• System Administrator

    ManTech (Fort Meade, MD)
    …be substituted + 2 years of experience in architecting, deploying and general administration of Splunk to include infrastructure planning, data collection and ... Demonstrate experience creating and managing virtual environments (VMWare ESX, VCenter Administration ) + Experience in administration of Linux/Windows +… more
    ManTech (11/03/25)
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  • System Engineer (TS/SCI)- Senior or Mid Level

    Vexterra Group (Bethesda, MD)
    …the Intelligence Community Campus. Primary Responsibilities + Provide technical support, administration , and monitoring of Microsoft Windows within a physical and ... Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft Server (2012… more
    Vexterra Group (01/13/26)
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  • Systems Administrator

    Leonardo DRS, Inc. (Frederick, MD)
    …. **Job Summary** In this role you will perform network and system administration duties for Leonardo DRS's on-premesis systems and networks. This position is highly ... year of directly related experience in current principles and practices systems administration - experience with Cisco\Meraki and ESXi preferred + Working knowledge… more
    Leonardo DRS, Inc. (12/23/25)
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  • ForeScout Engineer - Active TS/SCI with CI Poly

    ENS Solutions (College Park, MD)
    …for customers using knowledge network engineering, Active Directory, and system administration . In this role, you'll closely impact mission success, protecting data ... Forescout CounterACT appliances + 5+ years of experience performing systems administration for Windows or Linux, including performing basic troubleshooting and… more
    ENS Solutions (12/06/25)
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  • Principal Computer Systems Analyst

    Northrop Grumman (Hollywood, MD)
    …and IT management. + Able to support multiple networks. Ensure necessary administration tasks are completed; direct others as necessary. + Analyze internal or ... + MCSE (or similar) Microsoft certification + 6 years of Windows Server Administration to include VMWare, Active Directory, and Group Policy in a classified… more
    Northrop Grumman (01/07/26)
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  • Application Engineer 4 (Python Dev.)

    Themis Insight (Linthicum Heights, MD)
    …refresh, and update to maintain full operational capacity. + Conduct database administration to monitor, report, and repair any degradation of the health and ... refresh, and update to maintain full operational capacity. + Conduct database administration to monitor, report, and repair any degradation of the health and… more
    Themis Insight (12/19/25)
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  • Principal Linux Systems Administrator - Polygraph

    Northrop Grumman (Linthicum Heights, MD)
    …customer and IT management. + Support multiple networks while ensuring necessary administration tasks are completed and directing others as necessary. + Analyze ... Security+ CE, a Linux+ or RHCSA, and 5 years of Linux Server Administration experience in a classified environment + Understanding of basic networking, including… more
    Northrop Grumman (11/19/25)
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  • Senior System Administrator - Network Operation…

    St. George Tanaq Corporation (Suitland, MD)
    …years of advanced expertise in enterprise-level network and systems administration , ensuring mission-critical systems remain secure, resilient, and fully ... 99.99% uptime across multiple geographically distributed sites. 3. Enterprise Systems Administration - Expert in managing Windows Server and Linux environments,… more
    St. George Tanaq Corporation (11/14/25)
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  • Software Engineer

    ManTech (Fort Meade, MD)
    …be substituted. + 2 years of experience in architecting, deploying and general administration of Splunk to include infrastructure planning, data collection and ... Python AND JavaScript AND Bash shell scripting + Familiarity with Linux administration , system file hierarchy, root commands + Ability to troubleshoot and deploy… more
    ManTech (11/03/25)
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  • Systems Engineer - TS/SCI Polygraph

    General Dynamics Information Technology (Bethesda, MD)
    …architecture and documentation on Enterprise Architecture + Familiarity with PKI/HBSS/ Splunk /Entitlements/IDAM/etc **WHAT YOU'LL NEED TO SUCCEED:** + **Education** : ... Level** : TS/SCI with active polygraph + **Desired Skills:** + System/Network Admin experience + Prior C2S program office support + Demonstrated experience in… more
    General Dynamics Information Technology (12/10/25)
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