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Company:IT Services Organization Key Skills: 3G, 4G, 5G, LTE, NAS, RRC, Testing, Validation Roles and Responsibilities: Perform manual and automation call testing for cellular features across 2G, 3G, LTE, VoLTE, and 5G NR (SA/NSA).Analyze NAS and RRC layer messages and validate modem behavior against 3GPP specifications.Create, upgrade, and execute test cases aligned with IMS, 4G, and 5G requirements.Use QXDM and QCAT for modem testing workflows and analyze logs using Wireshark.Log, track, and manage defects in JIRA and support root-cause analysis with clear evidence.Skills Required: 1 - 3 years of experience in modem/cellular testing or protocol-based testingCellular protocol knowledge: NAS and RRC message analysis for 2G/3G/LTE and 5G NR (SA/NSA)Strong understanding of 3GPP specifications and call feature behavior (including VoLTE)Hands-on testing experience including test plan creation, test case execution, and validation of IMS/LTE/5G requirementsTooling experience: QXDM, QCAT, Wireshark log analysis, and defect tracking in JIRAGood to Have: Validation experience for modem validation workflows and test evidence preparationEducation: Degree in Engineering/Technology (or equivalent technical education) Company:IT Services Organization Key Skills: 3G, 4G, 5G, LTE, NAS, RRC, Testing, Validation Roles and Responsibilities: Perform manual and automation call testing for cellular features across 2G, 3G, LTE, VoLTE, and 5G NR (SA/NSA).Analyze NAS and RRC layer messages and validate modem behavior against 3GPP specifications.Create, upgrade, and execute test cases aligned with IMS, 4G, and 5G requirements.Use QXDM and QCAT for modem testing workflows and analyze logs using Wireshark.Log, track, and manage defects in JIRA and support root-cause analysis with clear evidence.Skills Required: 1 - 3 years of experience in modem/cellular testing or protocol-based testingCellular protocol knowledge: NAS and RRC message analysis for 2G/3G/LTE and 5G NR (SA/NSA)Strong understanding of 3GPP specifications and call feature behavior (including VoLTE)Hands-on testing experience including test plan creation, test case execution, and validation of IMS/LTE/5G requirementsTooling experience: QXDM, QCAT, Wireshark log analysis, and defect tracking in JIRAGood to Have: Validation experience for modem validation workflows and test evidence preparationEducation: Degree in Engineering/Technology (or equivalent technical education)
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