L3 Firewall Engineer

Job Title: L3 Firewall Engineer / Firewall SME

Experience: 8-10 Years

Location: Hyderabad

Open Positions: 2

Employment Type: Full-Time

Job Summary

We are looking for an experienced L3 Firewall Engineer / Subject Matter Expert (SME) with 8-10 years of strong hands-on experience in network security, firewall administration, and core network operations.

The ideal candidate should have extensive experience in managing, troubleshooting, configuring, and maintaining enterprise-level firewall environments, particularly with Fortinet (Mandatory) and Cisco technologies. The candidate should also have knowledge of Network Access Control (NAC), authentication, DDI, LAN, and WLAN infrastructure.

Key Responsibilities

Provide L3-level support for enterprise firewall and network infrastructure.

Design, configure, manage, and troubleshoot Fortinet and Cisco firewalls.

Handle complex firewall incidents, security policy management, rule modifications, and configuration changes.

Perform advanced troubleshooting and root cause analysis for network and firewall-related issues.

Manage and support NAC and authentication solutions using Aruba ClearPass.

Support DDI infrastructure, including DNS, DHCP, and IP Address Management (IPAM) using Infoblox.

Manage and troubleshoot LAN and WLAN infrastructure involving Cisco and Juniper technologies.

Monitor network performance, security events, and infrastructure availability.

Work on incident management, problem management, and change management activities.

Coordinate with L1/L2 teams and other infrastructure teams to resolve critical technical issues.

Ensure network security, availability, and compliance with enterprise standards.

Must-Have Skills

8-10 years of relevant core operational experience in Network and Firewall.

Strong hands-on experience in Fortinet Firewall.

Experience working as an L3 Firewall Engineer or Firewall SME.

Expertise in firewall configuration, administration, and troubleshooting.

Good understanding of Cisco networking technologies.

Exposure to NAC, DDI, LAN, and WLAN technologies.