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Senior network security engineer

Company

CosMicIT

Location

mumbai, maharashtra

Posted

June 09, 2026

Position Overview

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
D...

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