• Linux Sys Admin - TS /SCI CI…

    Insight Global (Springfield, VA)
    …Counter-Intelligence Polygraph (CI Poly) * Security+ DoD 8570 certification or higher. * System administration across Linux systems . * Ability to work in an ... Job Description Seeking a Systems Administrator to join a high-performing team at...on-call weekend support as needed. This position requires system admin skills knowledgeable in VM concepts, and the ability… more
    Insight Global (11/15/25)
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  • Linux Engineer - TS /SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …RQ207328 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** IT Infrastructure and Operations **Skills:** Linux Environments,Red Hat Ansible,System Administration **Experience:** 2 + years of related experience… more
    General Dynamics Information Technology (09/16/25)
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  • Linux Engineer

    ManTech (Norfolk, VA)
    …and 5+ years of relevant IT systems experience. + Experience in system administration , with proficiency in both Linux and Windows environments. + Must have ... with VMWare ESXi and able to work with virtual Linux systems . + Up to 25% travel... security clearance with the ability to obtain a Top Secret . **Physical Requirements:** + Must be… more
    ManTech (11/05/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …IT Operations team. The successful candidate will manage and support enterprise Linux systems that are mission-critical to national security operations. This ... with RMF (Risk Management Framework). Required Qualifications * Active Top Secret clearance (SCI eligibility strongly preferred)....of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System… more
    CACI International (11/13/25)
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  • Linux Engineer

    Amentum (Chantilly, VA)
    …configuration changes, and ensure the reliability, security, and performance of Linux systems across the enterprise. **Responsibilities:** Design, implement, ... maintain, and troubleshoot Linux -based systems and infrastructure for a number...flavors + Nginx + Certificate Management **Clearance Required:** + TS /SCI with poly **Minimum Education:** + Bachelors **Minimum Years… more
    Amentum (10/01/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... and equipment in the lab environment. - Providing ongoing systems administration , technical support, upgrades, patching and...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (08/28/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current CI Polygraph required The ... Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission focused. This ideal candidate is… more
    Arena Technical Resources, LLC (10/25/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    …7+ years of direct experience. * At least 5 years of experience in Linux system administration , with a focus on cloud-based infrastructure. * In-depth knowledge ... * Experience with Docker, including containerization and orchestration. * Strong understanding of Linux operating systems , including Red Hat Enterprise Linux more
    CACI International (11/01/25)
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  • Sr. System Administrator ( Linux )

    Nightwing (Sterling, VA)
    …federal data centers. This position is hands-on and requires expertise in Linux administration , automation, and security hardening. The Senior System ... Secret clearance. Must be able to obtain a TS /SCI clearance + Must be able to obtain DHS...to obtain DHS Suitability + Minimum 6+ years of systems administration experience + 4+ years with… more
    Nightwing (10/29/25)
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  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship required** **WHAT WE'D LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout Experience **GDIT ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (08/28/25)
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