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)

- Solid 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)
- Strong hands-on experience with BGP (eBGP/iBGP, route reflectors, route policies, path attributes) in Data Centre environments
- Working knowledge of VXLAN overlay networking (VTEPs, VNI mapping, underlay/overlay design) and EVPN as its control plane, including MAC/IP route advertisement and multi-tenancy
- Understanding of Spine-Leaf Data Centre fabric architectures built on BGP EVPN VXLAN
- Expertise in VPN technologies (Site-to-Site, IPSec, SSL VPN, Remote Access VPN)
- Experience with network security concepts NAT, ACLs, IPS/IDS, DMZ architecture, Zone-Based Firewalls
- Proficiency in troubleshooting network connectivity, latency, and performance issues at L3 level
- Sound knowledge of network monitoring tools (SolarWinds, PRTG, Nagios, or similar)

Disclaimer: This has been sourced from a public domain and may have been modified by Naukri.com to improve clarity for our users. We encourage job seekers to verify all details directly with the employer via their official channels before applying.

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