Architecting, provisioning, maintaining and improving upon server infrastructure, split between physical data centres and AWS. Experience with Dell hardwares, Hyper-V and VMWare ESXi. Also provided 24/7/365 on-call support.
Responsible for automating and improving IT infrastructure, utilizing Terraform, AWS Cloud formation, PowerShell and bash scripting.
Overhauled AWS accounts to follow latest security best practices, thus reducing attack surface.
Reduced AWS costs by over 25% through implementation of AWS Lambda scheduling services, tagging strategy and right sizing services.
Improved monitoring services from a blackbox to a combination of whitebox monitoring system for all production systems.
Improve application database (MSSQL) via migration to a cluster architecture using Microsoft AlwaysOn High Availability.
Collaborate with developers using agile practices(scrums,retros) to achieve sprint goals.
Virtualize physical server platforms and migrate existing virtualized environment from Citrix XenServer to Windows 2012 R2 Hyper-V. Consolidating all platform to be easily managed.
Design, implement and administrate LMS (Moodle) with integration to AWS S3, CloudFront, Windows & Linux systems that services more than 500 students and 50 teachers per year.
Coordinate with external developers for various company projects. Building secure on premise/cloud environment for external developers’ test deployment work progress and management of version control deployment via GitHub.
Migrate mail server of 600 mailbox users from Exchange 2007 to Exchange 2013 and further implement HA capability which provides failover to interstate branch when a disaster occurs. Continuous administration and report generation via PowerShell.
Design and upgrade network infrastructure using combination of Cisco, Dell & Ubiquiti network products. This includes installation and configuration of routers, layer 3 & 2 switches and access points.
Responsible for migrating existing services from a single data center to a co-located environment. Data Centre Experience; Performed various hardware upgrades and racked/cabled new servers.
Provided continuous 24/7/365 primary on-call support for all server applications and systems.
Wrote and maintained comprehensive documentation on the applications and system architecture.