Sean O'Brien

Sean O'Brien is a seasoned professional in networking and IT security, currently serving as Senior Manager and Lead Architect at Rapid7 since February 2022, where leadership of the IT Security team has involved developing advanced security protocols and collaborating with C-level executives. Prior experience includes roles as Network Manager and Lead Architect, and positions at Capita Managed IT Solutions, IMC Financial Markets & Asset Management, CME Group, and Fujitsu, demonstrating a robust background in designing, managing, and optimizing complex network infrastructures and security architectures. O'Brien holds a Bachelor of Engineering (BEng) in Electronic and Software Engineering from Queen's University Belfast.