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Jonathan is an experienced IT professional with a strong background in Unix/Linux systems and cloud architecture. Serving as a Lead Engineer at Lumen Technologies from June 2022 to July 2024, Jonathan specialized in resolving critical UNIX/Linux and VMware ESX escalations and managed client interactions. Prior to this, at Singtel, Jonathan focused on server security management and system availability. Jonathan's career includes key roles at GlobalSign, Sakura Internet Inc, and HungryGoWhere, contributing to enterprise PKI system deployment and cloud infrastructure tailored for WordPress. Jonathan started in IT as a Senior System Administrator at KDB Daewoo Securities Indonesia and further developed expertise as an Information Technology System Engineer at MITRABIZ Andalan Solusi. Jonathan holds a Bachelor of Systems Information in Information Technology from BINUS University.