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John G. is a Technical 1st Level Support Engineer at Optasia since September 2023, specializing in monitoring software, VPNs, servers, and network infrastructure using Nagios and Grafana for proactive issue detection. Previous experience includes a Customer Support Agent L2 role at Sitecore, providing assistance to business and enterprise customers, as well as a Customer Support Agent position at Moosend. John also served as a Game Support Agent at Teleperformance, helping players with gaming and billing issues, and as a Sales Specialist, managing complex sales inquiries. Early career experience includes a Junior Network Engineer position at Athens International Airport, where responsibilities included updating technical documents and contributing to Wi-Fi connectivity troubleshooting. John G. is currently pursuing a Bachelor's degree in Information Technology from The American College of Greece, with studies ongoing since 2011.