• Lab Manager II

    ARSIEM (Arlington, VA)
    …looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... patching, and troubleshooting services. + Providing full coverage for Linux or Unix system administration functions to...+ 2+ years of directly relevant experience as a Linux System Administrator . + 2+ years of… more
    ARSIEM (11/12/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …of our Government clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) ... Perform large-scale configuration management and deployment across Windows, macOS, Linux / Unix , and other operating systems and virtual...+ 5+ years of directly relevant experience as a Linux System Administrator . + 3+ years of… more
    ARSIEM (11/12/25)
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  • Splunk Admin (Lab Manger)

    Nightwing (Arlington, VA)
    …business continuity of the customer mission. **Responsibilities** : - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) ... large scale configuration management and deployment across Windows, MacOS, Linux / Unix , and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of… more
    Nightwing (10/23/25)
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  • Lab Manager /System Administration

    Node.Digital (Arlington, VA)
    …and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) ... large scale configuration management and deployment across Windows, MacOS, Linux / Unix , and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of… more
    Node.Digital (10/21/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …+ Perform large-scale configuration management and deployment across Windows, macOS, Linux / Unix , and other operating systems and virtual environments to ... + 5+ years of directly relevant experience as a Linux System Administrator . + 2+ years of...optimization. + Experience with multiple operating systems to include Linux / Unix , Windows, and macOS. + Desired Certifications:… more
    ARSIEM (12/23/25)
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  • Security Software Engineer - Red Team Penetra

    Imagine One Technology & Management (Dahlgren, VA)
    …mitigate known vulnerabilities. + Operate and administrate computer systems running HP-UX, UNIX , Solaris, Linux and Microsoft Windows. + Identify security flaws ... and reverse engineer software. + Analyze Windows Events and Linux syslog's, boot logs and dmesg logs. + Program...and code design. + Contribute to a System Security Administrator and Operators Manual (SSAOM). Desired Experience: + Five… more
    Imagine One Technology & Management (12/24/25)
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  • Endpoint Security Lead - CrowdStrike

    AIG (Reston, VA)
    …. + Intermediate to Expert level knowledge on Windows & Active Directory, Unix / Linux Operating Systems. + Good scripting knowledge using PowerShell, Python, ... Ownership & Administration + + Serve as the primary administrator and SME for the CrowdStrike Falcon platform. +...Linux shell is desired. + Basic knowledge of Cloud… more
    AIG (12/07/25)
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  • Site Reliability Engineer

    Nightwing (Sterling, VA)
    …Go, Java, or JavaScript) is essential for automating tasks and developing tools. + Linux / Unix Systems Administration: Strong knowledge of Linux / Unix ... Engineering (SRE) Foundation Certification (CSREF). + AWS Certified SysOps Administrator - Associate. + Google Cloud Certified Professional Cloud Architect.… more
    Nightwing (12/26/25)
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  • Splunk Engineer

    CACI International (Mclean, VA)
    …infrastructure for integration, cyber compliance, and network administration * Support both UNIX / Linux and Windows-based systems * Collaborate with IT teams to ... Enterprise, Splunk IT Service Intelligence, Splunk Log Management * Knowledge of Linux security best practices * Knowledge of cybersecurity compliance including RMF… more
    CACI International (01/01/26)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …+ Operating System/Computing Environment certificate for Windows Server 2012 or newer UNIX ( Linux (Red Hat), Solaris). + Experience with vulnerability scanners. ... enterprise. Candidates must possess thorough understanding of Windows & Linux operating systems, cloud technology, contemporary networking, and cybersecurity tools,… more
    Tau Six (10/22/25)
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