• Sr. Systems Administrator (NEI-18)

    CyberData Technologies (Bethesda, MD)


    Job Title: Sr Systems Administrator (NEI-18)

     

    CyberData Technologies is seeking a Senior Systems Administrator with a strong background in Windows Server administration, vulnerability mitigation, and cloud migration. The ideal candidate will have hands-on experience with VMware environments, including ESXi host patching, and working knowledge of Nutanix hyperconverged infrastructure. Familiarity with Azure VMware Solution (AVS) is also required. This role demands a proactive problem solver capable of managing both operational and project-based tasks across hybrid infrastructure environments.

    Responsibilities:

    • Perform regular Windows Server patching across production and non-production environments.

    • Identify, assess, and remediate Windows Server vulnerabilities in alignment with organizational security standards and industry best practices.

    • Patch and maintain VMware ESXi hosts to ensure platform stability and security.

    • Manage and optimize virtual infrastructure running on Nutanix, including capacity planning, health monitoring, and performance tuning.

    • Collaborate with security teams to implement and validate mitigations for discovered vulnerabilities.

    • Troubleshoot and resolve issues related to Windows servers and hosted applications.

    • Maintain and optimize VMware infrastructure in on-premises environments.

    • Support planning and execution of on-premises to cloud migration projects.

    • Collaborate with cross-functional teams to assess application dependencies and performance requirements during cloud migration.

    • Ensure compliance with internal security and operational standards during system changes.

    • Monitor and report system performance and security posture; implement improvements as needed.

    • Manage workloads using Azure VMware Solution (AVS) for hybrid and cloud environments.

    Required Qualifications:

    • Proven experience with Windows Server patching, hardening, and vulnerability mitigation.

    • Strong troubleshooting skills with Windows servers and hosted applications.

    • Hands-on experience with VMware virtualization technologies, including vCenter and ESXi.

    • Experience patching and managing VMware ESXi hosts in production environments.

    • Experience with Nutanix infrastructure in an enterprise or production setting.

    • Demonstrated involvement in on-premises to cloud migration projects.

    • Familiarity with Azure VMware Solution (AVS).

    • Solid understanding of system security principles and best practices.

    • Strong documentation and communication skills.

    • Ability to work independently and manage multiple priorities in a fast-paced environment.

    Preferred Qualifications:

    • Relevant certifications such as MCSA, MCSE, VCP, Nutanix Certified Professional (NCP), or Azure certifications.

    • Experience in enterprise-scale infrastructure projects.

    • Familiarity with patch management automation tools and vulnerability scanning platforms (e.g., Tenable).

    • Knowledge of infrastructure monitoring tools.

    • Understanding of ITIL practices and change management.

     

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