Hywel Mallett
Senior Splunk Engineer at HSBC
Oswestry, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolHywel Mallett is a Senior Splunk Engineer with 11 years of professional experience specialising in SIEM and security operations for major UK financial institutions and enterprise clients. He has designed and implemented Splunk Enterprise Security platforms for SOCs at organisations such as Aberdeen Standard Investments, RBS, Barclays and now HSBC, combining hands-on engineering with consultancy and leadership gained as Director of Option 13. His background includes broader IT and information security roles—driving ISO 27001 and PCI DSS efforts, vulnerability management and incident response—which gives him a practical, audit-ready approach to security architecture. Hywel also contributes to open-source Rails work, improving database schemas and data integrity for projects like publify, reflecting attention to reliable backend design beyond security tooling. Based in Oswestry, England, he blends long-term operational experience with a focus on measurable improvements in detection, performance and compliance.
11 years of coding experience
23 years of employment as a software developer
HNC Computing, HNC Computing at Glyndŵr UniversityMathematics, Mathematics at University of Warwick
English, French
Github Skills (11)
ruby-rails10
rails10
schema-design10
schema10
database-design10
db-schema10
database-schema10
ruby9
postgresql9
sql8
blog-engine7
Programming languages (2)
Github contributions (5)
publify/publify
Feb 2015 - Jun 2015
A self hosted Web publishing platform on Rails.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:64 commits, 19 PRs, 25 comments in 4 months
Contributions summary:Hywel contributed to the `publify/publify` project, a Ruby on Rails web publishing platform. Their commits primarily focused on database schema modifications, adding missing indexes and foreign keys to improve database performance and data integrity. They also updated validation clauses and fixed a migration, which suggests a focus on maintaining and improving the application's underlying database structure and data models. The user demonstrated skills in Rails and database schema design.
ruby-on-railspublishingrailshostedblog-engine
hmallett/publify
Feb 2015 - Jun 2015
Contributions:2 PRs, 49 pushes, 13 branches in 4 months
ruby-on-railspublishingrailshostedruby
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