Senior Network Security Engineer

CosMicIT
Full-time Mumbai, Maharashtra Computer Occupations
Posted:
June 14, 2026
Location:
Mumbai, Maharashtra, India

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

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Job Overview

Job Type: Full-time
Location: Mumbai, India
Posted: June 14, 2026
Deadline: July 24, 2026