L3 Firewall Engineer

WillWare Technologies; Hyderabad; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

WillWare Technologies in Hyderabad seeks an experienced L3 Firewall Engineer/SME with 8-10 years of hands-on network security leadership. The role focuses on Fortinet and Cisco firewall environments, NAC, DDI, and LAN/WLAN infrastructure, ensuring robust security and uptime.

Ideal candidates will manage complex incidents, policy changes, and collaborate with cross-functional teams to maintain enterprise-grade security and operational resilience.

Qualifications

• 8-10 years of core network and firewall operations experience.
• Hands-on Fortinet firewall administration and troubleshooting.
• Experience with NAC, DDI, LAN and WLAN infrastructure.

Responsibilities

• Provide L3-level support for enterprise firewall and network infrastructure.
• Design, configure, manage, and troubleshoot Fortinet and Cisco firewalls.
• Handle complex firewall incidents and security policy changes.
• Perform advanced troubleshooting and root cause analysis for network issues.
• Coordinate with L1/L2 teams to resolve critical issues.
• Ensure network security and compliance with enterprise standards.

Skills

Fortinet firewall

L3 Firewall Engineer

Cisco networking

NAC

DDI

LAN/WLAN

Troubleshooting

Firewall policy management

Tools

Fortinet FortiGate

Cisco Firewalls

Aruba ClearPass

Infoblox

Juniper devices

Job description

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.