Sean Mannion is a detail-driven Cost Manager with over 10 years of experience in the construction industry. Previously, Sean held roles as a Quantity Surveyor at John Sisk & Son Ltd and an MEP Quantity Surveyor at Mercury, contributing to significant projects, including high-value data centers and large infrastructure initiatives. Sean currently serves as a Senior M&E Cost Manager at Linesight. Sean earned a Bachelor’s Degree in Construction Economics and Quantity Surveying from Galway-Mayo Institute of Technology, where they graduated with Second Class Honours Grade 1.
This person is not in the org chart
This person is not in any teams
This person is not in any offices