Summary
Chris Buffin is a seasoned cyber security engineer with 27 years of experience focused on cryptography, cloud security, and operationalising secrets management in large financial environments. Based in London, he has progressed through roles at Lloyds Banking Group from Unix systems administration and customer-facing positions to becoming the SME for hardware security modules (IBM 4764/4765/4808) and Thales products, leading large-scale payment encryption and key lifecycle projects. He now specialises in cloud secrets management and DevOps-driven pipelines for live cloud services, with deep experience integrating Venafi, CyberArk, Splunk and SSH key automation across UNIX, Windows and mainframe platforms. Known for tackling high-risk, novel tasks—such as zero-impact hardware maintenance on platinum services—he blends hands-on technical skill with pragmatic problem solving and vendor management. His background shows a rare combination of low-level crypto expertise and modern cloud-native security delivery, making him effective at bridging legacy mainframe/PKI systems and contemporary cloud platforms.
27 years of coding experience
3 years of employment as a software developer