About The Company

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

Senior Network Engineer – IT Operations & Infrastructure

Purpose Of Role

Provide L3 ownership for network infrastructure, including incident escalations, troubleshooting, routing, switching, security hardening and firmware upgrades.

Key Responsibilities

L3 troubleshooting for Cisco & Fortinet based networks, prepare RCA for major incidents, support service restoration.
VLAN, routing (OSPF/BGP/EIGRP), firewall (Fortinet Policy & Rule Mgmt) and VPN (IPSec / SSL) administration.
Security: firewall rule reviews, segmentation, vulnerability remediation and PT remediation.
Upgrades & migrations: perform device firmware upgrades (IOS, NX-OS), network migration activities, and technology refresh projects.
Monitoring: review escalations from L1 monitoring tools (e.g.



SolarWinds), perform network event analysis and capacity trend forecasting.
Documentation: maintain configuration documents, update HLD/LLD and operational runbooks/SOP.

Required Experience & Skills

5–8 years of Cisco switching/routing and Fortinet firewall administration in enterprise networks.
Strong knowledge of network security, VPN technologies, QoS, firewall mgmt and MPLS architectures.
Proficiency with network monitoring and trending tools; experience with RCA & SLA compliance.

Preferred Certifications & Qualifications

CCNA (minimum), ideally CCNP (ENARSI, DC)
Fortinet NSE (levels 4–7)
ITIL Foundation

Competencies

Technical ownership and accountability
Robust communication and documentation skills
Ability to mentor junior staff
Analytical thinking and decision-making

Reporting Relationships

Reports to Network Team Lead; coordinates with Security and Monitoring teams.

📌 Assistant Manager (Chennai)
🏢 Tata Communications
📍 Chennai