Mary Jo Costello is an experienced engineer currently serving as an Associate and Senior Environmental Engineer at Egis in Ireland since July 2022. Previously, Mary Jo held the position of Deputy Project Resident Engineer at Roughan & O'Donovan, contributing to significant projects such as the N5 Ballaghaderreen to Scramoge Road Project and the Athy Distributor Road Project. Prior roles include Senior Resident Engineer at J.B. Barry and Partners Limited, focusing on the Gorey to Enniscoroty PPP scheme and the N4 Collooney to Castlebaldwin Project, and various engineering positions at RPS Group, Hyder Consulting, Kildare County Council, and Offaly County Council. Mary Jo has an extensive educational background with degrees in civil engineering, environmental sustainability, and planning and environmental law from respected institutions including Trinity College Dublin and University College Dublin.
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