• Infinity Systems Engineering (Alexandria, VA)
    …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 broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    DirectEmployers Association (09/30/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... worldwide to support the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS ** who could potentially be located in either **Springfield,… more
    CACI International (08/11/25)
    - Save Job - Related Jobs - Block Source
  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …+ **US Citizenship required** **WHAT WE'D LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout Experience ... Yes **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** with GDIT. A career in enterprise IT means connecting… more
    General Dynamics Information Technology (08/28/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator II Generalist…

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

    Leidos (Chantilly, VA)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you will play a ... as a Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, mission-critical environments. + Architect… more
    Leidos (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Cyber Security Specialist 4

    M. C. Dean (Springfield, VA)
    …system environments including Windows Server and workstation and Redhat Enterprise Linux (RHEL) as well as virtual environments including VMWare, Hyper-V, Nutanix, ... and Authorizations, including, but not limited to: Evaluate STIG, eMASSter, Vulnerator, ACAS / TenableSC, STIG Viewer, SCAP Compliance Checker, eMASS, Xacta / Xacta… more
    M. C. Dean (10/10/25)
    - Save Job - Related Jobs - Block Source