Job TitleUnderstanding 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 processingIMS/VoLTE Experience is a mustMust 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 issuesExposure to commercial test simulators and test systems such as: Keysight, R&S, Spirent and Anritsu for wireless telephony product verificationFamiliarity with RF testing, test hardware, mobile phone testing including hardware and android softwareNice to have test automation and python scripting skillGood understanding of 3GPP2 CDMA and 3GPP 5G/4G/3G/2G systemsGood understanding of Telephony and protocol stack serviceKnowledge of QXDM logs and ADB Commands (must)