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Tech lead

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LTTS India

Bangalore

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- 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.
- Conduct protocol conformance and carrier certification testing as per 3GPP and operator requirements.
- 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.
- Collaborate with chipset vendors, development teams, and carrier/operator labs to resolve issues.
- Develop and maintain test automation using Python, Robot Framework, PyTest, Shell scripting, or similar frameworks.

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Job Requirement

Python, modem

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📌 Tech lead (Bengaluru)
🏢 Lu0026T Technology Services
📍 Bengaluru