System Administrator
1 day 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.
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