Full time Recruitment & Employee Placement Agency Job Description Key Responsibilities: Perform daily health checks and monitor alarms on PS Core nodes (MME, SGSN, GGSN, EPG, DNS/PCC/PCG, SAPC, SMF/UPF). Troubleshoot and resolve network faults, capacity issues, and performance degradation. Manage subscriber sessions, PDP contexts, bearer handling, and IMSI tracing. Implement new APNs, IMSI ranges, rating groups, and QoS profiles. Configure PCC rules, PDR/QER/FAR/URR policies, and interface with PCRF/SAPC. Manage DNS/NAPTR/SRV configurations for IMS and EPC services. Support integration of new PS Core nodes (vEPG, vMME, vUPF on cloud/Kubernetes). Plan and implement software upgrades, patches, and capacity expansions. Analyze KPI trends (Attach success, bearer setup, handover success, latency, throughput). Develop and maintain scripts (Bash, Python, Expect, AWK) for log parsing, KPIs, and automation