Donal O' Reilly is an accomplished RAN Engineer with over 12 years of experience in the telecoms sector. Currently serving as RAN Network Configuration Manager at Three Ireland since February 2014, Donal has also held positions as RAN Application Development Engineer and RAN Databuild Engineer. Prior experience includes roles at Surecom Network Solutions Ltd as RAN Databuild Engineer and RAN Quality Engineer, and at Nokia Siemens Networks as Lead Radio Access Engineer. Earlier in the career, Donal worked at Siemens AG as Transmission and BTS Engineer, focusing on microwave radio, PDH, and SDH systems. Donal holds a Higher Diploma in Applied Electronics from Technological University Dublin, completed in 2000.