• Senior Systems Administrator…

    BigBear.ai (Annapolis Junction, MD)
    …10+ years of SA experience + Proficient with Linux . Minimum of 3 years Linux system administration experience (within the last 3 years). + Knowledge of ... Overview BigBear.ai is seeking a Senior Systems Administrator with an active...and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile… more
    BigBear.ai (12/30/25)
    - Related Jobs
  • Senior Systems Engineer

    Syms Strategic Group, LLC (SSG) (Arlington, VA)
    systems + Strong proficiency in Linux /Unix and Windows operating systems + Experience with system administration tasks including user management, ... Syms Strategic Group (SSG) is seeking a talented Systems Engineer ( Senior ) Location: Remote Department:...improvement methodology through the use of Information Technology (IT) systems or procedures + Maintain inventory of system more
    Syms Strategic Group, LLC (SSG) (01/07/26)
    - Related Jobs
  • Senior / Principal Windows System

    SciTec (Boulder, CO)
    …and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat ... considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to...and maintain security policies and procedures to protect Windows systems and data. + Monitor system performance… more
    SciTec (11/19/25)
    - Related Jobs
  • 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 ... + Minimum of 10 years of progressive experience in systems administration + Minimum of 5 years...administration and compliance Technical Skills: + Proficiency in Linux /Unix and Windows server administration in cloud… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
    - Related Jobs
  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    Senior Systems Engineer Job Category: Engineering...system deployment, as well as general Windows and Linux system administration and sustainment ... Type of Travel: None * * * **The Opportunity:** Senior Systems Engineer with strong design experience...+ Active TS/SCI with Poly + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering… more
    CACI International (10/21/25)
    - Related Jobs
  • Senior Software/ System Architect

    TISTA Science and Technology (Austin, TX)
    …implementing, and managing automation solutions using Ansible. + Hands-on knowledge of Linux administration in cloud environments. + Strong scripting skills in ... Overview Are you a Senior Software/ System Architect who would like...experience in high volume and high availability networks and systems . + Experience in creating and conveying to team… more
    TISTA Science and Technology (11/21/25)
    - Related Jobs
  • IT Services Administration

    Fiserv (Omaha, NE)
    …or a related subject **Experience that would be great to have:** + Windows and/or Linux System Administration experience + AWS Cloud experience + Application ... Administration **About your role:** The IT Services Management Senior Professional will be joining our Financial Institutions Group,...+ Oversee the administration and support of Linux and Microsoft Windows systems , as well… more
    Fiserv (01/06/26)
    - Related Jobs
  • Senior System Security Engineer

    Parsons Corporation (Boulder, CO)
    …+ Cybersecurity certifications such as CompTIA CASP+, CISSP, OSCP, CISM, CEH, GSEC + System administration experience with Linux + Network switch and router ... and redefine what's possible. **Job Description:** Parsons is seeking a talented ** Senior Cyber Security Engineer** to join our growing team! _While this position… more
    Parsons Corporation (01/14/26)
    - Related Jobs
  • System Engineer (TS/SCI)- Senior

    Vexterra Group (Bethesda, MD)
    …and maintenance + Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as ... Azure cloud services and the cloud ecosystem. + Experience operating and maintaining systems in a Linux environment + Certification relating to Microsoft… more
    Vexterra Group (01/13/26)
    - Related Jobs
  • Senior HPC Engineer

    Texas A&M University System (College Station, TX)
    …of the following:* Experience with High Performance Computing (HPC) environments* Advanced Linux system administration skills* Familiarity with computer ... Job Title Senior HPC Engineer Agency Texas A&M University Department...This investment underscores our commitment to all Texas A&M System members' faculty and staff providing cutting-edge research and… more
    Texas A&M University System (01/07/26)
    - Related Jobs