• 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)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    ** Linux System Administrator -...experience Unix system administration * Proficiency in Linux systems troubleshooting. * Experience in patch ... candidates to join our successful Federal organization as a Linux System Administrator for an...* Troubleshooting Skills: Strong ability to troubleshoot Windows and Linux operating systems . * Security and Compliance:… more
    CGI Technologies and Solutions, Inc. (12/11/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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 (12/27/25)
    - Save Job - Related Jobs - Block Source
  • Linux Sys Admin - TS/SCI CI Poly

    Insight Global (Springfield, VA)
    Intelligence Polygraph ( CI Poly) * Security+ DoD 8570 certification or higher. * System administration across Linux systems . * Ability to work in an ... Job Description Seeking a Systems Administrator to join a high-performing...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    Insight Global (01/07/26)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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 (01/01/26)
    - Save Job - Related Jobs - Block Source
  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …what's possible. **Job Description:** Parsons is looking for an amazingly talented **Mid System Administrator ** to join our team! **What You'll Be Doing:** + ... and accounts. + Other duties may include setting up administrator accounts, maintaining system documentation, tuning ...for system administrators. + RHCSA - Core Linux system administration certification. + Experienced with… more
    Parsons Corporation (11/15/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • Sr. Administrator (Azure, OpenShift)

    System One (Alexandria, VA)
    Job Title: Sr. Administrator Location: Alexandria, Virginia Type: 6 + months Contract To Hire Contractor Work Model: Onsite (with some flexibility) Security ... Clearance: Secret Clearance US Citizenship Required We are seeking a Sr. Administrator with strong hands-on experience in Microsoft Azure and Red Hat… more
    System One (12/26/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator - TS/SCI…

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced ** Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal ... with an active TS/SCI with Poly security clearance. + Proven experience in systems administration for Windows and/or Linux environments. + Hands-on experience… more
    Leidos (01/01/26)
    - Save Job - Related Jobs - Block Source
  • 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 (01/09/26)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... 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 (01/06/26)
    - Save Job - Related Jobs - Block Source
  • NCIS Cyber Systems Administrator

    General Dynamics Information Technology (Quantico, VA)
    …Required:** Yes **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** at GDIT in Quantico, VA. Shape ... + **Required Experience:** + 5+ years of experience with systems administration: + DoD system accreditation process...LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout… more
    General Dynamics Information Technology (12/08/25)
    - Save Job - Related Jobs - Block Source
  • Systems Integration Engineer (Devops)

    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 ... of an Agile team, youwillsupportsoftware developmentand O&M for a production system responsible for disseminating finished intelligence reports to various… more
    BAE Systems (10/22/25)
    - Save Job - Related Jobs - Block Source
  • Principal Systems Engineer

    V2X (Springfield, VA)
    …Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence ( CI ) Polygraph. The Senior-level Principal Systems Engineer shall lead a ... requirements engineering and management, testing and evaluation, and other Systems Engineering (SE) disciplines for successful system /solution development,… more
    V2X (11/25/25)
    - Save Job - Related Jobs - Block Source