System administrator

3 days ago

Chennai, India Everrenew Full time

Job Title: System Administrator Location: Head Office, Chennai Perungudi Department: IT Experience: 8-10 years Job Summary: This position will manage and support our IT infrastructure across multiple sites and will have strong hands-on experience in Active Directory , Microsoft 365 , Entra ID , Endpoint Security , and Firewall management , along with a robust understanding of enterprise communication systems and internal application support. Key Responsibilities: 1. Active Directory & Identity Management Manage and maintain Active Directory , user provisioning, de-provisioning, and group policies. Administer Microsoft Entra ID (Azure AD) for identity and access management. Monitor and enforce security policies, including MFA and conditional access. 2. Microsoft 365 (O365) Administration Manage and support O365 mailboxes , distribution groups, shared mailboxes, and licenses. Troubleshoot email flow, spam filtering, and mobile device configurations. Coordinate with Microsoft support for escalated issues. 3. Endpoint Security (Sentinel EDR) Deploy and monitor Microsoft Defender for Endpoint / Sentinel EDR solutions. Respond to endpoint-related threats, alerts, and ensure compliance across devices. 4. Email Security – Barracuda Manage Barracuda Email Protection for inbound and outbound filtering. Monitor quarantine reports, email delivery issues, and user policy enforcement. 5. Network and Site Coordination Coordinate IT infrastructure and connectivity across all office sites . Collaborate with vendors/ISPs for uptime, network health, and issue resolution. Monitor and troubleshoot LAN/WAN performance issues. 6. Firewall Administration – Forti Gate Manage and configure Forti Gate firewalls including rules, policies, VPNs, and security profiles. Perform regular firewall log reviews and ensure perimeter security. 7. Communication Systems (EPABX) Administer and support EPABX systems – configuration, call routing, extensions, and voice support. Liaise with telecom vendors for service and maintenance. 8. VIP User Support Provide high-priority, white-glove support for executive/VIP users for all system-related needs. Ensure quick resolution, minimal downtime, and proactive monitoring. 9. Internal Application Support Support internal business applications used by various departments. Coordinate with vendors/developers for bug fixes, updates, and enhancements. Assist users with login, access, performance, and usage issues.

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