Senior System Administrator

Responsibilities • Administer, configure, maintain, and provide ongoing support for Microsoft 365 services, including Exchange Online, OneDrive, and Microsoft Teams. • Manage Active Directory environments, including user account provisioning, access permissions, group policies, and account administration. • Implement, monitor, and maintain Microsoft 365 security and compliance controls, including Multi-Factor Authentication (MFA), Conditional Access, Microsoft Defender, and Data Loss Prevention (DLP). • Manage and support network infrastructure, including firewalls, site-to-site VPNs, and remote-access VPN connectivity. • Provide technical and desktop support to end users for Windows devices, Microsoft Office applications, printers, and other peripherals. • Monitor the performance and availability of servers, endpoints, and related IT systems, and troubleshoot technical issues when required. • Support Microsoft 365 deployment, migration, configuration, and tenant administration activities. • Perform regular system maintenance, including patch management, backup, recovery, and system updates. • Maintain accurate and up-to-date IT documentation, including system configurations, procedures, technical records, and operational guidelines. • Coordinate with external vendors and internal stakeholders to resolve technical issues and ensure smooth day-to-day IT operations. Requirements • Minimum Diploma in Computer Science, Information Technology, or a related discipline. • Hands-on experience in monitoring, administering, and maintaining Microsoft 365 email systems, particularly Exchange Online. • Preferably 3–5 years of relevant experience in system administration, IT infrastructure, IT operations, or cybersecurity. • Strong working knowledge of Microsoft 365 administration and Microsoft Office applications. • Experience with Active Directory, network infrastructure, firewalls, VPNs, endpoint administration, and IT security controls is preferred. • Good troubleshooting and problem-solving skills with the ability to identify and resolve system and user-related issues. • Good verbal and written communication skills.