Tech lead
BengaluruFull-timeSenior levelPosted 2 months ago
Senior software engineering role at L&T Technology Services in Bengaluru.
About the role
Perform end-to-end validation of 4G LTE and 5G NR modem features in SA/NSA deployments. Execute functional, regression, interoperability, performance, and carrier acceptance testing. Analyze protocol logs and debug issues involving RRC, NAS, IMS, SIP, PDCP, RLC, MAC, and PHY layers. Validate VoLTE, VoWiFi, VoNR, IMS, NTN, Carrier Aggregation, Mobility, Handover, Network Slicing, and emergency services features.
What you'll do
- Perform end-to-end validation of 4G LTE and 5G NR modem features in SA/NSA deployments
- Execute functional, regression, interoperability, performance, and carrier acceptance testing
- Analyze protocol logs and debug issues involving RRC, NAS, IMS, SIP, PDCP, RLC, MAC, and PHY layers
- Work with test platforms such as Anritsu MT8000A/MD8430/ME7834, Spirent, Keysight UXM/PXT, and R&S CMW/CMX
- Perform root cause analysis using QXDM, QCAT, Wireshark, PA3, and other protocol analysis tools
What you need
- Python
- Unit testing
- Shell scripting
- Root cause analysis
- Test automation