M365 System Administrator
At Oak Ridge National Laboratory (ORNL), I managed and administered Office 365 tenants, overseeing user provisioning, license management, and access controls to ensure secure and efficient collaboration across teams. • Actively monitored and maintained the health, performance, and security of Office 365 services, optimizing them to meet the rigorous standards required to support the lab’s critical research and operations. • Configured and troubleshooted Exchange Online, managing mail flow and mailbox migrations for ORNL’s large and distributed user base. My responsibilities also included administering SharePoint Online and OneDrive for Business, handling site collections, permissions, and document management to facilitate secure data sharing and collaboration on research projects. • Provided advanced support for Office 365 applications and resolved Outlook-related issues to ensure seamless communication across the lab, while collaborating with IT teams to integrate Office 365 services with on-premises systems and third-party applications, maintaining a cohesive IT infrastructure. • Developed and maintained documentation, policies, and procedures tailored to ORNL’s unique needs, ensuring consistent and secure use of Office 365 services.