High Availability Architecture Review

Following complaints from a key customer of a loss of service, I led a team assessing the resilience and capacity of the network architecture of a top-tier UK Internet hosting company. This involved understanding the as-was and to-be network architecture, the root cause of the outages and providing an assessment of the likelihood of future failures.

Smartmetering Security Architecture

I was deployed for nine months to one of the Big Six Energy Suppliers as the Security Architect on their Smart Metering Programme, which will bring intelligent Electricity and Gas metering to six million customers by 2019. As the Smartmetering Security Architect I was responsible for the high-level Security Strategy and Architecture and ensuring that systems integrators met the functional and non-functional security requirements that I specified.