Ciaran O'Hagan is a Senior Security Engineer at Mastercard, having previously worked as a Systems Development Engineer II at Amazon Web Services (AWS) from 2021 to 2024. At AWS, Ciaran developed and maintained high-scale network visibility solutions, managed Deep Packet Inspection and Intrusion Detection System software deployments, and created a monitoring system to ensure optimal performance. Ciaran began their career at Trinity College Dublin, where they earned a Bachelor of Arts in Computer Science and contributed to research in distributed databases and security. Prior roles also included positions as a Support Engineer and Cloud Support Associate at AWS.
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