• Technical Engagement Network (TEN) Lab…

    BCMC (Arlington, VA)
    …Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity ... requirements. - Perform large scale configuration management and deployment across Windows , MacOS, Linux/Unix, and other operating systems and virtual environments… more
    BCMC (11/21/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity ... and policies. + Maintaining configuration and support documentation + Employ security concepts, theories, insights, tools, and methodologies to mitigate system… more
    ARSIEM (11/12/25)
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  • System Admin Engineer

    RGP (Glen Allen, VA)
    …(including Government), container orchestration (Kubernetes/OpenShift). + Certifications: Security +, AWS/Azure Administrator /Architect, CKA/CKAD, ITIL ... The System Administrator Engineer is a hands-on platform operations and...operations and systems engineering role responsible for the reliability, security , performance, and lifecycle management of environments supporting VA… more
    RGP (01/01/26)
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  • Technical Lead - Poly Clearance Required

    General Dynamics Information Technology (Chantilly, VA)
    …existing and future system leveraging your knowledge of Linux and Windows system administration, virtualization with VMWare and Citrix, Storage appliances, ... maintaining CPU and GPU based systems Experience with system administration (Linux/ Windows ), network engineering, storage and virtualization, with deep experience in… more
    General Dynamics Information Technology (12/29/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …Wireshark, Putty, CLI, etc) + ITIL 4 Foundation + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure Database ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (10/10/25)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security , troubleshooting, management). + ... us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position...experience is a plus) + Proficient in Linux and Windows system administration + Active CompTIA Security +… more
    Infinity Systems Engineering (01/03/26)
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  • DevSecOps Engineer

    KBR (Chantilly, VA)
    …center operations, and security protocols. + Strong knowledge of Linux and Windows OS + Familiar with AWS and other cloud services + Experience with programming ... + Relevant certifications (eg, AWS Certified DevOps Engineer, Certified Kubernetes Administrator ). + Knowledge of compliance frameworks and security standards.… more
    KBR (12/09/25)
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  • Linux System Adminstrator - US Citizenship…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …with automated CI/CD pipelines. * Troubleshooting Skills: Strong ability to troubleshoot Windows and Linux operating systems. * Security and Compliance: ... **Linux System Adminstrator - US Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Alternate Location(s):**… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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  • Exchange Engineer (Network Communications 4 )

    HII (Virginia Beach, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $94,795.00 - $150,000.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and… more
    HII (01/04/26)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …Deliver Linux (RHEL, Ubuntu, Debian) administration experience, including package management, security hardening, kickstart, and virtualization + Deliver Windows ... integrated development platform that abstracts the complexity of infrastructure, security , and core/microservices to allow tenant developers to deliver software… more
    Nightwing (12/26/25)
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