John Romiel D. Sunga is a System and Database Administrator based in Singapore with over 5 years of experience managing cloud infrastructures on AWS and Azure. He has expertise in technologies like Linux, Cisco, VMWare, and monitoring tools. Currently he is responsible for maintaining and monitoring over 600-700 production servers on AWS and Azure clouds. Previously he worked as a Network/System Engineer at OLX.ph where he managed servers, implemented monitoring tools, and provided technical support. He holds a B.S. in Information Communication and Technology from San Beda College Manila and certificates in CCNA Routing and Switching.