Position: L3 Network Engineer Location: Mumbai Employment Type: Full-Time Work Mode: On-site Required Skills: • 6+ years of experience in Enterprise Network Infrastructure • Strong experience in Cisco Nexus, Catalyst, Routing & Switching • Good knowledge of Cisco Wireless Technologies • Hands-on experience with Cisco ISE / NAC • Working knowledge of Zscaler ZIA • Experience with ISP Connectivity • Hands-on troubleshooting of Palo Alto, Fortinet, and SonicWall Firewalls Key Responsibilities: • Manage and troubleshoot L3 enterprise network infrastructure across multiple locations. • Configure and support Cisco Nexus, Catalyst, and Wireless technologies. • Handle routing, switching, ISP connectivity, and network migrations. • Manage Cisco ISE/NAC, Zscaler ZIA, and network security solutions. • Troubleshoot Palo Alto, FortiGate, and SonicWall firewalls. • Handle L3 escalations and critical network incidents independently. • Perform network implementation, configuration, maintenance, and optimization. • Ensure network availability, performance, and security.