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Chennai, Tamil Nadu, India Everrenew Full timeJob Title: System AdministratorLocation: Head Office, Chennai PerungudiDepartment: IT Experience: 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...

System Administrator
4 weeks ago
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 – 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.