• Windows/ Principal Windows Systems…

    Northrop Grumman (Annapolis Junction, MD)
    …Proficiency in administration and troubleshooting of desktop PCs. + Knowledge of Microsoft Active Directory and Group Policy Management, Exchange, MS SQL, and ... administration experience; Windows Server 2012/2016 experience; Group Policies (GPOs) experience; Active Directory management experience. + Ability to work in… more
    Northrop Grumman (05/30/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …training and support to VIP users on new software and hardware + Managing Active Directory and other infrastructure core services + Providing support for thin ... ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator** to join our team in...Security Clearance Requirements:** + US Citizenship required and active TS/SCI clearance adjudicated within the last 6 years.… more
    ManTech (05/24/25)
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  • Principal Engineer, IT Infrastructure…

    PenFed Credit Union (Mclean, VA)
    …and knowledge to perform all the essential job functions. + Expert knowledge in active directory (Windows 2012 through Windows 2022), DNS, OU design and ... of the PenFed family. PenFed is hiring a (Hybrid) Principal Engineer, IT Infrastructure Engineering and Operations at our...management, AD Site design, Group Policy, AD security , AD certificate services, LDAP, Global Catalog, WINS, DHCP,… more
    PenFed Credit Union (05/30/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    …Management Systems Analyst + Production Support Analyst + Systems Administrators/Engineers + Active Directory /IAM Engineer + Automation & Packaging Engineer + ... ISE Engineer + DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/Linux Systems Administrator + VPN Network Engineer + Wi-Fi Engineer +… more
    General Dynamics Information Technology (07/02/25)
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  • Exchange Engineer

    ManTech (Chantilly, VA)
    …of Microsoft Exchange Server technologies, including on-premise + Deep understanding of Active Directory , DNS, and DHCP + Experience with Exchange server ... **ManTech** seeks a motivated, career and customer-oriented ** Principal Exchange Engineer** to join our team in...Strong troubleshooting and problem-solving skills + Knowledge of email security technologies, such as email content filtering + CASP+… more
    ManTech (05/24/25)
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