• Microsoft Endpoint Configuration Manager (MECM)…

    Amentum (Warrenton, VA)
    …is to support , operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, ... integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key...handoff and sustainment by the operations team. + Provide Tier 3 support to assist the operations… more
    Amentum (06/27/25)
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  • Junior Helpdesk Support Services Specialist

    Chenega Corporation (Fort Belvoir, VA)
    …that have authorized access to the network . + Escalate the issue/problem to proper Tier 2 or 3 Support team members when the restoration is beyond the scope ... Helpdesk Support Services Specialist Ft. Belvoir, VA Join our Talent Network Junior Helpdesk Support Services Specialist Ft. Belvoir, VA C-CHR-24-047… more
    Chenega Corporation (06/02/25)
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  • Systems Administration (Windows)- US…

    NTT America, Inc. (Newport News, VA)
    …standards. + Troubleshooting & Support : Provide Tier 2/3 technical support , diagnosing and resolving system / network issues efficiently. + Performance ... and contribute to security best practices. **Key Responsibilities** + Windows System Administration: Maintain, upgrade, and support Windows Server environments,… more
    NTT America, Inc. (06/19/25)
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  • NITE System Administrator IV

    Huntington Ingalls Industries (Virginia Beach, VA)
    …+ Apply patches and implement DoD Security Technical Implementation Guides (STIGs) across systems + Monitor performance and troubleshoot Tier 2 technical issues ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    Huntington Ingalls Industries (08/08/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …and resolve complex technical issues related to system configurations and network connectivity for Range POR systems + Ensure compliance with security ... **Responsibilities include but are not limited to:** + Provide Tier 3 technical remote and onsite support ...High School Diploma and 5+ years of relevant IT systems experience + Experience in system administration,… more
    ManTech (08/02/25)
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  • Senior Systems Engineer (NonStop)

    Fiserv (Richmond, VA)
    …technical research in order to assess system performance and capacity) + Provide Tier 2 and 3 support for the entire infrastructure + Perform daily ... impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Systems Engineer (NonStop) **About your role:** We are seeking a Senior Systems more
    Fiserv (07/04/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …& Qualifications** **RESPONSIBILITIES** + Manage, maintain, deploy, troubleshoot, and support Red Hat Enterprise Linux, Oracle Enterprise Linux, and Solaris ... UNIX servers. + Monitor and tune system performance to ensure optimal operations across a mixed...tools to guide problem identification and resolution. + Provide support and periodic preventive maintenance in a data center… more
    TekSynap (07/26/25)
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  • Information Systems Security Officer- ISSO

    CACI International (Chantilly, VA)
    …None * * * **The Opportunity:** CACI is searching for an **Information Systems Security** **Officer** **(ISS** **O** **)** to support a worldwide engineering, ... Information Systems Security Officer- ISSO Job Category: Information Technology...will be responsible for operations, future technologies, engineering and Tier 2/3 support , break/fix, and tech refresh… more
    CACI International (07/16/25)
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  • Enterprise Systems Engineer

    ManTech (Mclean, VA)
    …needs and requirements and meet business goals + Oversee the day-to-day operation of Tier 1 - 3 support as needed (troubleshooting, problem resolution support ... and network security + Solid understanding of server operating systems (Linux, Windows) + In-depth understanding of communication protocols and routing protocols… more
    ManTech (05/20/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …and resolve complex technical issues related to system configurations and network connectivity for Range POR systems + Ensure compliance with security ... **MANTECH** seeks a motivated, career and customer-oriented ** Systems Administrator** to join our team onsite in...**Responsibilities include but are not limited to:** + Provide Tier 3 technical remote and onsite support more
    ManTech (08/09/25)
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