• Senior Linux/Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux/Unix Systems Administrator (4419)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability management… more
    SMX (09/03/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy ... System Administrator Oakton, VA . Information Technology Join our Talent Network Are you ready to enhance your skills and build your career in a rapidly evolving… more
    Chenega Corporation (08/13/25)
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  • Unix/Linux Administrator

    Leader Communications Inc. (Portsmouth, VA)
    Position Summary The Unix/Linux Administrator will play a key role in administering and securing enterprise Unix/Linux systems , ensuring compliance with DoD ... a high-tempo environment. Duties & Responsibilities + Administer and maintain Unix/Linux systems (Red Hat, CentOS, SUSE, Ubuntu, Solaris, AIX). + Perform system… more
    Leader Communications Inc. (09/23/25)
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  • Maximo Administrator - Staff

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, ... TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program… more
    Amentum (09/17/25)
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  • Senior Linux System Administrator

    Leidos (Alexandria, VA)
    …lieu of a degree. + 8+ years of experience providing System Administration to DoD IT systems + IAT Level I: A+, CCNA-Security, Network +, SSCP, Security+ CE + US ... Leidos is looking to add a **Senior Linux System Administrator ** . Our mission is to develop tools for...experience providing Red Hat System Administration to DoD IT systems + IAT Level III : CASP CE,… more
    Leidos (09/26/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    …and review environment scan results from ACA]. + Remediate CAT I/ CAT II/ CAT III findings associated with scans of network devices. + Coordinate with ISSO/ISSM ... SIPRNet Administrator Job Category: Information Technology Time Type: Full...networks. + Active Secret clearance. + Strong understanding of network devices and operating systems . + Proficiency… more
    CACI International (08/08/25)
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  • System Administrator

    Rite-Solutions Inc. (Dahlgren, VA)
    …| Virginia | Full Time Rite-Solutions, Inc. has a full-time opportunity for a Systems Administrator , on-site in Dahlgren, VA. You will provide daily support for ... that supports a cyber warfare enclave. The Program The Systems Administrator will be part of a...with SCI eligibility + 2-5 years of experience in systems administration or Cloud/ Network engineering. + Must… more
    Rite-Solutions Inc. (08/26/25)
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  • Web Administrator

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Midlevel Web Administrator ** to join our team in the **DC, Maryland, and Virginia (DMV) area** . In ... + Collaborates with customers and stakeholders to identify requirements, design systems software, develop updates to existing applications, and build in cyber… more
    ManTech (08/29/25)
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  • Junior System Administrator

    Tyto Athene (Fort Belvoir, VA)
    **Description** Tyto Athene is searching for a **Junior System Administrator ** to work as part of an integrated team including cybersecurity specialists, network ... ICAM concepts, and Virtual Machine deployments. **Responsibilities:** + Collaborate with network and system administrators on all projects, including current and new… more
    Tyto Athene (09/13/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …Engagement Network (TEN) Lab Manager with experience as a Linux Systems Administrator to support the design, development, and deployment of advanced ... management and deployment across Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure. + Supporting… more
    ARSIEM (08/28/25)
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