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Dimitris GiannakopoulosDG
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Dimitris Giannakopoulos

@dimitrisgiannakopoul

Software & Data Engineer at Hellenic Navy, architecting hospital monitoring and security systems.

Greece
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At Hellenic Navy - Athens Naval Hospital, I architected a production ELK stack that ingests hospital operational data and serves interactive dashboards to clinical and administrative staff.

I also deployed and tuned Wazuh agents across the hospital’s server fleet for SIEM, log correlation, file integrity monitoring, and threat detection.

At Virginia Tech, I optimized CUDA/C kernels in a production scientific solver, raising achieved occupancy from under 8% to over 95%. I also built a CUDA-based auto tuner to compute and apply launch parameters.

On the DARPA / US Navy photonic simulation project, I co-developed a GPU-accelerated 3D FDTD Maxwell solver in Julia and CUDA.jl, and contributed to the ACS Photonics publication.

Experience

Work history, roles, and key accomplishments

HH
Current

Software & Data Engineer (Mandatory Military Service)

Hellenic Navy - Athens Naval Hospital

Nov 2025 - Present (10 months)

Architected a production ELK stack ingesting hospital operational data, serving interactive dashboards to clinical and administrative staff. Deployed and tuned Wazuh agents across the hospital's server fleet for SIEM, log correlation, file integrity monitoring, and threat detection.

Virginia Tech logoVT

Graduate Research and Teaching Assistant

Jan 2024 - May 2025 (1 year 4 months)

Optimized CUDA/C kernels in a production scientific solver, raising achieved occupancy from under 8% to over 95% through register pressure reduction and coalesced memory access patterns. Held weekly office hours and graded coursework for Applied Software Design and Applications of Machine Learning.

Education

Degrees, certifications, and relevant coursework

Virginia Polytechnic Institute and State University logoVU

Virginia Polytechnic Institute and State University

Master of Science, Computer Engineering

2024 - 2025

Master of Science in Computer Engineering from Virginia Tech, completed from January 2024 to May 2025.

University of Ioannina logoUI

University of Ioannina

Integrated Master's (BsC & MsC 5-year Diploma), Computer Science and Engineering

2018 - 2023

Integrated Master's (5-year Diploma) in Computer Science and Engineering from the University of Ioannina, completed from October 2018 to October 2023.

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