We are seeking a skilled 5G Core Engineer with expertise in designing deploying and optimizing private cellular networks for enterprise and mission-critical environments The role requires deep knowledge of 5G Core network functions cloud-native environments and hands-on integration experience The ideal candidate will also have proven experience in drafting and responding to RFPs for telecom solutions supporting both technical and business teams Key Responsibilities Design configure and optimize 5G Core network elements AMF SMF UPF AUSF UDM NRF PCF NSSF NEF etc for private LTE 5G deployments Perform end-to-end lifecycle activities including requirements gathering solution design lab validation field deployment and optimization Draft review and respond to RFPs RFIs including creation of technical requirements compliance matrices and vendor evaluations Troubleshoot and resolve core network issues across signaling session management and user plane functions Lead EPC-to-5G Core migrations ensuring backward compatibility for LTE EPC subscribers Collaborate with radio transport and security teams to ensure seamless interoperability Conduct PoC trials integration testing and certification of 5G Core solutions Ensure compliance with 3GPP standards cloud-native principles MEC integration and network slicing requirements Support enterprise and vertical use cases such as IoT critical communications and industrial automation Document solution architectures processes and lessons learned for continuous improvement Interface with customers vendors and internal stakeholders to present solutions and defend proposals Knowledge of IMS VoLTE VoNR and integration with IP Multimedia subsystems Job Type Full time