L3 Network Engineer(Firewall)

Movate; Chennai District; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

A leading technology services firm in Chennai is seeking an experienced L3 Network Support Engineer. You will provide advanced operational support and technical leadership for enterprise network and voice infrastructure. The ideal candidate should have over 7 years of experience in Network Operations/Engineering, with skills in routing, switching, and troubleshooting in a 24x7 production environment. This full-time position is tailored for mid-senior level professionals in the Information Technology function.

Qualifications

• 7+ years in Network Operations/Engineering.
• Experience handling L3 escalations in managed services.
• Support of 24x7 production environments.

Responsibilities

• Act as the highest level of escalation within Network Operations.
• Ensure stability and performance across LAN, WAN, Wireless, Voice.
• Collaborate with various teams and stakeholders.

Skills

Enterprise networking

Routing & Switching (TCP/IP, BGP, OSPF, VLANs)

SD-WAN and VPN technologies

Wireless architectures

Voice technologies

Networking troubleshooting tools

Cloud networks (AWS/Azure)

Job description

Job Overview

We are seeking an experienced L3 Network Support Engineer responsible for delivering advanced operational support, engineering expertise, and technical leadership for our client’s enterprise network and voice infrastructure.

Responsibilities

• Acts as the highest level of escalation within Network Operations.
• Ensures stability, performance, security, and continuous improvement across LAN, WAN, Wireless, Voice, and cloud-connected environments.
• Collaborates closely with Service Desk, L2 teams, Field Services, Cloud Operations, Cybersecurity, and client stakeholders.
• Plays a critical role during transitions, steady‑state operations, major incidents, and change initiatives.

Technical Skills

• Strong hands‑on experience in enterprise networking
• Routing & Switching (TCP/IP, BGP, OSPF, VLANs)
• SD‑WAN and VPN technologies
• Wireless architectures
• Voice technologies
• Integration with network infrastructure
• Experience with network monitoring and troubleshooting tools
• Exposure to cloud‑connected networks (AWS/Azure connectivity is a plus)

Experience

• 7+ years in Network Operations/Engineering
• Proven experience handling L3 escalations in managed services or enterprise environments
• Support of 24x7 production environments for geographically distributed users
• Prior experience working with international (US) clients is preferred

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Information Services

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