Telephony IMS Tester

HCLTech is looking to hire a Telephony IMS Tester for an ongoing engagement with our client who is the largest online search platform company.

Job Description:

Understanding of 5GNR/LTE/UMTS 3GPP Air interface specifications. Network Carrier Testing Experience, LTE, 5G-NR protocol knowledge at UE side (L1/L2/L3)

Hands-on experience and knowledge of 3GPP (UMTS & LTE) Layer 2 and Layer 3 protocol and call processing

IMS/VoLTE Experience is a must. Network Carrier Testing Experience, LTE, 5G-NR protocol knowledge at UE side (L1/L2/L3)

Must have knowledge of 3GPP IMS core standards. Network Carrier Testing Experience, LTE, 5G-NR protocol knowledge at UE side (L1/L2/L3)

Good at Debugging and root causing the issues

Exposure to commercial test simulators and test systems such as: Keysight, R&S, Spirent and Anritsu for wireless telephony product verification

Familiarity with RF testing, test hardware, mobile phone testing including hardware and android software

Nice to have test automation and python scripting skill

Good understanding of 3GPP2 CDMA and 3GPP 5G/4G/3G/2G systems

Good understanding of Telephony and protocol stack service

Knowledge of QXDM logs and ADB Commands (must)