Job Description: • Subject Matter Expert (SME) in Ericsson virtualized 4G/5G mobile packet core architecture • Experience in detailed design phase of EPC projects including developing the CIQ, HLD, and LLD • Design technical acceptance (TA) test procedures and Method of Procedures (MOPs) • Experience writing and formalizing best practice documents • Strong ability to troubleshoot complex core, transport, and RAN network issues including the analysis of end-to-end call flows and layer 2/3 messaging • Define and monitor end-to-end Key Performance Indicators (KPIs), making sure that the correct counters and measurement settings are used • Propose new KPIs, measurements, and counters • Life cycle management of the EPC including configuration management and evolution planning • Prepare Engineering drawings and presentations using MS Visio and PowerPoint • Strong understanding of cyber security concepts and applications as they relate to the EPC and the overall LTE network • Ability to provide operational support for all 4G/5G network elements • Subject Matter Expert (SME) in IP/MPLS network architecture and routing protocols • Validation of network performance after Software upgrades, system configuration changes and new feature deployments • Strong knowledge of 3GPP Standards