Karim Raphael

Telecom Engineer and skilled Data Analyst, specializing in ensuring seamless end-to-end data and voice call processing, investigating advanced service and customer experience issues. Extensive experience in RF equipment testing across international projects. Proficient in collecting and interpreting large datasets, driving business results through data-based insights. Dedication lies in optimizing customer experiences by addressing challenges and enhancing service quality.

• Volte/IMS training, Huawei, 02/23
• LTE Air interface & Call processing, Qualcomm, 08/17
• Advanced Data Analysis Nano degree, Udacity, 10/22
• Data Analysis Professional Nano degree, Udacity, 03/22
• Applied Data Science and Artificial Intelligence, 08/20
• PMP, 05/13
• Project Management Diploma, 11/12
• UNIX Shell Scripting - Managing and Processing Text, 08/11

• Nokia Airscale controller’s validation for Orange Belgium, Led OEG Operational Skill Center team, took charge of managing multiple stakeholders and orchestrating the testing and validation of Airscale controllers in both lab and field environments. Additionally, played a pivotal role in ensuring seamless integration of the new controllers with various OEG engineering teams including Tx, DN, Info-SEC, PS & CS core engineering, and RAN teams.
• Telecom Egypt national roaming project with OEG, Played a crucial role in the Telecom Egypt National Roaming Project with OEG as the E2E Quality of Service expert and focal point. Functioned as the primary liaison both internally and externally, overseeing and addressing all National Roaming (NR) network problems across various project phases and major actions.
• VoLTE users dashboard, Developing a QlikView dashboard to optimize VoLTE user license utilization, analyzing both active and inactive users for network enhancement. With license efficiency now increased from 70% to 85%, the dashboard offers enhanced insights for better resource allocation and decision-making
• VoLTE Call Setup Time Improvement, Led an initiative to enhance VoLTE call setup time, benchmarking against competitors. Analyzed Orange and competitors' DT logs, and OEG E2E VoLTE call setup signaling flow identifying areas for improvement. Collaborated with radio and core teams, resulting in 300-500ms improvements.
• Dynamic spectrum sharing feature validation, In charge of design and implementation of a comprehensive testing plan for the validation of Nokia's 2G-LTE Dynamic Spectrum Sharing (DSS) feature. OEG deployment on the 900 MHz band and in OCI on the 1800 MHz band.
• SKC testing automation project, Contributed in SKC Testing Automation project, taking charge of developing automation UNIX script to automate non-regression testing scenarios for both BSC and RNC.