Systems Administrator III

Responsibilities: Administer and maintain Windows server and desktop environments to ensure stable, secure, and efficient day-to-day operations. Manage identity and access services across on-premises Active Directory, Group Policy, and Entra ID to support user lifecycle and policy enforcement. Develop and use PowerShell scripts to automate routine administration, streamline support tasks, and improve operational consistency. Support a broad Microsoft ecosystem that may include Intune, Azure, SharePoint, virtualization platforms, SaaS applications, and endpoint management tools. Monitor infrastructure health, troubleshoot technical issues, and resolve escalated incidents involving systems, access, performance, and connectivity. Contribute to IT planning by recommending infrastructure improvements, aligning technical solutions with operational goals, and supporting long-term system strategy. Apply best practices for security, storage, backup, disaster recovery, and data protection to strengthen resilience and reduce operational risk. Assist with advanced infrastructure technologies such as clustering, Hyper-V, and related Microsoft platform services when required.