• System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now JOB DESCRIPTIONThe Sponsor requires the support of full-time Linux ... and effectively communicate issues and resolutions to all levels within the organization. System Administrator - The Contractor shall support a second shift… more
    The Metamorphosis Group (06/11/25)
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  • Senior Systems Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support… more
    GovCIO (07/09/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially...vendor updates are received **You'll Bring These Qualifications** + Top Secret /SCI clearance (current), with the ability… more
    CACI International (05/13/25)
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  • System Administrator - Red Hat…

    DarkStar Intelligence LLC (Annapolis Junction, MD)
    System Administrator - Red Hat Enterprise Linux (SAL) Level 2 Position Summary DarkStar Intelligence seeks a highly skilled System Administrator - ... agency management and internal customers. Minimum Qualifications + Current Top Secret /SCI with Polygraph + US Citizen...related field. + One year demonstrated Red Hat Enterprise Linux system administration experience within the last… more
    DarkStar Intelligence LLC (05/23/25)
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  • System Administrator - Red Hat…

    DarkStar Intelligence LLC (Annapolis Junction, MD)
    System Administrator - Red Hat Enterprise Linux (SAL) Level 4 Position Summary DarkStar Intelligence seeks a highly skilled System Administrator - ... . + Install and configure Linux -based operating systems and their services according to system ...agency management and internal customers. Minimum Qualifications + Current Top Secret /SCI with Polygraph + US Citizen… more
    DarkStar Intelligence LLC (05/23/25)
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  • Linux System Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The...VMware ESXi + Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS + TS /SCI ... environment that supports critical cybersecurity mission customers. As a Linux system administrator on our...or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience… more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd **Original… more
    Leidos (05/29/25)
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  • Linux Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Bethesda, MD)
    Linux Systems Administrator The...Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our ... wait. You Have: + 5+ years of experience with systems administration + 3+ years of experience with RedHat...Linux firewalls, networking configuration, and DNS + Active TS /SCI clearance; willingness to take a polygraph exam +… more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The ... Senior Linux System Administrator is responsible...standards. + Install, configure, and maintain software and operating systems . + Implement operating system enhancements for… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Linux System Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, ... TS /SCI w/poly. What you will do Manage IT system infrastructure and any processes related to these ...degree and ten (10) years of experience as a system administrator on programs of similar scope… more
    BigBear.ai (04/22/25)
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  • Senior Linux System

    ManTech (Fort Meade, MD)
    ManTech is seeking a **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will support the implementation, ... Configure and manage Linux and Windows operating systems ; install and maintain OS software; implement system...related experience. + Experience with Linux operating systems . **Security Clearance Requirements:** + Active TS /SCI… more
    ManTech (07/15/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator ** to join our team located in the Fort Meade, MD ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (06/06/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    **ManTech** seeks a motivated, career and customer-oriented ** Linux System Administrator ** to join our team in the **Laurel, Maryland** location. ... deploy and administer virtualized platforms, using VMWare. + Configure and manage Linux and Solaris operating systems + Installs/loads operating systems more
    ManTech (07/05/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
    Leidos (05/14/25)
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  • Systems Administrator

    Lockheed Martin (Springfield, VA)
    …to fully utilize modern HPC systems \. We are seeking a senior level Systems Administrator with Linux and Software Configuration Management experience to ... management, build automation and release engineering\. This is a Systems Administrator role that manages Linux...to obtain and maintain a security clearance at the Top Secret /SCI level with a poly\. Requires… more
    Lockheed Martin (07/12/25)
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  • Linux System Administrator

    Leidos (Alexandria, VA)
    …VXRail + Strong experience with Tier 2 system administration of server operating systems such as Linux (CentOS, RHEL, or Ubuntu) and Microsoft Server (2012 ... **Description** Leidos is seeking a System Administrator to support a large...problems. + Provide technical support, administration, and monitoring of Linux , Microsoft, and Mac systems within a… more
    Leidos (06/06/25)
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  • Systems Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated and career-oriented ** Systems Administrator ** with Linux expertise to join our team in **Laurel, MD** . You will be part of a ... and manage Linux , Unix, and Windows operating systems + Install operating system software, troubleshoot...Qualifications:** + Fifteen (15) years of experience as a System Administrator in programs and contracts of… more
    ManTech (06/03/25)
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  • Linux Systems Administrator

    SAIC (Reston, VA)
    …national importance. This position is in Reston, VA. We are seeking a highly motivate System Administrator to join our National Intelligence Program to be at the ... TS /SCI clearance with Polygraph. **Required:** + Proven experience as a Systems Administrator , with a focus on supporting a complex enterprise environment.… more
    SAIC (06/03/25)
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  • Linux System Administrators

    Leidos (Annapolis Junction, MD)
    …more. **Join us and make a difference in National** **Security!** **Job Summary:** As a Linux System Administrator , you will play a vital role in maintaining ... capabilities. **Responsibilities Include:** + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration... (SA) Skill Level 0 BS+2+ YoE as a Linux SA, ND +7+ System Administrator more
    Leidos (06/08/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    …and availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness ... Systems Administrator Job Category: Information Technology...TS /SCI with Poly clearance. + 3 years of Linux system administration experience. + Knowledge of… more
    CACI International (07/09/25)
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