• Lab Manager III

    ARSIEM (Arlington, VA)
    …is looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administration to support the design, development, and ... and equipment in the lab environment. + Providing ongoing systems administration , technical support, upgrades, patching, and...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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  • Principal Windows Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …**Preferred Qualifications:** + Bachelor's or Master's degree in IS related field. + Top Secret Clearance. + Experience operating under and managing systems ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (01/15/26)
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  • Splunk Engineer - Active TS /SCI Required

    ENS Solutions (College Park, MD)
    …in a Splunk environment + Experience with Splunk performing systems administration , including performing installation, configuration, monitoring system ... up alerts and notifications + Familiarity with DoD Risk Management Framework + Top Secret /SCI clearance with the ability to obtain a Counter-Intelligence… more
    ENS Solutions (12/27/25)
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  • TS /SCI - GCCS Systems Engineer

    Insight Global (Colorado Springs, CO)
    …Security, CySA+, GICSP, GSEC, CND, SSCP) -3+ years of experience in systems administration , Tactical Combat Operations, and GCCS -Knowledge of virtualization ... support the configuration and implementation of the GCCS-J software and systems , GCCS-J courseware development, providing specific GCCS-J Operator training to… more
    Insight Global (01/07/26)
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  • TS /SCI Senior DevSecOps Engineer

    Insight Global (Hanahan, SC)
    …* Demonstrated experience with CI/CD tooling. * Strong understanding of Linux system administration (RHEL8 preferred), networking, and OS-level security. ... Job Description Insight Global is looking to bring on a TS /SCI cleared Senior DevSecOps Engineer to join the team sitting out of Charleston, SC in support of a… more
    Insight Global (01/08/26)
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  • DevSecOps Engineer with TS Level Clearance

    Systems Technology Forum (Dahlgren, VA)
    ** Security Clearance Required Company Overview Systems Technology Forum LTD (STF) is an established industry partner with a passion for exceptional performance and ... technology, and logistics services, STF is committed to delivering high-quality systems engineering, technical and professional support services that meet and exceed… more
    Systems Technology Forum (12/12/25)
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  • ForeScout Engineer - Active TS /SCI with CI…

    ENS Solutions (Washington, DC)
    …daily maintenance of Forescout CounterACT appliances + 5+ years of experience performing systems administration for Windows or Linux , including performing ... for customers using knowledge network engineering, Active Directory, and system administration . In this role, you'll closely impact mission success, protecting data… more
    ENS Solutions (12/06/25)
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  • Cyber Asset Attack Surface Management Deployment…

    ENS Solutions (Washington, DC)
    …COTS solutions for hybrid cloud environments + 3+ years of experience performing systems administration in Windows, Linux , or VMware environments, including ... and manage CAASM solution deployment in accordance with the systems engineering lifecycle (SELC). Monitor, design, and onboard new...APIs with their usage for data integration + Active TS /SCI clearance; willingness to take a polygraph exam +… more
    ENS Solutions (12/13/25)
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  • ADC Engineer I, Non-Relational Database Services

    Amazon (Jessup, MD)
    …or A+ or CND (Certified Network Defender) or Network+ or Security- 1+ years Linux systems administration experience - 1+ years technical troubleshooting / ... at scale - Experience with service-oriented architecture and web services - Experience with systems administration on either Linux /UNIX or Windows operating … more
    Amazon (01/09/26)
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  • Senior System Integrator Engineer ( TS

    Vexterra Group (Bethesda, MD)
    …and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration , and troubleshooting of both Linux ... Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following ...can work on their own * Expertise in configuration, administration , and troubleshooting of Linux (RHEL/CentOS, Ubuntu)… more
    Vexterra Group (01/13/26)
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