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Joey O'Sullivan is an experienced telecommunications professional with a strong background in core network engineering, having served at Virgin Media Ireland since April 2008 in various roles, including Core Network Engineering Manager and Optical/Core Network Engineer. Responsibilities include the design, planning, and integration of core DWDM, CWDM, and SDH platforms, as well as configuration and support of IP switches. Previous experience as a Radio Frequency Engineer at ComReg involved technical analysis and licensing of microwave radio transmission networks. Joey O'Sullivan holds a Bachelor of Engineering (BEng) degree in Electronic and Computer Engineering from the University of Galway.