Sheedy joined Fortinet from Speedcast Managed Services, where he served as information security manager.
He previously worked for Context Information Security, CQR, Splunk, Security Infrastructure Solutions, Data Management Australia, Glen Eldon Wines, Secure Data, Mastersoft, BCA and Applied Microsystems.
Sheedy spent 13 years in the Australian Defence Force where he rose to the rank of captain at 5/6 Battalion, Royal Victoria Regiment.
He holds a graduate certificate and a graduate diploma in business administration from Swinburne University of Technology, as well as ISO/IEC 27001 certification as a lead auditor.
"Cybersecurity strategy for critical infrastructure has been recognised by Australian state and federal governments as being of significant national interest," said Sheedy.
"Maintaining strong OT security is essential to protecting this critical infrastructure. Fortinet incorporates capabilities that let organisations identify and deal with security threats while maintaining their safety systems' integrity so they can keep operating safely."