System Administrator

The Systems Administrator is a technical resource responsible for the design, implementation, administration, and ongoing improvement of infrastructure and customer environments. This role focuses on VMware virtualization, Windows and Linux server platforms, and Microsoft 365 services. It acts as a Tier 3 escalation point, leads complex technical work, supports customer projects, and helps establish secure, repeatable operating standards across diverse managed environments.

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ystems Administrator

The Systems Administrator is a technical resource responsible for the design, implementation, administration, and ongoing improvement of infrastructure and customer environments. This role focuses on VMware virtualization, Windows and Linux server platforms, and Microsoft 365 services. It acts as a Tier 3 escalation point, leads complex technical work, supports customer projects, and helps establish secure, repeatable operating standards across diverse managed environments.

• Design, deploy, configure, and maintain VMware vSphere environments, including ESXi hosts, vCenter, clusters, High Availability, Distributed Resource Scheduler, virtual networking, and resource pools.
• Lead VMware lifecycle activities, including upgrades, patching, firmware coordination, compatibility review, and capacity planning.
• Develop standardized VMware configurations, operating procedures, build documentation, and technical baselines for internal and customer environments.
• Design, deploy, and administer Windows Server environments across physical, virtual, and cloud-hosted infrastructure.
• Manage Active Directory Domain Services, Group Policy, DNS, DHCP, file services, certificate services, and related identity management.
• Execute server builds, migrations, upgrades, patching, hardening, and lifecycle replacement activities.
• Design, deploy, and administer enterprise Linux servers supporting customer environments.
• Manage operating system configuration, package and patch management, authentication, permissions, storage mounts, system services, and scheduled tasks.
• Apply secure configuration standards and develop repeatable deployment and maintenance procedures for Linux environments.
• Support Linux integration with VMware, Microsoft identity services, shared storage, monitoring, and customer applications.
• Design, configure, and administer Microsoft 365 tenants, including Exchange Online, SharePoint Online, Teams, One Drive, and associated administrative services.
• Administer Microsoft Entra , hybrid identity, user and group lifecycle, role-based access, multifactor authentication, Conditional Access, and application integrations.
• Support Microsoft Intune, endpoint configuration, device compliance, application deployment, and security baselines.
• Lead Microsoft 365 tenant onboarding, migrations, service improvements, and complex issue resolution for customers.
• Act as a Tier 3 escalation point for complex VMware, Windows Server, Linux Server, Microsoft 365, and identity-related incidents.
• Lead technical investigation, root cause analysis, corrective action planning, and knowledge transfer following significant incidents.
• Participate in customer discovery, technical scoping, solution design, implementation planning, and project delivery.
• Provide clear customer communications, technical recommendations, implementation records, and service transition documentation.
• Improve monitoring, alerting, health checks, and operational reporting for server, virtualization, identity, and Microsoft 365 platforms.
• Use Power Shell, shell scripting, Python, and other automation tools to standardize deployments, reduce repetitive work, and improve service consistency.
• Create and maintain architecture…