A reputable hospitality organization in Abu Dhabi is seeking an experienced Senior Server Administrator to join its IT Infrastructure team. This role is responsible for managing and maintaining the organization's Microsoft server environment, ensuring high availability, security, and optimal performance of critical business systems. The successful candidate will have extensive experience in Microsoft server administration, Active Directory, and Microsoft Dynamics 365, with the ability to support enterprise-level infrastructure and business applications. Key Responsibilities Administer, maintain, and optimize the organization's Microsoft server infrastructure. Manage Active Directory, including user accounts, group policies, organizational units, and security permissions. Support and maintain Microsoft Dynamics 365 and related Microsoft business applications. Monitor server performance, system availability, and infrastructure health to ensure uninterrupted business operations. Perform s...