Telephony Tester

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 • 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) Apply Job! Apply to this Job