The Greater London Authority was setup in 2000 to provide regional government over the Greater London Area. The GLA shares power with 32 local councils and the City of London Council. I was employed as part of the 3rd line Engineering Team responsible for development and maintenance of over 70 different services and approximately 450 server and Network devices.

* Senior Systems Engineer Resource for the implementation of the Storage Area Network (SAN) migration from HP HSG80 to EMC Clariion Storage Arrays and Fibre Channel Switches. Implemented the migration of data from the old SAN Array to the new. Actioned the migration of business critical services and applications from the old SAN to the new. The configuration was designed to maximise throughput for a heavily-loaded Clustered Exchange Environment using multiple RAID groups with Striped data virtualization.
* Implementor and support lead for the Storage Area Network, Internal Switched Foundry Network, Sun Solaris Servers, HP Server Blade Infrastructure, EMC Brocade Fibre Channel Switches, EMC Clariion Storage Array, Qlogic and Emulex FC cards, Powerpath Multipath Management Software, Foundry SuperX Switches and HP Blade System Chassis. Managed the SAN based Backups, utilising Netbackup, EMC RM/SE Clariion Clones and Snapshots. Lead engineer for the purchase of a new HP EVA array and implementor for the convergence of the new array in the existing SAN.
* Implementor for the Security configuration of Active Directory on Windows 2003, utilising Group Policy and Startup, Logon/Logoff and Shutdown scripts based on VBScript and NT Shell scripting. Diagnosis and correction of Replication issues with both AD and FRS. Carried out LDAP Schema updates in order to store custom attributes in Active Directory. Integration and administration of SMS 2003. Configuration, Administration and Sizing of the entire Exchange 2003 infrastructure. Integration of desktop faxing, Blackberry Enterprise Server, Windows Mobile devices and E-mail archiving.
* Deployment and Administration of Java Web Applications on Sun One Application Server/iPlanet Web Server and Apache Tomcat. Configuration of Virtual Hosting, SSL and integrated authentication for Web Applications. Load balancing, performance testing and analysis.
* Implementor for the Migration of Active Directory, Windows File Server Cluster and Microsoft Exchange Server Clusters from Windows 2000 to 2003 and Exchange 2000 to 2003. The migration of these critical systems was managed and implemented with minimum disruption and to budget and time deadlines. During this migration we also implemented a high-availability HP Blade System that involved significant restructuring of the server room and upgrades to the cooling and power systems.
* Implementor for the development of the GLA IT Business Continuity Policy. Planning, prioritisation, testing and performing disaster recovery restores of File, Mail, Web, Linux and Solaris services at both Synstar and NDR disaster recovery sites.
* Design, installation and configuration of a VMWare ESX Server farm and Disaster Recovery restores of systems from the Live Environment into Test. Utilization of Veritas Netbackup, Backup Exec, Ghost and VMWare P2V.
* Implementor of SQL Server 2005 Clustered Servers.
* Lead Engineer for the Administration and Maintenance of Windows, Server builds, High Availability configurations, Backup and Disaster Recovery Preparation.
* Implementor and support for the Administration and Security of the Internet facing Architecture based on a Citrix Server Farm, Netscreen Secure Access Appliance, Sun One LDAP Server, OpenVPN VPN Concentrator, Google Search Appliance and Borderware Firewall.
* Gained Prince2, ITIL, EMC SAN Management, HP Storage Essentials and Foundry Networks Qualifications while working at the GLA

2nd/3rd line support on various customer sites including trade floor support in high end banks to public sector enterprise delivery. Data center moves, Server racking, Design and implementation of AD and Exchange in High Availability clusters. Compaq Accredited (ACT) with knowledge of RISC and Alpha platforms. Also worked with 32/64bit high availability architecture, Cluster-in-a-box and Solaris Platforms.

Support of PC and Servers installed on the Jubilee line extension project, responsible for capturing statuses of signaling and monitoring systems and verifying against alerts logged on the Solaris based SCADA system. Worked with CCTV, communications equipment, digital information boards and other various machine room equipments. Windows and Solaris cluster support updating data and on hand to reboot servers in hung state. working with engineers over the phone in the NOC at Neasden.