System Administrator

4 days ago

Chennai, India Everrenew Full time

Job Title: System AdministratorLocation: Head Office, Chennai PerungudiDepartment: ITExperience: 8-10 yearsJob 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 – FortiGate- Manage and configure FortiGate 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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