Description
Cognizant is seeking a Test Lead Engineer to lead SIP, IMS Core, and VoLTE/CVoIP call-flow testing and validation. The role requires 6–8 years of experience and expertise in 5G/LTE/UMTS, IMS network performance and capacity testing, IMS call processing and supplementary services, IMS signaling analysis, interworking entities, LTE core interfaces, telecom protocols, VoLTE end-to-end troubleshooting, and automation using Python, Unix, Selenium, and Android ADB. The position also requires familiarity with tools such as Wireshark, QXDM, RADCOM, IXIA, EXPO, and LANDSLIDE.
