Senior Network Security Engineer

CosMicIT ???????? ???????? ???????? ????????

Full-time IT / Computing / Software
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Location
maharashtra, mumbai, India
Posted
June 10, 2026

Job Description

Senior Network & Security Engineer (12 Years) Technologies: Fortinet | Cisco | Meraki Location: Mumbai,India Experience: 12 Years Role: L3 / L4 Support Role Overview We are seeking a highly experienced Senior Network & Security Engineer with extensive hands-on expertise in Fortinet, Cisco, and Meraki technologies . The role involves designing, deploying, and supporting enterprise network and security solutions , handling critical incidents, SD-WAN transformations , and ensuring high availability, performance, and security across the infrastructure. Key Responsibilities Network & Security Operations Provide L3/L4 support for complex network and security incidents Perform advanced troubleshooting for LAN, WAN, wireless, and security issues Lead major incident management (MIM) and ensure timely resolution Perform Root Cause Analysis (RCA) and preventive actions Design & Implementation Design and implement enterprise network architectures Deploy and manage SD-WAN solutions (Fortinet / Me...