Job Summary

Job Title: Network Security Engineer L3 Service Operations

Location: Mumbai

Type: Onsite, Rotational Shift (24 7)

Job Level: L3

Reporting to: Team Lead

As a Network and Firewall L3 Engineer, you will assist in monitoring, maintaining, optimizing, and performing advanced-level troubleshooting on network and firewall infrastructure, ensuring system stability and security. This role is ideal for someone looking to gain hands-on experience in network administration, firewall management, and advanced troubleshooting. The position requires onsite presence at both Data Centre (DC) and Office locations.
Responsibilities
Carry out advance level configurations and troubleshooting on Network switches, Router and Firewall and networking technologies such as EVPN BGP, VXLAN, SSL VPN, IPSEC VPN, BGP.
Extend technical support to L1, L2 and clients over the email, tickets, phone and other communications channel
24 7 Availability
Provide response resolutions to Incidents, Requests, Changes, Problems as per SLA in case required escalate as per escalation matrix




Handle escalations, Severity Incidents, Critical Projects
Work on SIP s, Assignments
Adhere to process procedures
Manage Maintain availability uptime of infrastructure
Prepare Handover checklist, POA, shift reports, KEDB, SOPs, Documentation
Collaborate with other team members and other teams to provide resolutions
Ensure all task, work done are captured in ticketing systems and are updated accordingly
Ensure earlier resolutions to the issue to meet SLA.Experience handling escalations and providing L3-level support/RCA (Root Cause Analysis) for critical incidents.
Primary Skills (Must Have)
Robust hands-on experience in configuring, managing, and troubleshooting firewalls (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower, Check Point)
In-depth knowledge of routing and switching concepts (OSPF, BGP, EIGRP, VLANs, STP)
Solid hands-on experience with BGP (eBGP/iBGP, route reflectors,

📌 Network Security Engineer Mumbai (India)
🏢 Neysa Networks
📍 India