• AeroVironment (Arlington, VA)
    **Worker Type** Regular **Job Description** **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management of ... support as needed. The ideal candidate has a strong foundation in Linux system and network administration with a security-focusedmindset and contributes to the… more
    DirectEmployers Association (12/24/25)
    - Save Job - Related Jobs - Block Source
  • 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 (11/25/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services ... team to maintain and optimize the Linux production environment.The candidate will be responsible...+ Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things (in a good… more
    Leidos (12/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems…

    Leidos (Camp Springs, MD)
    …of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining ... Security+ or Systems Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems … more
    Leidos (12/20/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System…

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... servers, databases, and workstations as well as VMware and Linux server instances and an extensive network infrastructure (LAN...on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities: + Provide support… more
    Belay Technologies (01/04/26)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System…

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior ... (Required): + CompTIA Security+ CE or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP + Must meet DoD 8750 and 8140… more
    Black Bear Technology Solutions, LLC (11/21/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System…

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for… more
    ManTech (12/24/25)
    - Save Job - Related Jobs - Block Source
  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... & Intel space? If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover,… more
    Amentum (11/21/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system ... administration support for Linux operating systems including installing software, applying patches, managing...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (10/25/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System…

    GovCIO (Washington, DC)
    …referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active...administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience… more
    GovCIO (11/07/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System…

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated ... include but are not limited to:** + Configure and manage Linux (Rocky) operating systems. Installs/loads operating system software, troubleshoots maintains integrity… more
    ManTech (12/25/25)
    - Save Job - Related Jobs - Block Source
  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …every client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end ... software, systems, and network engineering services to support Integrated Discovery Operations (IDO). You will lead, evolve, and maintain a dynamic, modern DevOps architecture, often based on open-source technology and not relying on corporate baselines, to… more
    ARSIEM (10/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting ... Senior Systems Administrator Job Category: Information...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and installs/loads operating… more
    CACI International (01/07/26)
    - Save Job - Related Jobs - Block Source
  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other responsibilities… more
    Leidos (01/06/26)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... Full Time **Position Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national… more
    CGI Technologies and Solutions, Inc. (12/31/25)
    - Save Job - Related Jobs - Block Source
  • Mid-Level Linux Administrator

    BAE Systems (Annapolis Junction, MD)
    …may be available based on position level and/or job specifics. **Mid-Level Linux Administrator ** **119897BR** EEO Career Site Equal Opportunity Employer. ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other responsibilities… more
    BAE Systems (01/08/26)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, ... better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the...Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud… more
    General Dynamics Information Technology (01/05/26)
    - Save Job - Related Jobs - Block Source
  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career and customer-oriented ** Senior ** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure ... for Windows Server 2022 environments, Windows 10/11 client systems, and various Linux distributions (eg, Rocky,CentOS, RHEL) within both cloud and on-premise. +… more
    ManTech (12/24/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to...years of relevant experience. + Experience with Windows and Linux operating systems + DOD IAT Level II Certification… more
    Chenega Corporation (12/10/25)
    - Save Job - Related Jobs - Block Source
  • Senior Database Administrator

    Leidos (Camp Springs, MD)
    **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... integrate automation, cloud, hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key member of the Hosting… more
    Leidos (12/06/25)
    - Save Job - Related Jobs - Block Source