• Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO ... best. We are seeking HPC Systems Administrators to: + Support a large client- server based IT enterprise in installation, configuration, and networking of Linux and … more
    BAE Systems (09/09/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …or MCP + Must meet DoD 8750 and 8140 compliance requirements Technical Environment: + Windows Server + MCEM + MAC OS + RHEL, RedHat Enterprise Virtualization ... Senior Linux System Administrator Clearance Required:...* Certifications (Required): + CompTIA Security+ CE or CompTIA Server + CE + Red Hat Certified System Administrator… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …and any processes related to these systems. The Senior Systems Administrator will Configure and manage primarily Windows and some UNIX operating ... Senior Systems Administrator Job Category: Information...operations, monitoring and problem resolution for all of the client/ server /storage/network devices, mobile devices, etc. + Provide support for… more
    CACI International (10/30/25)
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  • Senior Cloud Systems Administrator

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based Systems ... Lifecycle Management (ELM), Riskonnect, and Tableau, among others) + Troubleshoot and support Windows and Linux-based server and applications on AWS cloud +… more
    BAE Systems (09/09/25)
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  • Senior ArcGIS Administrator

    Leidos (Fort Belvoir, VA)
    …Relational Databases (Oracle and/or PostgreSQL, Scripting (Python, PowerShell), Windows Server Administration, Incident/Ticketing System (ServiceNow, Jira). ... **Description** Leidos is seeking a ** Senior ** **ArcGIS Administrato** **r** **in Fort Belvoir, VA**...analysis, maps, services, and applications. + 2-3+ years of Windows Server experience. + 2-3 years of… more
    Leidos (10/01/25)
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  • Senior Database Administrator

    Highmark Health (Washington, DC)
    …Citizen (due to contractual/access requirements) We are seeking a Database Administrator with experience in PostgreSQL databases within Google Cloud Platform (GCP), ... as well knowledge in Microsoft SQL Server on-prem environment. This role involves comprehensive support for...and computing platform such as Z/OS, UNIX, Linux, and Windows + Take a lead role in conducting root… more
    Highmark Health (10/28/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will play a...SSP/Security support for the program in both Linux and Windows environments. + Implement, troubleshoot, and maintain IT systems.… more
    Leidos (11/15/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …configuration, and maintenance in a secure IT environment including one or more of Windows 7, Windows I 0, Windows Server 2008 R2, Windows Server ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...2012, Windows Server 2012 R2, Windows Server 2016 + Designing and operating… more
    Assertive Professionals (10/09/25)
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  • System Administrator 2

    M. C. Dean (District Of Columbia, DC)
    … Associate . Microsoft 365 Certified: Administrator Expert . Microsoft Certified: Windows Server Hybrid Administrator Associate **What we offer:** + A ... with minimal direct supervision + Proven experience as a Windows Systems Administrator , with at least 5+...5+ years in a similar role. + Proficiency in Windows Server operating systems (eg, Windows… more
    M. C. Dean (08/27/25)
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  • Senior Systems Administrator

    Indigo IT, LLC (Washington, DC)
    …vendors as needed. + Microsoft Certified Systems Engineer preferred. + Proficient in Windows Server 2012R2 or Higher. + Proficient understanding of technology ... Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services company. We… more
    Indigo IT, LLC (11/12/25)
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