• 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
  • 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)
    - 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
  • 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
  • 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

    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 Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Administrator Location: Springfield, VA, US Job ID: ATR 17769 Job Description Job Title: Systems Administrator Location: Springfield, VA ... active TS/SCI clearance and be willing to obtain a CI Polygraph Job Description: Night Shift Schedule: 530 pm...are most critical right now. - Operate with Operational Intelligence : Translate technical activity into mission and enterprise risk,… more
    Arena Technical Resources, LLC (01/08/26)
    - 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
  • Top Secret AWS Engineer

    Insight Global (Vienna, VA)
    Job Description Key Responsibilities Systems Operations & Maintenance Perform daily system health checks, log reviews, and performance monitoring across Linux ... performing STIGs and supporting system compliance. Active TS Clearance with SCI and CI Poly eligibility. Ability to work onsite in Vienna, VA at least 3 times… more
    Insight Global (01/06/26)
    - Save Job - Related Jobs - Block Source