Nicholas O'Sullivan
IT leader and cyber security professional in Townsville
I’m a Townsville-based IT professional with more than 15 years of experience across infrastructure, cloud platforms, education technology, cyber security, systems administration and practical technology leadership.
Professional focus
I focus on secure, explainable and maintainable technology: strengthening school technology foundations, improving cloud and identity governance, planning resilient infrastructure and helping organisations understand which technology risks and improvements matter most.
Technology leadership
Strategy, service delivery, infrastructure planning, documentation and practical risk management.
Cyber security
Identity, Microsoft 365, endpoint management, cloud governance and security-minded operations.
Infrastructure
Networks, servers, virtualisation, automation and maintainable systems for complex environments.
Recent articles
View all postsWhat Aon's 2026 risk report tells independent schools about cyber resilience
Aon's 2026 Independent Schools Risk Report highlights rising cyber incidents and why governance, readiness and third-party assurance matter.
Townsville computer stores — remembering the past and making the case for what comes next
Remembering Townsville's specialist computer stores and making the case for Computer Alliance, Umart or another major retailer to open locally.
Practical cyber security for small organisations
Practical cyber security priorities for small businesses, schools, charities, churches and community organisations in Townsville.
Home Lab Progress
An update on homelab backups, UPS protection, VM monitoring, helpdesk alerts and testing the Mailu Docker mail server.