Stylianos Karagannis

Software and Network Engineer with a strong academic background in Computer Engineering and hands-on experience in software testing, Python development, and network-related operations. Experienced in validating predictive models, functional testing, and supporting data-driven projects in the energy sector. Skilled in Python, SQL, Java, C/C++, HTML/CSS, and networking fundamentals.

A proactive problem solver with strong analytical, communication, and teamwork skills, eager to contribute to innovative technology projects while continuously expanding technical expertise

DC Engineer at Ti Sparkle (2026-05 – Present)

DC Engineer responsible for maintaining the availability, performance, and reliability of critical data center infrastructure. Manage server installations, hardware maintenance, and fault diagnosis while supporting network, power, and environmental systems to ensure uninterrupted operations. Perform rack and stack deployments, cabling, hardware upgrades, preventive maintenance, and incident resolution, collaborating with internal teams and vendors to deliver efficient and secure data center services.

Committed to maintaining high operational standards, minimizing downtime, and supporting business-critical infrastructure.

Python Script Tester at DEDDIE (2024-12 – 2025-02)

Executed and validated predictive models for energy demand and supply forecasting, supporting strategic planning initiatives by leveraging historical consumption and production datasets to assess model accuracy and ensure reliable functional testing and documented findings to improve system performance and forecasting consistency while supporting data-driven decision-making processes that contributed to operational efficiency and long-term energy planning.

General Services Administrator at Bits and Bytes Internet Cafe (2023-05 – 2024-01)

Coordinated and supervised daily administrative and operational activities to ensure efficient service delivery. Managed inventory, processed transactions, supported customer service, and maintained organized workflows within a fast-paced environment.

Bachelor & Masters in Computer engineering – University of West Attica (2015 – 2025)