Ciarán O'Brien is a customer technical services analyst at Mastercard since May 2025. Prior to this role, Ciarán worked as a technical consultant and graduate CE consultant at Codec Ireland from September 2022 to May 2025. Ciarán also gained experience as an IT assistant at the National Standards Authority of Ireland from January 2021 to September 2021. Ciarán holds a Bachelor of Science degree in Enterprise Computing from Dublin City University, completed in 2022.
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