• 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)
    - Save Job - Related Jobs - Block Source
  • 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...network engineering, administration, or related IT roles. + Clearance: TS /SCI CI Poly + Required Skills: + Experience with… more
    DirectEmployers Association (09/30/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:**...2 to 5 years of experience * Security Clearance: TS /SCI required with the ability to obtain a ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...5 to 10 years of experience * Security Clearance: TS /SCI required with the ability to obtain a … more
    CGI Technologies and Solutions, Inc. (10/01/25)
    - Save Job - Related Jobs - Block Source
  • 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...Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS /SCI clearance… more
    Nightwing (10/08/25)
    - Save Job - Related Jobs - Block Source
  • 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...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    BCMC (10/16/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... to drive impactful solutions in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the… more
    ManTech (08/30/25)
    - Save Job - Related Jobs - Block Source
  • 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...a critical DoD system? Join our team as a Systems Administrator ! You will get to use… more
    CACI International (10/18/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • Linux /UNIX Systems

    General Dynamics Information Technology (Springfield, VA)
    …safe and tomorrow is smarter. Our work depends on a TS /SCI cleared Linux /UNIX Systems Administrator joining our team to support our intelligence customer ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...Deliver innovative, simple solutions to complex problems as a Linux /UNIX Systems Administrator at GDIT.… more
    General Dynamics Information Technology (10/11/25)
    - Save Job - Related Jobs - Block Source
  • Windows Linux Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ203465 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise...a hybrid mix of **Windows and Red Hat Enterprise Linux (RHEL) systems .** **Key Responsibilities:** + Perform… more
    General Dynamics Information Technology (10/14/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    Nightwing (Arlington, VA)
    …Nightwing is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (08/28/25)
    - Save Job - Related Jobs - Block Source
  • Linux Engineer ( TS /SCI…

    General Dynamics Information Technology (Warrenton, VA)
    …direct experience in the following: **System Administration** + Prior experience as a Unix/ Linux Systems Administrator of Linux , preferably RHEL/CentOS ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...the Data Center to replace failed hardware components on Linux systems + Project based development and… more
    General Dynamics Information Technology (10/03/25)
    - Save Job - Related Jobs - Block Source
  • System Support-US Citizens Only - TS /SCI…

    The Metamorphosis Group (Chantilly, VA)
    …officer with security-controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... System Support-US CITIZENS ONLY - TS /SCI FS POLY REQUIRED Chantilly, VA . Government/Military...administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated… more
    The Metamorphosis Group (08/09/25)
    - Save Job - Related Jobs - Block Source
  • Lab Manager III

    ARSIEM (Arlington, VA)
    …one of our Government clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (10/20/25)
    - Save Job - Related Jobs - Block Source
  • Lab Manager /System Administration

    Node.Digital (Arlington, VA)
    …Node is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... Lab Manager/ Systems Administrator Location: Arlington, VA Must have Secret...large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual… more
    Node.Digital (09/17/25)
    - Save Job - Related Jobs - Block Source
  • 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 System ... communicate issues and resolutions to all levels within the organization. System Administrator - The Contractor shall support a second shift schedule, 5 days… more
    The Metamorphosis Group (09/10/25)
    - Save Job - Related Jobs - Block Source
  • Lab Manager II

    ARSIEM (Arlington, VA)
    …is looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (09/16/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator II…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology… more
    V2X (08/07/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Reston, VA)
    …RQ208096 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Systems Administrator ** Transform technology into opportunity as a Senior… more
    General Dynamics Information Technology (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator - TS

    General Dynamics Information Technology (Chantilly, VA)
    …RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in...experience with web services. + **Security Clearance Level** : Top Secret /SCI with Polygraph + **Preferred Skills:**… more
    General Dynamics Information Technology (09/17/25)
    - Save Job - Related Jobs - Block Source