John Eduard S. Castillo is a network engineer and NOC team lead with over 8 years of experience. He has technical qualifications including CCNP and CCNA Security certifications. He is currently a NOC/Network Engineer/Subject Matter Expert at Fujitsu - Werserv, where he provides network support for Fujitsu America and its clients through remote implementation, management, and troubleshooting. Previously he worked as a Technical Administrator/NOC support at Globe Data Center and as a J1H/BPO Technical Support at Accenture Delivery Center. He has a Bachelor's degree in Computer Engineering from De La Salle University.