David Liu

David Liu is a Senior Technical Specialist at Optus since 2019, leading projects within the IP Service Design group, focusing on architecture, design, testing, and implementation of IP products for various customer segments. Prior to Optus, David served as a Solution Architect at Nokia from 2009 to 2018, specializing in Telco Cloud Infrastructure and public safety solutions, and previously worked in consulting roles concerning network solutions. David's earlier experience includes a Senior IP Specialist/Architect role at Nokia Siemens Networks, providing consultancy services to major telecommunications companies across Australia and New Zealand. David began a career in network engineering at Flow/Green Communications Ltd and as a network support engineer in Harbin, China. David holds an education from Harbin Institute of Technology.