HCLTech is looking to hire a Telephony Modem Tester for an ongoing engagement with our client who is the largest Online Search Platform Company.
Role and Responsibilities
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
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