Requirements:Experience on architecture design and implementation of Cellular Networks (2G/3G/4G/5G)Experience of Solution, Architecture and design ENGG of EPC (Packet Core) 4G network and with exposure of multi-OEM technologiesExperience of managed services for such network for a deeper understanding of technical problem-solving.Integration experience with RAN (eNodeB and/or gNodeB) NetworkExperience in planning, implementation and optimisation of Packet Core Network (4G is mandatory, 2G/ 3G is an advantage)Exposure of developing framework for providing converged voice and data on a 4G LTE network.Also understanding of 2G and 3G network architectures process and switch voice and data as well as understanding of circuit-switche (CS) for voice and packet-switched (PS) for data.Technical Requirements - Mandatory:Responsible for EPC solution, design and technical delivery, providing input to High Level System Designs across 3G/4G Voice and Data Core.Excellent Understanding of 3GPP standards, Wireless Operations,Knowledge on Multi-Vendor Packet core network products and their architecture.Experience in preparation of HLD/LLD for a given requirement on the packet core networkStrong knowledge in 4G core network, call processing technologies and network architecture specifically focused on Core Networks (Specifically integration and interfaces to eNodeB, IP core network, Intra packet core interfaces viz. between MME, HSS, PCRF, SGW, PGW)Drive the system architecture in collaboration with cross functional technical leads.Responsible for design & development of policies across billing, policy, and charging.Shall need to design & optimise based on the requirements for Mobility Management Entity (MME), Serving Gateway (SGW), and Packet Data Network Gateway (PGW).