Delivered Tier 1 technical support for multiple client environments, managing a high volume of service requests through a centralized ticketing system while meeting defined SLAs.Performed Active Directory user administration across multiple domains, including password resets, account unlocks, group membership changes, and user onboarding/offboarding.Supported Microsoft 365 tenants for multiple clients, assisting with Outlook configuration, mailbox access, licensing, and basic tenant-level troubl