Perform feature testing and validation for WWAN features and carrier requirements using CMW500 equipment.
Responsibilities
Validate WWAN critical features including HW MBN activation, VoLTE/SMS over IMS/Data, SIM Switch, Verizon OMADM client, Cellular and GPRS CSP, RTT, and Wi-Fi Calling.
Execute LTE, IMS, and WCDMA UE registrations, call flows, data throughput, and IoT scenarios across different network conditions.
Triage Verizon, ATT, and PTCRB certification failures and field-testing issues to provide root cause analysis to development teams.
Develop manual and automation test cases for sprint stories covering MBN loading, Verizon DM, and supplementary services.
Document all defects in JIRA with detailed device logs and perform retesting on provided binaries.
Required Skills
5+ years of experience in WWAN testing and validation.
Hands-on experience with CMW500 testing equipment.
Proficiency in VoLTE/SMS over IMS/Data validation.
Experience testing Verizon and ATT carrier requirements and supplementary services.
Strong debugging skills using protocol/signaling and conformance testing in a lab environment.
Experience using JIRA for defect tracking and documentation.
Knowledge of MBN activation, SIM Switch, and Wi-Fi Calling protocols.
Ability to analyze cellular and GPRS CSP, RTT, and data throughput.