Exchange Administrator

Specializing in hybrid setups and Exchange Online, manage, configure, and secure enterprise messaging systems. In order to guarantee 99.9% communication availability and regulatory conformance, core responsibilities include the management of user mailboxes, the routing of mail flow, the implementation of anti-spam/anti-malware filters, and the automation of PowerShell.
Main Duties • Mailbox and Group Management: Establish and configure Microsoft 365 groups, shared mailboxes, resource rooms, and user mailboxes. Establish policies regarding delegation, archiving, and retention. • Hybrid & Migration Operations: Execute tenant-to-tenant or on-premises to cloud migrations, as well as maintain hybrid coexistence configurations, connectors, and Autodiscover. • Security & Compliance: Utilize Microsoft Purview to enforce email authentication protocols (SPF, DKIM, DMARC), anti-spam/malware filters, and data loss prevention (DLP) rules. • Troubleshooting & Monitoring: Monitor service health dashboards, diagnose mail flow bottlenecks, and resolve client connectivity errors (Outlook, mobile ActiveSync, OWA). • Automation: Develop and execute PowerShell scripts for routine administrative tasks, reporting, and bulk user provisioning.