• Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …17 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Sr Principal Systems Engineer - Active Directory - Active ... opportunity to make a personal impact as a **Sr** ** Principal Systems Engineer** **- ACTIVE DIRECTORY...provide comprehensive security and management across multiple Active Directory forests. + Continually monitoring the… more
    General Dynamics Information Technology (07/07/25)
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  • Sr Principal Systems Engineer - LINUX…

    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. + ... acquire DoD Instruction 8570 Level II Certification within 6 months of assignment. + ** Security Clearance Level:** Active Top Secret with SCI eligibility and a… more
    General Dynamics Information Technology (07/07/25)
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  • Principal Architect - LINUX - Active…

    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. + ... acquire DoD Instruction 8570 Level II Certification within 6 months of assignment. + ** Security Clearance Level:** Active Top Secret with SCI eligibility and a… more
    General Dynamics Information Technology (06/25/25)
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  • Principal Cyber Security Developer

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Cyber Security Developer** to join our team in **Chantilly, VA.** Principal Cyber ... Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy high-quality cyber… more
    ManTech (07/04/25)
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  • Sr Principal Windows Systems Administrator

    Northrop Grumman (Dulles, VA)
    …+ Experience with designing Windows domain architectures, including but not limited to Active Directory , GPOs, Policies, and permissions + Candidates must have a ... is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure...10 years of Windows Server Administration to include VMWare, Active Directory , and Group Policy in a… more
    Northrop Grumman (07/11/25)
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  • System Engineer, Principal

    Amentum (Fort Meade, MD)
    …system requirements. + Manage and maintain an IT enterprise centered around Microsoft Active Directory , Microsoft Exchange, and related products. + Design and ... **Requirements:** + Experience with Windows Server 2019, Citrix XenDesktop, VMware ESXi, Active Directory , SAN, SQL 2012/16, VCP 7.X + Demonstrated experience… more
    Amentum (06/11/25)
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  • Lead Principal Systems Engineer

    ManTech (Chantilly, VA)
    …HPAC Secure Printing, HP Blade Servers, HP SANs, Certificate Services, DHCP, DNS, Active Directory , Group Policies and Microsoft Windows Operating Systems + ... Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory , and workstation and server hardware; administering… more
    ManTech (07/01/25)
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  • Principal Cyber Support Developer

    ManTech (Chantilly, VA)
    …v8.0. Experience with Windows Server 2016, Windows Server 2019, Active Directory , Server Roles, Access Rights and Security Groups. TCP/IP networking, 802.1x ... ManTech seeks a motivated, career and customer-oriented ** Principal Cyber Support Developer** to join our team...Detect, Respond, Recover) customer mission goals. + Apply system security engineering expertise in one or more of the… more
    ManTech (05/30/25)
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  • Principal Software Engineer - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …and manage secure Microsoft services in cloud and hybrid environments, including Active Directory , Exchange, SharePoint, and Skype for Business. + Automate ... of PLx (Protection Level X)! We are seeking a ** Principal Software Engineer** to join our team! PLx is...Enclaves, the cornerstone and foundation that provides the isolation, security and compliance required for the sensitive mission workloads.… more
    Microsoft Corporation (07/10/25)
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  • Sr. Principal MS Exchange Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …Domains in effective operations to include advanced knowledge of the following: + Active Directory (AD) deployment, maintenance and support. + Group Policy ... understanding of Exchange architecture and protocols. + Proficiency in PowerShell scripting, Active Directory , and related technologies. + Experience with hybrid… more
    Northrop Grumman (05/29/25)
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