Gerard O'Brien
London, England, United Kingdom
Summary
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SeniorGerard O'Brien is a seasoned technology leader specializing in cloud security, network engineering, and cybersecurity with two decades of experience across consulting, enterprise, and managed services. As Manager, Global Cloud Security Architect at Deloitte, he leads a distributed team of engineers and architects to design secure, multi-cloud ecosystems and to build incident response capabilities across Azure, AWS, and GCP. He has a proven track record of translating complex security concepts into business language for C-suite stakeholders, aligning technology with strategic objectives. Outside of work, he runs a YouTube channel with 10,000+ subscribers that builds practical labs to teach cybersecurity, cloud, and networking skills. His career spans roles at Laing O’Rourke, ZENO IT, and other technology firms, where he delivered secure infrastructure and cloud solutions while mentoring global teams. Based in Dublin, he combines hands-on technical depth with leadership to strengthen cybersecurity postures and optimize network and cloud architectures.
11 years of coding experienceGithub contributions (5)
gerardobrien/tf-aws-kali-linux
Nov 2022 - Dec 2022
Contributions:6 pushes, 1 branch in 1 month
gerardobrien/gerardobrien
Feb 2025 - Mar 2025
Contributions:6 pushes, 1 branch in 1 month
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