Core Network Engineer

• Bachelor degree preferably in Telecommunications, Computer or Electronics Engineering
• Deep technical knowledge of Cloud Core Domain(Min 5 years experiences)
• Deep technical knowledge on vEPC/ EPC, PCC, Diameter networks, EPC domain interfaces and Protocol Stacks, 3GPP specifications and RFCs and expertise on providing solutions,
• Expertise on SGSN-MME and GGSN/PGW/SGW/ ePDG/TWAG installation, integration and solution;
• Expertise on MSC and MGW and IMS/A-SBC/I-SBC installation, integration and solutioDeep technical knowledge on IMS, CS, PS, VoLTE, VoWiFi;
• Deep technical knowledge on CUPS (Control User Plane Separation) Architecture and 5G-NSA;
• Deep technical knowledge on 5G SA Architecture , for AMF/SMF/UPF/PCF/UDM/NRF/SCP;
• Familiar with OpenStack / VMware is a plus and Prioritize;
• Deep technical knowledge of Telco Virtualization;
• Deep knowledge of Virtualization environments, NFVI, VIM, VNFM, MANO etc.
• Good knowledge of IP, Subnetting, VLAN, Switching and Routing protocols. CCNA / CCNA Voice Course certification is a plus

Additional Requirements:

·        PS Core/EPC products E2E analysis and troubleshooting including call trace.

·        Troubleshooting for Virtualization environments, NFVI, VIM, VNFM, MANO etc

·        Experience of product acceptance test and verification processes

·        Experience of using Wireshark or similar tools for trace analysis and troubleshooting

·        PS/EPC & VoLTE & VoWiFi & DRA & Signaling optimization Experience

·        Customer Management Experience (Experience leading the projects)

·        Strong Core parameter optimization