• 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 (12/26/25)
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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 (12/26/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Washington, DC)
    …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 (12/12/25)
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  • System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile ... close collaboration with customers and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document, and structure stakeholder… more
    BAE Systems (12/13/25)
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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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  • 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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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …**:** Active Top Secret SCI with Polygraph **What You Will Do** **:** As a Systems Administrator , you will be involved in managing and maintaining our IT ... + TWO (2) or more years' experience as a system administrator + TWO (2) or more...+ Ability to assist in managing and maintaining Windows-based systems , including basic configuration, patching, and system more
    Guidehouse (12/13/25)
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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

    Guidehouse (Bethesda, MD)
    …like Salt and Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation, tune system ... **Job Family** **:** Systems Engineering **Travel Required** **:** None **Clearance Required**...Secret SCI (TS/SCI) **What You Will Do:** + Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting… more
    Guidehouse (12/10/25)
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  • Systems Administrator

    Leonardo DRS, Inc. (Frederick, MD)
    … administration - experience with Cisco\Meraki and ESXi preferred + Working knowledge of Linux systems and common services + Experience in current principles and ... www.leonardodrs.com . **Job Summary** In this role you will perform network and system administration duties for Leonardo DRS's on-premesis systems and networks.… more
    Leonardo DRS, Inc. (12/23/25)
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  • System Adminstrator - US Citizenship…

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …5-7 years of experience Unix system administration * Proficiency in Linux systems troubleshooting. * Experience in patch management. * Relevant ... currently seeking candidates to join our successful Federal organization as a System Administrator for an enterprise cybersecurity opportunity supporting our DHS… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    …to Microsoft Certified Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) + Experience with SAN or network storage setup ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the… more
    Vexterra Group (10/14/25)
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  • ServiceNow ITOM Engineer

    CACI International (Chantilly, VA)
    …servers and applications, configures software, responds to service outages, monitors system performance, and troubleshoots systems issues*Strong skills with MS ... will work with the customer to define their CMDB & Configuration Item ( CI ) needs, will train teams to deploy, configure, and ultimately troubleshoot their MID… more
    CACI International (11/25/25)
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  • Principal DevOps Engineer - Seattle, WA or

    Oracle (Arlington, VA)
    …with the developing, designing and debugging of software applications or operating systems . Work is non-routine and very complex, involving the application of ... extend functionality and automate security workflows. + Manage large-scale Linux fleets, including provisioning, patching, monitoring, and optimization for… more
    Oracle (12/25/25)
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