IMS Core Support Engineer — L2/L3

L&T Technology Services Limited.; Dallas (TX); On-site; USD 110,000 - 160,000; Full time

Job summary

L&T Technology Services Limited. is seeking a skilled telecom engineer to troubleshoot IMS/LTE/5G core networks, perform root cause analysis, and support emergency activities.

The candidate should be proficient with SIP, Diameter, H.248 protocols and have hands-on experience with protocol analyzers like Wireshark, Linux scripting, and cloud/container tooling. The role emphasizes end-to-end validation, performance KPIs, and automation to streamline incident handling in a demanding telecom

Qualifications

• Engineering degree required.
• Experience with IMS VoLTE and telecom core networks.
• Strong knowledge of SIP, Diameter, and H.248 protocols.

Skills

Troubleshooting

IMS Core networks

Root cause analysis

Case handling / emergency support

SIP/Diameter/H.248 protocols

Wireshark analysis

Linux

Scripting (Shell/Python)

IMS Core products (Nokia)

Automation / tooling

Education

Engineering Degree

Tools

Kubernetes

VMware

OpenStack

Job description

L&T Technology Services Limited. is seeking a skilled telecom engineer to troubleshoot IMS/LTE/5G core networks, perform root cause analysis, and support emergency activities.

The candidate should be proficient with SIP, Diameter, H.248 protocols and have hands-on experience with protocol analyzers like Wireshark, Linux scripting, and cloud/container tooling. The role emphasizes end-to-end validation, performance KPIs, and automation to streamline incident handling in a demanding telecom