• Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    …in enterprise patch management and system administration across multiple operating systems , including Red Hat Enterprise Linux (RHEL), Ubuntu, and macOS. The ... macOS systems in an enterprise environment, including integration with Linux infrastructure * Perform system installations, configurations, upgrades, and… more
    Huntington Ingalls Industries (11/14/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …(IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification. * ITIL, ... Linux Administrator Job Category: Information Technology...team. The successful candidate will manage and support enterprise Linux systems that are mission-critical to national… more
    CACI International (11/13/25)
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  • Linux System Administrator

    Parsons Corporation (Centreville, VA)
    …Unleash your talent and redefine what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a ... includes system design, configuration, and debugging of Linux systems . Note: this is a full...Must possess and maintain Top Secret SCI clearance with CI poly + Must have Linux command… more
    Parsons Corporation (11/21/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission focused. ... SUCCEED Basic Qualifications: - Ten (10) years' experience as aLinux/UNIX Systems Administrator supporting complex, multi-site enterprise-scale environments -… more
    Arena Technical Resources, LLC (11/29/25)
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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    …Type of Travel: None * * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the ... demonstrated experience with multiple cloud platforms, automation technologies, and with Linux system administration. The successful candidate will ensure the… more
    CACI International (09/26/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our… more
    Nightwing (09/26/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and ... administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or...SSH or Console Port + Experience operating and maintaining Linux servers, including operating systems and applications,… more
    ENS Solutions (09/27/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence ( CI ) Polygraph. The Senior Systems Administrator II shall support ... Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level...production and maintenance of documentation for the team's solution system (s), sub- system (s), and component(s) deployed and in… more
    V2X (11/15/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system ... such as: + VMware Certified Professional (VCP) + RedHat Certified System Administrator /Engineer (RHCSA/RHCE) + Microsoft Certified: Windows Server… more
    BAE Systems (12/09/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... (DTP) contract. Your job will be to bring together Linux (primarily) and Windows systems administration, ...Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation,… more
    Leidos (10/01/25)
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  • DevOps System Administrator

    BAE Systems (Sterling, VA)
    …test tools into the CI /CD pipeline Demonstrated experience with Linux Operating Systems Experience developing, implementing and maintaining complex functions ... **Job Description** BAE Systems is looking for skill DevOps individuals to...available based on position level and/or job specifics. **DevOps System Administrator ** **115833BR** EEO Career Site Equal… more
    BAE Systems (12/09/25)
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  • Systems Administrator / Integration…

    BAE Systems (Springfield, VA)
    **Job Description** BAE Systems is seeking mission-oriented System Administrator / Integration Tester to join a dynamic team of IT professionals. As a member ... Other incentives may be available based on position level and/or job specifics. ** Systems Administrator / Integration Tester** **117614BR** EEO Career Site Equal… more
    BAE Systems (10/22/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr. System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite, ... SCIF Environment Eligibility: TS/SCI with CI Polygraph Job Description: The job duties of the Sr. System Administrator are as follows: * Plans, designs, and… more
    Arena Technical Resources, LLC (12/05/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …DoD 8570 certification or higher. + System administration across Linux systems . + Experience in the Intelligence Community (IC). + Red Hat Enterprise ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    RTX Corporation (11/15/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …& Intel space? If so, look no further. Amentum is seeking a **Senior System Administrator ** to join our team of passionate individuals in **Springfield, VA** ... systems including the transition and migration of corporate systems * Monitor and report on system ...NGA enterprise. * Senior level experience managing and administering Linux /Windows based systems including patching, updates, and… more
    Amentum (11/20/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM ... space.As a System Administrator on this program, you will...of degree + Must be an expert in using Linux -based operating systems + Must have strong… more
    Leidos (10/10/25)
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  • Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer on the Nautical contract in the Arlington, VA ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Systems Administrator

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a highly motivated Systems Administrator to join our team of professionals providing technical and program services to the US ... acquisition, development, integration, test, and operations support to USG Intelligence Community (IC) and Department of Defense (DoD) customers....land, at sea, in air, and in space. The Systems Administrator will be part of a… more
    SAIC (11/15/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Administrator Location: Springfield, VA, US Job ID: ATR 17769 Job Description Job Title: Systems Administrator Location: Springfield, VA ... active TS/SCI clearance and be willing to obtain a CI Polygraph Job Description: Shift Schedule: 530 pm to...are most critical right now. - Operate with Operational Intelligence : Translate technical activity into mission and enterprise risk,… more
    Arena Technical Resources, LLC (12/08/25)
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  • Cloud Administrator

    CACI International (Chantilly, VA)
    …Responsibilities:** + Build, configure, and administrate all aspects of Red Hat Enterprise Linux (RHEL) + Configure systems to meet STIG requirements + Manage ... Cloud Administrator Job Category: Information Technology Time Type: Full...system faults and runs diagnostic tests on operating systems to detect and resolve problems + Document … more
    CACI International (12/03/25)
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