• Applied Research Associates, Inc. (Herndon, VA)
    …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... Requirements:** + **Must be a US citizen with an active TS/SCI security clearance** + Bachelors degree in a...TS/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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  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... opportunity to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT....DoD 8140 compliance required + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities:** Highly… more
    General Dynamics Information Technology (11/01/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …being assembled by CACI, Inc! We have an opening for a ** Linux Systems Administrator ** with an active TS/SCI w/Polygraph clearance. If you thrive ... Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee… more
    CACI International (10/29/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... System Administrator !** Are you passionate about Linux systems and eager to make a...support and solutions. **Qualifications:** _Required:_ + **Security Clearance:** An active NSA TS/SCI with Polygraph. + **Proven Experience:** 3… more
    CACI International (10/18/25)
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  • Linux /Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux /Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... are seeking aSystems Administrator IIto join our Team! ** Must have active TS/SCI w/ Polygraph before consideration ** Requirements: + Ten (10) years' experience… more
    COMSO, Inc (11/27/25)
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  • Senior Systems Administrator (Unix/…

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/ Linux ) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/ Linux )to support enterprise-level networks and… more
    EPS Corporation (11/13/25)
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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 ... Develop and maintain backup and disaster recovery plans for Linux systems . + Patch Management: Manage the...clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing… more
    Nightwing (11/18/25)
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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 ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of… 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...Groups (ERGs) offer opportunities to be a friend, be active , be a volunteer, be a leader, be recognized,… more
    Northrop Grumman (11/19/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must have experience installing, ... updating, and upgrading Linux Operating Systems (OS). + Must have...Linux OS. + Must have experience implementing Windows Active Directory User Authentication in Linux OS.… more
    Belay Technologies (11/07/25)
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  • Senior Linux Systems

    Leidos (Columbia, 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...and Virtualization + **Security Clearance** : Must have an active Top Secret/SCI with Polygraph cssrc conmd If you're… more
    Leidos (09/26/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... a critical DoD system? Join our team as a Systems Administrator ! You will get to use...in system design, development, and production support of large applications/ systems . + Windows and Linux server system… more
    CACI International (10/18/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level ** Linux Systems Administrator ** . The candidate will support both ... be accepted in place of a degree + 3+ years of experience with Linux operating systems , including installations, maintenance, and troubleshooting + Experience in… more
    Parsons Corporation (11/08/25)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National ... systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must...Linux OS. + Must have experience implementing Windows Active Directory User Authentication in Linux OS.… more
    Leidos (11/19/25)
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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 & ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
    Leidos (10/09/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system ... administration support for Linux operating systems including installing software, applying...Level Requirements:** + Must have a minimum of an active Secret clearance at time of interview and candidate… more
    General Dynamics Information Technology (10/25/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... and resolution of problems + Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for...required. + Must be proficient with troubleshooting in a Linux Red Hat environment + IAT II certification (DOD… more
    ManTech (11/26/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …* Knowledge of Identity and Access Management (IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified ... 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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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... Linux System Administrator , who shall be responsible...continuous system monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS/SCI with FSP US Veterans Preferred **ABSOLUTELY NO… more
    The Metamorphosis Group (09/10/25)
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  • Quality Assurance Linux

    Assertive Professionals (Hanover, MD)
    Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... Timeline Open Description Assertive Professionalsis in search of aQuality Assurance Linux Administrator to support orNational Security CustomernearHanover, MD.… more
    Assertive Professionals (09/25/25)
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