High Salary System Administrator

4 weeks ago

Chennai, Tamil Nadu, 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 – 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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