Management and configuration of large (300+) virtualized web server environment for fast growing Seattle based startup. Use of puppet and related technologies to facilitate easy configuration management of estate across multiple datacentres. Day to day management of apache/tomcat to improve application performance. MySQL tuning and configuration to ensure high availability and uptime.

Management and support for large financial organisation with Windows Active Directory infrastructure. Responsible for creation of, management and support of Windows domain for external customer which utilised various technologies such as VMWare, Microsoft Exchange 2010, Windows Server services (AD, DNS, DHCP, DFS, GPO) to fully realise companies needs. High level troubleshooting responsibilities diagnosing root cause for various intricate problems that arose.

Member of the Sysadmin team with the High Tech Compute Backbone Team based in Victoria Embankment, London. Responsible for system builds, configuration management of large (500+) compute cluster over a wide range of locations. Use of Nagios, Puppet and Cobbler to automate deployment and configuration of hosts depending on variables.