Frank O'Sullivan has extensive experience in technical leadership and support roles across various companies, including Cohesity as a Technical Lead and Site Reliability Engineer, and Dell in multiple positions such as Senior Adviser and Senior Technical Support Engineer. Previous roles include IT Team Lead at Harris Wireless Ireland and Network/System Administrator at M/A-COM, as well as Network Administrator at Logitech Ireland. Frank O'Sullivan holds a Certificate in Psychology from University College Cork and a degree in Information Technology Support and Computer Science from Munster Technological University.