Shane O'Callaghan is a highly experienced network security and infrastructure professional with a comprehensive background in cybersecurity and IT support. Currently serving as a Lead Network Security Engineer at McKesson since October 2018, Shane holds multiple certifications, including CISSP, CCSP, and Palo Alto Networks PCNSE 8.1. Prior to this role, Shane was a Senior Security Architect at Smarttech, overseeing the Managed Firewall Services Division, and has held various positions at Abtran, including Network Manager and Senior ICT Infrastructure Engineer. Shane's expertise spans across firewall migrations, cybersecurity assessments, and extensive IT support, with a strong foundation in managing complex network infrastructures and providing support for a wide array of IT systems. Educational qualifications include a Bachelor of Science in Computer Applications from Munster Technological University.
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