Ranju Ravikumar

-> Working in lab with real network nodes from telecom vendors such as Ericsson, Nokia, Huawei. -> Acceptance testing of 5G E2E call flows e.g., attach, data and voice calls, roaming, handover procedures with real network setup. -> Collaboration with client and vendors for defect triaging, analysis and resolution.

Roles/Responsibilities: • Testbed bring up on Kubernetes K8 for feature testing. • Development, review of test plans for features namely Roaming, lawful intercept, URL blacklisting, Events Data Record etc. • Testing of 5G/4G nodes: SMF, cnSGW & UPF with AMF, PCF, gNB , CHF SGW, PGW, SAEGW, SGWU, PGWU with MME, eNB, OCS(Gy), OFCS(Gz) and PCRF as simulators. • Monitoring real SMF and UPF nodes of T-Mobile network during customer site network upgradation. • Testing and automation of 5G and 4G test cases.

Roles/Responsibilities: • Involved in feature, regression and performance testing of Cisco ASR 5500 DUT and Virtualized EPC. • Developing test scripts for feature testing using tools Ixia - Ixload, Spirent Landslide. • Testing packet core network elements such as SGW, PGW, SAEGW with PCRF, MME, eNodeB as simulators. • Expertise in analyzing logs and reporting issues related to the LTE packet code nodes and E2E call flows. • Validating data traffic like HTTP, HTTPs, FTP and DNS via established call flows.

Grade: First Class