Nuwan kapugamage

• Subject Matter Expert in 5G, LTE, UMTS, and GSM network Optimization. • Post hardware swap performance and quality assurance • E2E troubleshooting for Drop, Handover fails, accessibility, throughput and other major KPIs to meet the SLA. • Managing Customer Experience, Service delivery & Network assurance activities of radio network • 5G and LTE (multi-layer), UMTS, and GSM parameter design, planning, and network audits. • Managed configuration and change activities across multi-vendor telecom networks (Ericsson, Huawei, Nokia) • Implemented network changes including parameter updates, hardware modifications, and software upgrades • Ensured data integrity and consistency of configuration records across network systems • Handled change requests ranging from localized issues to large-scale network-wide implementations • Verified and validated changes post-implementation to ensure performance and stability • Expert in identifying low coverage spots and hotspot using drive test, crowd data and Atoll predictions • Proficient in tools such as, Ericsson ENM, Nokia NetAct, U-SON, Fusion, NET CM, Atoll, Planet EV TEMS, PrOptima, Actix, NEMO, OMNIX, Vantage PM, Metricell, MapInfo, Magnet IPD and Huawei tools. • Network preparation for benchmarking such as P3 and Umlaut. • Specialized expertise in identifying internal and external interference, including PIM-related issues. • Expertise in RET configurations , fault diagnosing , fixing and fine tuning • Execution of feature trials and parameter tuning at both cluster and site levels. • MORAN and SRAN design, handover parameters and traffic balancing. • Expert in vendor equipment swaps, with a strong focus on troubleshooting rigging and deployment issues. • Frequency, Scrambling Code, PCI, and RSI planning. • Software license calculations and capacity dimensioning.

- 5G, LTE, UMTS and GSM Network Optimisation and troubleshooting - Feature trials and parameter tuning on a cluster and Site level - 2G, 3G, LTE and 5G Data build and data verification - Deploying and post-integration performance optimization of Special event sites - Identify the rigging faults such as PIM, Interference, cross feeder and RET - 5G, LTE, UMTS and GSM Parameter design, planning and Audits - Frequency/ Scrambling Code/ PCI/RSI planning - Expert in Vendor equipment swap with particular focus on troubleshooting rigging and other deployment issues - Preparing site acceptance report

- Cluster owner of the Manchester and Wales for Beacon post-commission optimization - Perform 2G , 3G and LTE parameter and new feature trials to improve the CS and PS quality of service - Site preparation for the final acceptance including KPI, Frequency, PCI, PSC, Parameter and Neighbor plan - Identified Rigging faults (PIM, Interference, cross feeder, RET) - Analyzed pre and post-swap drive tests and provided recommendations to improve the coverage - Provided capacity expansions recommendations based on TRX, CE , power utilization and congestion

- Represent Ericsson for the Vodafone enhance optimization (Olympic preparation) project in London -Achieve & maintain 2G, 3G network performance SLAs for Accessibility, Retainability, Mobility & Service Integrity KPIs. -Analyze the network performance statistics daily, hourly at RNC/BSC and Cell level to resolve degradations - Perform RAN system audits to eliminate inconsistencies due to network changes and expansions - Drive test, Route & MapInfo analysis-based Coverage and Capacity Optimization -Coverage and High Capacity Solution planning for Special Events - Preparing performance report for the Management