George Charalampopoulos

Experience

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  Computer Solutions

  Jul 2011 - Aug 2011

  University Student Internships
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  Greek Army

  Dec 2012 - Aug 2013

  IT Supporter
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  Municipality of Aristotle

  Jan 2014 - May 2014

  IT Support Assistant
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  Plaisio - Πλαίσιο

  Apr 2015 - Aug 2015

  Technical Services Assistant

  - Assembled new computers, desktops, and laptops, ensuring high-quality hardware configuration and performance.- Provided technical support and troubleshooting for laptops, desktops, and tablets, diagnosing and resolving hardware and software issues to ensure optimal functionality for end users.

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  Hellas Gold S.A.

  Aug 2015 - Oct 2018

  Industrial Automation and Network Engineer – SCADA, PLC, and IT Infrastructure

  - Networked PLCs with SCADA Server-Client systems and managed the entire IT infrastructure (ESXi) to ensure seamless communication and operational stability.- Programmed Cisco L2 and L3 switches using subnets to establish reliable communication between SCADA Servers, PLC controllers, OPC, and SQL servers, optimizing industrial automation processes.- Commissioned mineral processing plants, providing expert troubleshooting for instrumentation and ensuring smooth plant operations.- Debugged PLC and SCADA systems using Siemens TIA Portal and WinCC, ensuring efficient automation control and minimizing system downtime.- In-depth knowledge of automation sensors (4-20mA), including configuration, calibration, and integration into industrial automation systems.- Configured Variable Speed Drives (VSDs) and various low-level devices and sensors, enhancing equipment control and performance.- Utilized specialized equipment (Fusion Splicer) for splicing optical fiber networks and managing structured cabling, ensuring reliable data communication infrastructure.- Provided direct support to the production unit, maintaining 24/7 functionality and operational efficiency through continuous monitoring and quick issue resolution. Show less

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  Eunice Energy Group (E.E.G.)

  Oct 2018 - Oct 2020

  Automation - SCADA Systems and Network Engineer

  - Designed and developed SCADA systems for the Small Wind Turbine EW-16 using AVEVA Indusoft Web Studio, ensuring efficient control, monitoring, and data acquisition for renewable energy operations.- Debugged PLC code for the EW-16 Wind Turbine using Eaton PLCs with CodeSys software, optimizing turbine performance and ensuring reliable automation.- Hands-on experience with Photovoltaic (PV) inverters, establishing communication with SCADA systems via Modbus protocols to enable real-time monitoring and control of solar power generation systems.- Configured and maintained the company’s network and IT infrastructure, including Mikrotik routers, servers, and industrial communication networks, ensuring secure and reliable connectivity.- Provided IT support across multiple departments, managing requests and ensuring uninterrupted operations through effective troubleshooting and maintenance.- Configured in-house manufactured electric vehicle chargers, integrating them into the existing infrastructure and ensuring seamless operation and monitoring. Show less

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  MAS S.A.

  Oct 2020 - Dec 2021

  IT/OT - SCADA Systems and Network Engineer

  - Led the implementation of SCADA projects for energy management, ensuring efficient data collection and control.- Developed SCADA systems using AVEVA Edge, delivering user-friendly interfaces and robust automation solutions.- Configured SCADA software components, including MySQL databases and OPC Servers, to enable seamless data exchange and system integration.- Set up and managed network equipment (Mikrotik routers) to provide secure remote access and control of SCADA systems, enhancing operational flexibility and reliability.- Achieved successful communication with a variety of vendors and industrial devices by implementing and managing diverse communication protocols such as Modbus, Profinet, OPC UA, and DNP3, ensuring seamless data exchange and integration across multiple platforms. Show less

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  MAS S.A.

  Apr 2022 - Apr 2023

  IT/OT - SCADA Systems and Network Engineer

  - Continued development and implementation of SCADA projects for energy management while working remotely, ensuring seamless integration with existing systems and maintaining high performance across multiple sites.- Enhanced SCADA systems using AVEVA Edge, focusing on energy management logic and improving data visualization and control remotely.- Managed remote configuration of MySQL databases, OPC Servers, and Mikrotik routers, ensuring reliable data exchange, system integration, and secure remote access. Show less

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  BRF

  May 2023 - now

  IT/OT System Analyst

  - Established communication between multiple industrial devices using Kepware, implementing industrial communication protocols (Modbus, OPC UA, Profinet) to efficiently collect and transmit data for SCADA systems, supporting Industry 4.0 integration and real-time monitoring.- Managed and maintained IT and Automation infrastructure for a 24/7 non-stop production unit, ensuring continuous operations, system reliability, and seamless integration of industrial automation and IT systems.- Oversaw the deployment of IT/AV systems and access control solutions for new company offices, ensuring timely and within-budget delivery. Show less