Dookun Shin

- Responsible for administrating of customer's network and server systems. - Operation and maintenance of internal server system (Exchange, AD, Etc.) - Network analysis and troubleshooting via using multiple data sources like traced data packet 　through Wireshark, log data from network equipment. - Handling infra-enhancement project 　: Coordinating network infra for local office : Network HA configuration using wired and mobile wireless network for small office 　: Introducing of NMS

- Full responsibility of all aspects of technical support for Tier 1 clients through EMEA. - Worked with Sales and Product teams to craft solutions to meet client needs - Device trace data analysis; clarified abnormal events and KPI degradation - Supported in the launch of new products and services - Developed training manuals and conducted training exercises to new and existing clients. 　Many of these sessions were bespoke and included case-studies based on client data

- Handling RAN(Radio Access Network) operation and maintenance - Undertaking Pre-Test for implementation of a solution delivered from the vendor (Ericsson, Nokia-Siemens Network and Samsung) - Tracking and solving RAN performance issue such ask degraded KPIs - VoLTE E2E analysis

Technical support for field measurement and report for SK Telecom. - Supported for BS issues such as alarm clearing or physical configuration issues. - Reporting measurement results pre- and post-network upgrade or optimisation. - Quality verification of cloud concept NodeB and eNodeB (DU-RU concept). - Preparing annual Korean government regulation for the mobile network quality. - Benchmarking test with multiple devices and equipment for field and In-building

Network / Telekommunication *(University transfer in 2012 and early graduation in 2014 (Excellent grade))