• Microsoft Exchange

    General Dynamics Information Technology (Chantilly, VA)
    …**US Citizenship Required:** Yes **Job Description:** We are seeking highly motivated Microsoft Exchange and Messaging engineers and architects with ... to management and/or clients + Plans and directs upgrades of Microsoft Exchange infrastructure and related components in the area of Active Directory,… more
    General Dynamics Information Technology (08/12/25)
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  • M365 Sr. Exchange Engineer

    CACI International (Arlington, VA)
    M365 Sr. Exchange Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage ... Local * * * **The Opportunity:** As a Sr. Microsoft 365 engineer , you will be part...complex incidents. **Responsibilities:** * Provide end-to-end service support for Microsoft 365 and Exchange Online * Participate… more
    CACI International (10/16/25)
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  • Exchange Engineer - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …problems of moderate scope and complexity. + Administering large deployments of Microsoft Exchange environments and messaging systems; including ... today is safe and tomorrow is smarter. Our work depends on an Exchange Engineer joining our team to support Government activities in Washington, DC, Sterling,… more
    General Dynamics Information Technology (10/15/25)
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  • Sr M365 Platform Engineer

    PenFed Credit Union (Mclean, VA)
    …SMTP, messaging security, email retention and discovery. + Knowledge of Microsoft Exchange and its interaction with Active Directory / Azure AD. ... as assigned. + Manage the enterprise Active Directory and Microsoft 365 environments including Exchange , Azure AD...train others on the features and best practices of Microsoft 365 messaging , creating a secure, sustainable,… more
    PenFed Credit Union (10/15/25)
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  • Senior Integration Engineer

    Leidos (Reston, VA)
    **Description** We are seeking an accomplished Senior Integration Engineer with proven expertise in delivering enterprise-grade integration solutions across diverse ... management, address validation, Identity management platforms like Okta, Salesforce and Microsoft Dynamics CRM using MuleSoft Anypoint Platform, API Manager, … more
    Leidos (10/11/25)
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  • Technical Account Manager

    Proofpoint (Alexandria, VA)
    …Linux, SMTP, and MySQL. + Working knowledge of Windows, Active Directory, and Microsoft Exchange . + Very strong customer service and excellent communications ... excellent technical and security software foundation, especially related to Linux, messaging , and cloud services, a proven track record of successfully interfacing… more
    Proofpoint (10/23/25)
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  • EDM Master Applications Developer

    First Division Consulting (Quantico, VA)
    …Oversee the engineering, deployment, and maintenance of enterprise-level Active Directory, Microsoft Exchange , SAN, and Virtualization environments. + Provide ... least five (5) years of experience supporting enterprise-level Active Directory, Microsoft Exchange , SAN, and Virtualization environments. + Information… more
    First Division Consulting (10/16/25)
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  • Sr. Program Manager

    NANA Regional Corporation (Quantico, VA)
    …years demonstrated experience supporting a DoD C4 environment consisting of Active Directory, Microsoft Exchange , SAN, and virtualized systems + Ability to drive ... + TS/SCI Clearance. + IAT level III. + ITIL v3 Foundation. + Microsoft Certified Systems Engineer (MCSE). **Desired Qualification:** + Experience serving as… more
    NANA Regional Corporation (10/08/25)
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