• Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (09/30/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... + **Must be a US citizen with an active TS /SCI security clearance** + Bachelors degree in a related.../SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid… more
    DirectEmployers Association (09/11/25)
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  • 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 (09/10/25)
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  • System Administrator ( Linux

    Themis Insight (Laurel, MD)
    …Public and Private, Civilian and Military expertise to every case. We are hiring a System Administrator ( Linux ) to work in Laurel, MD. Position location is ... process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity… more
    Themis Insight (10/14/25)
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  • Quality Assurance Linux

    Assertive Professionals (Hanover, MD)
    …in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... Quality Assurance Linux Administrator About the Organization Established...system and installs Required Experience and Qualifications: + TS /SCI with aPolygraph + Nine (9) years experience in… more
    Assertive Professionals (09/25/25)
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  • Senior Linux Administrator

    SAIC (Arlington, VA)
    …**Red Hat Senior Linux Administrator ** to operate and maintain the Linux operating systems within our environment. This position is based out of the ... of the organization's systems . + Participate in system upgrades, migrations, and new deployments of Linux...and repetitive tasks. **Qualifications** **REQUIRED QUALIFICATIONS:** + Active DOD Top Secret clearance. + US citizenship. +… more
    SAIC (10/08/25)
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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 (08/11/25)
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  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    Administrator (NetServ) to join our team in Dahlgren, VA. The Senior Linux Administrator (NetServ) is responsible for system administration and customer ... **Overview** SENIOR LINUX ADMINISTRATOR (NETSERV) Bowhead seeks a...to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a… more
    UIC Government Services and the Bowhead Family of Companies (09/17/25)
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  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your opportunity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT.… more
    General Dynamics Information Technology (08/02/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    …Team as a Linux System Administrator !** Are you passionate about Linux systems and eager to make a significant impact? We're looking for a skilled ... Linux Systems Administrator Job...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...and enthusiastic Linux System Administrator to join… more
    CACI International (10/18/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, Virginia, Arlington ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Principal Linux Systems

    Northrop Grumman (Baltimore, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a well-qualified ** Linux Systems Administrator ** to join its Classified Solutions team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...with non-technical customers. **Preferred Qualifications** : + Current DoD Top Secret security clearance. + Experience with… more
    Northrop Grumman (10/15/25)
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  • Linux Systems Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team ... Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS /SCI clearance...clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency… more
    Nightwing (10/08/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …your talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (10/18/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux ... - US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+… more
    BCMC (10/16/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a... environments + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include **SCI… more
    Northrop Grumman (08/20/25)
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  • Senior Linux Systems

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will...replacing server hardware components where necessary + Managing operating system lifecycles and designing interfaces to external systems more
    ManTech (08/30/25)
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  • Mid-Level Linux System

    Belay Technologies (Laurel, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Linux System Administrator to join our intel team. + We are seeking a ... Mid-Level Linux System Administrator to work...system infrastructure, and any processes related to these systems and provide support to IT systems more
    Belay Technologies (07/21/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... a difference in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and… more
    Leidos (07/31/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category:...guidance from more senior technical staff. **Required:** + Active Top Secret or TS /SCI clearance. + ... Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...DoD system ? Join our team as a Systems Administrator ! You will get to use… more
    CACI International (10/18/25)
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