• 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 Security ... Responsibilities** The selected individual will be responsible for monitoring infrastructure systems , applications, and processes, and for ensuring that all issues… more
    Leidos (11/19/25)
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  • Linux System Administrator

    Leidos (Huntsville, AL)
    …Leidos-Dynetics, within the Digital Modernization sector, is seeking a Linux System Administrator to ensure the secure and efficient operation of our Linux-based ... systems , while seamlessly integrating with other technologies within a...degree. + Minimum of 4 (Four) years of System Administrator experience. + Minimum of 2 (Two) years administering… more
    Leidos (11/15/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... Your job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, systems performance optimization along… more
    Leidos (10/01/25)
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  • Classified Area System Administrator

    Leidos (Huntsville, AL)
    …Office reporting through the Digital Modernization sector, is seeking an early career **System Administrator ** to join our team. In this role, you'll play a key part ... + Provide backup and recovery services while managing file systems and disk space. + Utilize desktop and server...and a minimum of two 2 years of System Administrator experience. + **Current Secret clearance** with ability to… more
    Leidos (11/06/25)
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  • Classified Area System Administrator Mid

    Leidos (Huntsville, AL)
    …Sector, within our Corporate Information Security Office is seeking a skilled System Administrator to join our team. In this role, you'll play a key part ... + Provide backup and recovery services while managing file systems and disk space. + Utilize desktop and server...Qualifications:** + Bachelor's Degree and 8+ years of System Administrator experience, Associate Degree and 10+ or Master's and… more
    Leidos (10/16/25)
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  • System Administrator IV - HPC

    Leidos (Saratoga Springs, UT)
    …Manage essential infrastructure services, ensuring high availability and performance of data center services, physical and virtual server-class systems , and ... currently has an immediate need for an experienced **System Administrator - IV HPC** for a new customer on...such as RES, LSF and SLURM + HPC farm systems , HPC MPP clustered systems , Front End… more
    Leidos (10/24/25)
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  • JIRA Developer and Administrator

    Leidos (Alexandria, VA)
    …security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure. **_Ready to engineer solutions that ... Leidos is seeking a dynamic Senior JIRA Developer and Administrator to support cloud modernization initiatives for the United...degree in a related field (eg, Computer Science, Information Systems , Business) + 12 +years of development and … more
    Leidos (11/19/25)
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  • Endpoint Security as a Service (ESS) Engineer/…

    Leidos (Washington, DC)
    …- where innovation meets mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems - you'll _elevate_ them. You'll be ... driven Endpoint Security as a Service (ESS) Engineer and Administrator to join our team at the Washington Navy...ESS deployments and policy rollouts across local and remote systems . + Conducting threat analysis and crafting custom security… more
    Leidos (10/03/25)
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  • Supply Counter Administrator

    Leidos (Chantilly, VA)
    …We are seeking a highly organized and detail-oriented Supply Counter Administrator who is responsible for providing front-line support to customers through ... issuance, repair coordination, returns, or field servicing of supplies. The administrator also manages office supply inventories and oversees the distribution of… more
    Leidos (09/15/25)
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  • System Administrator

    Leidos (San Diego, CA)
    …be responsible for maintaining, securing, and supporting complex classified information systems , as well as ensuring compliance with security protocols and ... documentation. + Install, configure, and sustain a mixture of Windows and RedHat-based systems . + Work under guidance of the Sr. ISSE to accomplish time-sensitive… more
    Leidos (11/25/25)
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