Simon Liang Email & Phone Number

Sydney, New South Wales, Australia

Sydney, Australia

Sydney, Australia

• Technical lead in designing a new virtual infrastructure using ESXi, vCenter and vCloud Director with the intention of consolidating the legacy infrastructure into two data centers (Primary and DR)
• Collaborating closely with the Senior Network Architects to design the new infrastructure in a way that is scalable, redundant and require minimal network maintenance
• Investigating ways of performing the migration of customer systems from the legacy environment to the new with minimal downtime and impact
• Designed and implemented a hosting platform for customers based around VMware which involves ESXi, VMware vCloud Director and VMware vShield Director
• Responsible for the onboarding of customers into the hosting platform. This involves designing a solution tailored to the customer's requirements, planning and coordinating the migration as well as ongoing support for.
• Implemented and configured a content switching load balancer solution for a customer which required traffic to be distributed based on the URL aswell as SSL offloading

• Designed, implemented and maintained the virtual infrastructure (centralised around VMware vCenter and VMware ESXi) that is currently hosting systems critical to the daily operations of BigAir
• Coordinated and virtualised the majority of BigAir's critical systems which was running on unreliable and legacy physical hardware
• Maintained and customised Salesforce to meet the business requirements of BigAir. This includes the design and implementation of workflows, automated approval processes and development of custom Apex code and.
• Coordinated several projects which involved the migration of various email systems (obtained via BigAir's acquisitions) into BigAir's main email system - Google Apps
• Implemented Nagios to monitor the health of BigAir's internal IT infrastructure to assist in maintaining the operation of critical systems
• Designed, developed and implemented a critical internal system used by the business. It assisted pre-sales in identifying whether a site was serviceable, aswell as assisting the design team in brainstorming a solution

• Developed PHP scripts which generated both financial and sales reports by querying the backend SQL database of the billing system
• Built an internal fileserver using commodity hardware and open source software allowing for real time replication and automatic failover
• Responsible for monitoring and maintaining the availability of the internal IT infrastructure
• Responded to and resolved any internal IT issues experienced by colleagues
• Designed and rolled out Microsoft SBS 2003 across the company to replace the legacy IMAP mailserver, aswell as implementing a backup solution