SIM Management, 5G Core Engineer
Core
Analyze, design, implement, and verify configuration and integration of subscriber data management nodes (UDR/UDM) and systems across 5G infrastructure.
Role type
5G Core SIM Management Engineer
Builds
Subscriber data management platforms for 5G networks
Domain
Telecommunications / 5G Core / IoT
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
5G Core architecture, UDR/UDM management, HTTP/2 (N8/Nudm) interfaces, subscriber provisioning workflows, incident management, security auditing, protocol trace analysis (Wireshark/tcpdump)
Preferred skills
Cloud-native deployments, capacity planning, fault handling
Technologies
UDR, UDM, HTTP/2, Wireshark, tcpdump
Responsibilities
Manage and operate UDR and UDM nodes ensuring high availability; Design and maintain subscriber provisioning workflows including IMSI/MSISDN management; Implement and verify HTTP/2-based interfaces connecting subscriber data nodes to AMF; Use and build dashboards to monitor subscriber node KPIs; Own incident management for the subscriber data domain; Perform maintenance, security audits, patching, and emergency response for UDM/UDR platforms; Undertake fault handling and corrective actions at node, service, and infrastructure level.
Seniority
Mid-level to Senior, hands-on IC