Job Summary
At U Mobile, you will plan, deliver and support 4G and 5G Standalone (5G SA) packet-switched core network solutions for consumer and enterprise services. You will help ensure sufficient network capacity, reliable performance and a high-quality customer experience while supporting the company’s business and financial goals.
The Day-to-Day Activities
Plan and deliver 4G and 5G SA core network projects covering SGSN/MME/AMF, GGSN/SGW/PGW, PCEF/GWU/UPF, SPR, Data PCRF/PCF, IMS PCRF, IDNS, EDNS and CG/CHF. This includes capacity planning, physical connectivity and IP routing.
Configure, test and implement 5G SA network slicing.
Support consumer and enterprise service requests, including network configuration, service and device testing, and device certification.
Implement new capacity and features for packet-switched core network projects, including software and hardware upgrades, DRP activities, and integration with external network elements such as RAN and ISD.
Monitor and forecast network capacity to ensure actual growth remains aligned with plans. Take remedial action for short-term deviations, highlight when planned capacity must be accelerated, and generate current usage profiles and statistics for forecasting.
Support the troubleshooting of packet-switched services by providing technical guidance, references and recommendations to operations teams.
Deliver packet-switched core configurations for enterprise projects, including new APN and VRF creation, integration, and end-to-end service testing.
Create and test PCC packages for consumer and enterprise services, reducing dependency on the Lead PCC Expert.
Manage software upgrades across packet-switched core nodes to address security findings, resolve defects, and complete remediation arising from VAPT scans.
Perform device validation and testing for packet-switched use cases and service readiness.
Drive the containerisation initiative for packet-switched core nodes, including MME, GWC, GWU and CG.
Configure TAC and LAC for MOCN sites, and drive KPI monitoring and performance reporting.
Lead and coordinate projects with internal and external parties to ensure delivery within the required timeline.
Support the expanded packet-switched core network scope across Consumer, Enterprise, MVNO, Enterprise Innovation Platform and ad-hoc MOCN projects.