• VMWare Administrator

    Arena Technical Resources, LLC (Annapolis Junction, MD)
    …with Full Scope Polygraph clearance Job Description: Candidates must have an active Top Secret /SCI Clearance with a Full Scope Polygraph. Onsite in Annapolis ... Junction, MD Role Responsibilities: We are looking for a senior level system administrator /engineer with deep knowledge and experience with VMWare. This role… more
    Arena Technical Resources, LLC (11/17/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide… more
    CACI International (10/30/25)
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  • Sr. System Administrator - VDI

    Leidos (Odenton, MD)
    …working with virtual environments using VMware and VDI practices + Currently possess an active Top Secret security clearance with the ability to obtain a Top ... **Description** The Defense group at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily on the customer site at Ft… more
    Leidos (10/21/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... incidents and performing root cause analysis + Administer and troubleshoot various Linux distributions (eg, Ubuntu, CentOS, RHEL) within both cloud and on-premise… more
    ManTech (09/10/25)
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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...Administration and SSP/Security support for the program in both Linux and Windows environments. + Implement, troubleshoot, and maintain… more
    Leidos (11/15/25)
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  • 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 ... large client-server based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running Red Hat,… more
    BAE Systems (09/09/25)
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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides support ... and performance. Candidates should have the following qualifications: + TS /SCI with Full Scope poly is required. + Bachelor's...required to have the following skills: + Experienced with Linux , Windows, VMWare + Support the development of Service… more
    Belay Technologies (11/19/25)
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  • Senior ServiceNow Systems…

    SAIC (Annapolis Junction, MD)
    **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many ... involved in the resolution process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    SAIC (11/06/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA provides support for implementation, ... improve reliability and performance. Candidates should have the following qualifications: + TS /SCI with polygraph is required. + Bachelor's Degree in a technical… more
    Belay Technologies (11/19/25)
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  • Assured Compliance Assessment Solution (ACAS)…

    FGS, LLC (Suitland, MD)
    Assured Compliance Assessment Solution (ACAS) Senior AdministratorSuitland, MD **Requires US Citizenship Yes** **Employment Term and Type: Regular, Full Time** ... **Required Security Clearance: TS /SCI** **Required Education: Bachelor's degree or equivalent experience** **Salary...+ Five years of experience administering Red Hat Enterprise Linux , the ACAS host operating system, to include: +… more
    FGS, LLC (11/13/25)
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