• Senior Microsoft 365 Administrator

    Insight Global (Herndon, VA)
    Job Description The Senior Microsoft 365 Administrator will serve as the technical lead and subject matter expert responsible for overseeing the architecture, ... a forward-thinking technologist with deep expertise in Microsoft 365, experience driving enterprise -level projects, and a passion for maximizing the value of cloud… more
    Insight Global (10/03/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an important US ... meet its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data system supporting a high visibility… more
    RTX Corporation (09/26/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare ... models future environments, requirements, and capabilities, and then secures the enterprise from internal and external threats compliant with Federal, State, and… more
    SimIS Inc. (08/07/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... + Provide expert support in the administration and maintenance of the Enterprise Linux infrastructure + Provide support in information security system requirements… more
    Leidos (07/29/25)
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  • Senior Database Administrator

    Zoom (Richmond, VA)
    What you can expect As a Database Administrator at Zoom, you will ensure the performance, integrity, and security of our databases. In this way, you will be a ... technologies and to contribute to the success of mission-critical applications . Responsibilities + Installing, configuring, and maintaining MySQL database servers… more
    Zoom (09/09/25)
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  • Senior PKI Administrator

    GovCIO (Arlington, VA)
    …referral to this job (https://careers-govcio.icims.com/jobs/6546/ senior -pki- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** ... **Overview** GovCIO is currently hiring for a SeniorPKI Administrator with an active Secret clearance to issue and maintain a federal customer's Public Key… more
    GovCIO (09/04/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …**RESPONSIBILITIES** + Manage, maintain, deploy, troubleshoot, and support enterprise storage systems and associated server environments. + Collaborate ... existing infrastructure. + Ensure the security, stability, and high availability of enterprise data storage systems. + Maintain storage and network policies and… more
    TekSynap (07/26/25)
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  • Senior Cybersecurity Internal Controls…

    TekSynap (Radford, VA)
    …DoDI 8500.01, DoDI 8510.01, and AR 25-2 cybersecurity policies. + Deliver Enterprise eMASS and Risk Management Framework (RMF) services, including development and ... a focus on RMF and internal controls. + Extensive hands-on experience with Enterprise eMASS and RMF implementation and maintenance. + Proficient in developing RMF… more
    TekSynap (07/26/25)
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  • Senior Cybersecurity Incident Response…

    TekSynap (Radford, VA)
    …and related cryptographic services. + Monitor and enforce DoD and Army web application security standards and best practices. + Review and respond to Army Cyber ... in Software Assurance (SwA) reviews to validate audit logs and application security events. + Evaluate Information Systems Design Plans, architecture diagrams,… more
    TekSynap (07/26/25)
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  • Senior Cybersecurity Internal Controls…

    TekSynap (Radford, VA)
    …the ability to work across multi-functional teams. + Familiarity with Army enterprise monitoring tools and security management practices. + Knowledge of security ... or equivalent years of relevant experience. **Overview** We are seeking a Senior Cybersecurity Network Defense Administratorto join our team supporting an ITES task… more
    TekSynap (07/26/25)
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