Manage hybrid Exchange deployments and migrations to Microsoft 365. Automate administrative tasks using PowerShell and other scripting tools. Provide Tier 3 support for messaging-related incidents and service requests. Ensure high availability and disaster recovery for messaging systems. Perform regular system health checks, patching, and capacity planning. Document system configurations, procedures, and incident resolutions. Design, implement, and maintain Microsoft Exchange Server environments (2019/Online). Monitor email traffic and security logs to detect and respond to threats or anomalies. Collaborate with security teams to enforce email DLP (Data Loss Prevention), encryption, and compliance policies