• Sr. Specialist Cyber Infrastructure Engineer

    L3Harris (Carlsbad, CA)
    …ability to analyze outputs and drive remediation. + Extensive background as a Linux System Administrator in secure, classified environments, with expertise ... Secret clearance with the ability to obtain Top Secret post-hire Required Qualifications: + Bachelor's...and related DoD standards. + Deep technical proficiency with Linux (Ubuntu/Red Hat) and Windows Server operating systems more
    L3Harris (01/02/26)
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  • SAP Ns2 Hana DBA- TS /CSI poly…

    SAP (Columbia, MD)
    …tools like HANA Studio, HANA Cockpit, or SAP Solution Manager. * Knowledge of Linux operating systems and shell scripting. * Understanding of cloud-based HANA ... you to grow and succeed. **SAP NS2 Sr. HANA DBA- TS /SCI poly-Onsite MD** NS2 COMPANY DESCRIPTION SAP is the...seeking a highly skilled and experienced Senior HANA Database Administrator to join our team. In this role, you… more
    SAP (11/01/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …or systems administration experience. + 5+ years of directly relevant experience as a Linux System Administrator . + 2+ years of MacOS and iOS experience. ... Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administration to support the design,...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (12/23/25)
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  • Solutions Architect (Active TS /SCI…

    NANA Regional Corporation (Livermore, CA)
    …our database systems . You will work closely with application developers, system architects, and other IT staff to ensure optimal database performance and ... We are seeking an experienced IT Database Architect / Administrator (job title: Solutions Architect) to join our dynamic, multi-disciplinary 24/7/365 Mission Support… more
    NANA Regional Corporation (10/31/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation tier(s) for the ... respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server...required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to… more
    V2X (11/15/25)
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  • Systems Administrator - Helpdesk Sys…

    Northrop Grumman (Colorado Springs, CO)
    …Functions:** + Configuring and managing ** Linux ** and **Windows** Operating systems , including: + Implementing operating system enhancements to improve ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of... system administration on both Windows Server and Linux operating systems + Experience troubleshooting and… more
    Northrop Grumman (01/10/26)
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  • Systems Administrator / Flight…

    Lockheed Martin (Nellis Air Force Base, NV)
    …relevant software\. **Desired Skills:** * Previous or active DoD Top Secret /SCI security clearance\. * Certifications: Linux \+, CompTIA\+, and Security\+\. * ... the world\. **THE WORK** Lockheed Martin is seeking a Systems Administrator to support Modeling, Simulation, and...aerospace and defense\. **Basic Qualifications:** * A current active Top Secret Level Clearance with an investigation… more
    Lockheed Martin (11/05/25)
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  • Senior Systems Administrator

    Leidos (Gaithersburg, MD)
    …the ability to obtain TS /SCI with Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, ... Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of...Required:** Active Top Secret to be considered with… more
    Leidos (01/16/26)
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  • Cybersecurity Engineer

    TekSynap (Richmond, VA)
    …Handler + **CCSP** - Certified Cloud Security Professional **Clearance** + Must possess a Top Secret clearance with a favorable NACLC and be eligible for an ... perception, and ability to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** US Citizen Top Secret Clearance **OTHER DUTIES** Please note this job… more
    TekSynap (10/23/25)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …Required** **:** None **Clearance Required** **:** Active Top Secret SCI ( TS /SCI) **What You Will Do:** + Perform Linux and Windows builds, installs, ... Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation,...**What You Will Need:** + An ACTIVE and MAINTAINED " TOP SECRET /SCI ( TS /SCI)" Federal or… more
    Guidehouse (12/10/25)
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