Mobile Packet Core Engineer
Core
Design, operate, and develop mobile core network packet core nodes and signaling functions to support 5G SA/NSA and 4G EPC services for IoT customers.
Role type
Senior IC mobile network engineer (packet core)
Builds
Mobile core network elements (SMF/UPF/PGW/GGSN, SDM/UDR/HSS/HLR, PCF/PCRF/CHF, DRA/STP/SEPP) and IP/MPLS infrastructure
Domain
Telecom / Mobile Networks / IoT
Required skills
Mobile Core network architecture (3GPP/GSMA/IETF), 5G SA/NSA and 4G EPC, Core network packet core nodes (SMF/UPF/PGW/GGSN, SDM/UDR/HSS/HLR, PCF/PCRF/CHF), Signaling functions (DRA/STP/SEPP), Cloud environments (Telco Cloud) and virtualization, Technical vendor management, Protocols (SIGTRAN, Diameter, Radius, HTTP), Networking (IP, FW, VPN), Support automation initiatives
Preferred skills
APIs and subscriber databases, IoT experience, General IT competence (system operations, scripting, development, automation tools)
Technologies
5G SA, 5G NSA, 4G EPC, IP/MPLS, SIGTRAN, Diameter, Radius, HTTP, Telco Cloud
Responsibilities
Design and develop core network packet core nodes and signaling functions, Manage technical vendors and feature requirements, Participate in on-call rotation to troubleshoot issues and drive incident resolution, Conduct post-mortems and implement corrective actions, Support automation initiatives for operational efficiency, Collaborate with teams to ensure solution flexibility and high uptime
Seniority
Senior, hands-on IC