Cian O'Sullivan

Cian O'Sullivan is a seasoned professional in cybersecurity and network engineering, currently serving as Client Engagement Principal - Cyber and Principal Security Consultant at Mantel Group since March 2023. Prior experience includes roles as Cyber Security Lead at CMD Solutions Australia and Senior Solution Architect at DXC Technology. Cian has also held positions such as Senior Network Security Engineer at QIC, Network Design at Suncorp Group, and IP Network Specialist at Optus, along with earlier roles as a Network Engineer at Hewlett-Packard. Cian began a career in network technical support at eircom in 2003. An education in Computer Networking & Software Development was completed at Munster Technological University with a Bachelor of Science degree.