• System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …or technologies + Experience maintaining a Windows 11, and maintaining a Microsoft Active Directory and Group Policy environment + Experience with Oracle ... planning. That's why we need you, an experienced network engineer who knows how to develop the exact network...take initiative and make recommendations on existing infrastructures + TS /SCI clearance with a polygraph + HS diploma or… more
    BOOZ, ALLEN & HAMILTON, INC. (10/24/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …+ Provide administration and support for Windows Server 2022 environments, including Active Directory , and manage Windows 10/11 client systems. + Architect, ... Linux operating systems. + Experience with Windows Server 2022 administration, including Active Directory and networking + Proven experience as a System… more
    ManTech (09/10/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …& servers) where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On. + ... to include OS configuration, file sharing, DNS, DHCP, and Active Directory . + Experience granting permissions, group...(VDI Desktops). + Security Clearance Level: DOE Q or TS * Random Drug Screening* Required Skills and Abilities: Written… more
    General Dynamics Information Technology (09/16/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …+ Heavy Windows and Linux administration experience + Highly proficient with Active Directory + Experience with virtualization + Experience with PowerShell ... to TCP, IP, UDP, HTTP, DHCP, and DNS **Clearance Requirement:** + Must have a current/ active TS /SCI with Poly **Physical Requirements:** + Must be able to remain… more
    ManTech (08/23/25)
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  • Staff Solution Consultant

    Trellix (Washington, DC)
    …Exchange (TIE), and Data Exchange Layer (DXL). + You have experience with Active Directory , Databases, Virtualization, Cloud Services [i.e., AWS, Azure]) and ... comprised of Trellix and third-party technologies. The Endpoint Security Engineer (ESE) will report to the Senior Manager of...management, mitigation, and response strategies. + You hold an active TS /SCI clearance with Full Scope polygraph… more
    Trellix (11/14/25)
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  • System Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …operating systems (servers and workstations). + Perform daily operations to include Active Directory management, monitoring and reviewing system logs. + Support ... meet eligibility requirements, including US Citizenship, for access to classified information; ** active ** **DoD TS /SCI w/ polygraph clearance is required** **Key… more
    M. C. Dean (11/05/25)
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  • Cloud Innovation Solution Architect

    Leidos (Alexandria, VA)
    …including creation, configuration, upgrades, migrations, and patching. + Strong knowledge of Active Directory , Azure AD, and SAML, with a solid understanding ... obtain a Public Trust and will accept up to TS /SCI + Must, at a minimum, have one of...Developer, AWS Certified Solutions Architect (Dev/Associate), AWS Certified DevOps Engineer , AWS Certified Advanced Networking, AWS Certified Security, Azure… more
    Leidos (09/26/25)
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