Simnovus

Role & responsibilities Resolve technical support cases efficiently while maintaining a high standard of service. Provide expert-level troubleshooting for issues related to 5G protocol stack (PHY, MAC, RLC, RRC, NAS), UE, and eNodeB/gNB testing. Provide expert-level troubleshooting for issues related to VoIP/SIP calls (VoLTE/VoNR, IMS GW) Execute and maintain 3GPP conformance testing procedures. Perform modem performance testing in lab environments. Create, execute, and maintain test cases for functional and system-level testing. Identify, raise, and track defects through to resolution, recommending corrective actions as needed. Collaborate with development, QA, and product teams to ensure issues are addressed effectively. Communicate clearly and professionally across all customer and internal communication channels. Continuously update technical knowledge and stay current with industry tools, including AI-powered support solutions. Contribute to the creation and maintenance of customer-facing and internal documentation Preferred candidate profile Must have hands-on experience with 5G protocol stack testing, including PHY, MAC, RLC, and RRC layers. Hands-On experience in UE and eNodeB/gNB testing. Solid understanding of 3GPP conformance testing specifications. Experience with modem performance testing in lab setups. Strong troubleshooting and debugging skills. Proficiency in creating and executing functional/system test cases. Familiarity with defect tracking tools and ability to manage defect life cycle effectively. Good working knowledge of Linux environments, especially Ubuntu and CentOS