designs for new and existing network systems , ensuring hardware, operating systems , and software applications adequately ... and associated infrastructure components. + Deep understanding of Windows and Linux operating systems , networking protocols, and security best practices. +… more
    TekSynap (06/18/25)
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  • Information Systems Security Engineer…

    KaylaTek, Inc. (Arlington, VA)
    …security tool management, and system hardening. A deep understanding of operating systems , security tools, and server infrastructure is essential. ... and implement security designs for new and existing network systems , ensuring hardware, operating systems ,...new and existing network systems , ensuring hardware, operating systems , and software applications adequately address… more
    KaylaTek, Inc. (06/05/25)
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  • ISSO/ Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    operating system hardening techniques. + Knowledge of system administration concepts for operating systems such as but not limited to Unix/Linux, IOS, ... Android, and Windows operating systems . Preferred: + Knowledge of cyber threats and vulnerabilities. + Knowledge of specific operational impacts of cybersecurity… more
    UIC Government Services and the Bowhead Family of Companies (05/31/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Mclean, VA)
    …a multi-system and multi-application environment with multiple specialties such as operating systems , e-mail, database platforms, storage technologies, and ... working with network requirements to anticipate impact on respective operating systems + Demonstrated experience understanding organizational standards… more
    General Dynamics Information Technology (07/05/25)
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  • Windows Systems Administrator - Top Secret

    Northrop Grumman (Dulles, VA)
    …to isolate issues between software, firmware, and hardware, between software and operating systems , between networks and applications, and between one-time ... primary Operating System (Windows, Linux, Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG,… more
    Northrop Grumman (07/18/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    … + Your support will include installation, upgrades, and maintenance for operating systems and applications; providing supporting data and documentation for ... + Device management software in a mixed environment of MacOS and Windows operating systems . + Create and administer Apple operating system installation and… more
    Leidos (07/12/25)
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  • DAI Systems Engineer, Oracle

    CGI Technologies and Solutions, Inc. (Fort Belvoir, VA)
    …continuous innovation within the infrastructure. This position ensures that system hardware, operating systems , software systems , and related procedures ... to enable continuing innovation within the infrastructure. Ensure that system hardware, operating systems , software systems , and related procedures adhere… more
    CGI Technologies and Solutions, Inc. (07/12/25)
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  • Windows Systems Engineer

    SAIC (Quantico, VA)
    …to provide design solutions and integration support to Windows-based and VMware operating systems .** **Introduction:** Make a difference for national security by ... systems software and related infrastructure. This individual ensures that system operating systems , and related procedures adhere to organizational policies… more
    SAIC (07/11/25)
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  • Systems Development Engineer II, AWS ADC…

    Amazon (Herndon, VA)
    …our customers' mission. You should also have a solid foundation in multiple operating systems , networking and general knowledge of cloud services. You will ... experience - Knowledge of systems engineering fundamentals (networking, storage, operating systems ) - Experience programming with at least one modern… more
    Amazon (06/28/25)
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  • Senior Systems Administrator - TS/SCI…

    Leidos (Fort Belvoir, VA)
    …environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems , networks, and network file systems to ... **Key Responsibilities:** + Acquire, configure, and maintain computer servers, operating systems , networks, and network file systems in lab-based… more
    Leidos (06/11/25)
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