Job Description

Key Responsibilities

Provide L3 support for EPC/5G Core elements such as MME, SGW, PGW, PCRF/PCF, HSS/UDM, AMF, SMF, and UPF.
Troubleshoot complex network issues using protocol analysis and logs.
Perform RCA and drive resolution of critical incidents.
Support upgrades, patching, migrations, and change implementations.
Monitor KPIs, network performance, and service availability.
Coordinate with customers, operations, engineering, and vendors.

Required Skills

Strong knowledge of LTE EPC, 5G Core, VoLTE, Diameter, GTP, PFCP, SCTP, and TCP/IP.
Hands-on experience with Linux and packet tracing tools such as Wireshark/TCPDump.
Experience with telecom vendors like Ericsson, Nokia, Huawei, Cisco, or Mavenir.
Knowledge of virtualization/cloud technologies and automation (Python/Shell scripting) is preferred.

More Info

Job Type:

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Key Skills

ran network

packet tracing tools

Troubleshooting

5g core

Volte

lte epc

pfcp

mobile core

About 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

Last Updated: 10-11-2026 06:31:49 PM