• System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support ... + Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft Server… more
    Vexterra Group (07/15/25)
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  • System Support-US Citizens Only - TS/SCI FS…

    The Metamorphosis Group (Chantilly, VA)
    …officer with security-controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated experience with Windows systems engineering… more
    The Metamorphosis Group (08/09/25)
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  • Manager, System Administration - TS/SCI

    L3Harris (Rochester, NY)
    … Systems Administrator Manager is responsible for maintaining a mixed Windows and Linux system environment in a Citrix/Virtualized environment. ... in the interest of national security. Job Title: Manager, Systems Administrator - TS/SCI Job Code: 26980...minimum of 13 years of prior related experience. + Windows or Linux server administration with a… more
    L3Harris (08/08/25)
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  • Infrastructure Cloud Engineer Lead

    NTT DATA North America (Dallas, TX)
    …OS lifecycle management. + Performance tuning and system optimization for both Windows and Linux servers. + Monitoring and logging tools: Nagios, Zabbix, ... Windows / Linux certifications. + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft...Azure Administrator Associate + Red Hat Certified System Administrator (RHCSA) + Red Hat Certified… more
    NTT DATA North America (09/03/25)
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  • Specialist, System Administration - TS/SCI…

    L3Harris (Rochester, NY)
    …Experienced Systems Administrator responsible for maintaining a mixed Windows and Linux system environment in a Citrix/Virtualized environment. ... domains in the interest of national security. Job Title: Systems Administrator - TS/SCI Job Code: 27813...Linux , VDI. + Familiarity with SCCM or other system management tools/frameworks. + Knowledge of NetApp or other… more
    L3Harris (08/22/25)
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  • Principal Cyber Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …consistent and automate baselines across multiple systems . + System Administrator Experience with Red Hat Enterprise Linux and Windows **What ... review requirements set aside by local policy for endpoint system management. + Periodically conduct a complete review of...etc.) **Preferred Qualifications:** + Working experience deploying and configuring Linux and Windows systems in… more
    Northrop Grumman (10/02/25)
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  • Systems Admin/DBA (Secret Clearance) - DC…

    General Dynamics Information Technology (Falls Church, VA)
    …management system (DBMS) products + Address all vulnerabilities identified via system scanning ** Systems Administrator Senior Advisor Requirements and ... . You will be required to carry out traditional System Administrator duties as well to include...Senior Advisor Duties and Responsibilities** + Manage and maintain Windows and Linux servers in the Azure… more
    General Dynamics Information Technology (10/01/25)
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  • System Administration - Tiered Support

    CACI International (Annapolis Junction, MD)
    …Configuration and management of UNIX, Linux , and Windows operating systems . + Installation and maintenance of operating system software and security ... of service and reliability. We're looking for a skilled System Administrator to join our team and...IT systems . We are seeking a qualified System Administrator to provide support for the… more
    CACI International (08/21/25)
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  • Systems Engineer

    SOS International LLC (Pearl Harbor, HI)
    …(Microsoft or Linux +) certification at hire, to obtain Microsoft Certified: Windows Server Hybrid Administrator or Red Hat Certified Systems ... necessary. **Preferred Qualifications** + Microsoft Certified: Windows Server Hybrid Administrator or Red Hat Certified Systems Administrator (RHCSA)… more
    SOS International LLC (09/24/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …* Proficient with Windows and Linux /Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting experience * ... MPE system anomalies and issues * Lab configuration consisting of installation of Linux and Windows operating systems in a variety of hardware to… more
    Lockheed Martin (07/26/25)
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