Gerard O'brien
Manager, Global Cloud Security Architect at YouTube
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolGerard O'Brien is a seasoned cloud and cybersecurity leader with over 20 years in IT and more than a decade focused on designing secure, scalable cloud and network architectures for enterprises and service providers. As Manager and Global Cloud Security Architect at Deloitte he leads multinational teams to deliver multi-cloud cyber defense, incident response capabilities, and enterprise-wide logging and alerting initiatives across Azure, AWS and GCP. He combines hands-on technical delivery with executive-facing communication, translating complex security trade-offs into business-aligned decisions. A former architect and infrastructure lead at Laing O'Rourke and other firms, he brings deep operational experience in bridging cloud, network and SOC capabilities. Outside work he runs a popular YouTube channel with practical labs and 10,000+ subscribers, reflecting a passion for making advanced skills accessible and mentoring the next wave of security engineers.
11 years of coding experience
13 years of employment as a software developer
BSc Honors Computing & Design, BSc Honors Computing & Design at Ulster UniversityAAB Advanced ICT & A-Level Business Studies, AAB Advanced ICT & A-Level Business Studies at Armagh College Of Further Education
English
Stackoverflow
19reputation
1kreached
0answers
2questions
Github Skills (32)
microsoft10
azure-devops10
azure10
devops10
microsoft-sql9
sql-server8
tsql8
sql7
mssql7
data-tools7
ssms7
microsoft-sql-server7
api6
amazon-ec26
edx6
Programming languages (10)
Github contributions (5)
MicrosoftLearning/AI-100-Design-Implement-Azure-AISol
Mar 2019 - Dec 2020
Lab files for AI100T01A ILT Course
Contributions:27 PRs, 78 pushes, 2 branches in 1 year 9 months
lab
MicrosoftLearning/AI-102-Design-Implement-AI-Solution
Oct 2020 - Nov 2020
Contributions:278 pushes, 1 branch in 1 month
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