System Administrator

Job Title: System Administrator

Location: Head Office, Chennai Perungudi

Department: IT

Experience: 8-10 years

Job Summary:

Active Directory

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.