Stefanos Harhalakis
Site Reliability Engineer at Google
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolStefanos Harhalakis is a Site Reliability Engineer with 20 years of systems and network administration experience, currently helping run Stadia infrastructure at Google in London. He blends deep hands‑on expertise in systems programming (C/C++), Python and shell with a long history of Debian package maintenance and open source contributions. His background spans cloud SaaS operations, large-scale reliability work across Google Cloud and Android/Play platforms, and technical leadership at Oracle where he balanced operational stability with change. A former CCNA instructor and university lab lead, he brings strong teaching and process skills that complement his technical problem solving. He is particularly skilled at filtering noisy data into actionable conclusions—a strength born from research experience and long-term troubleshooting. Outside work he remains an active hobbyist developer, applying decades of practical networking and security know‑how to both tools and web projects.
20 years of coding experience
17 years of employment as a software developer
MSc, IT, MSc, IT at University of MacedoniaBS, Information Technology, BS, Information Technology at Technologiko Ekpaideutiko Idrima, Thessalonikis
Greek, English
Github Skills (90)
encryption10
ssl10
decryption10
altium-designer9
crypto9
ntp9
igmp9
tls139
cryptography9
openssl9
docker-compose8
udp8
ubuntu8
wake-on-lan8
ospf8
Programming languages (7)
Github contributions (5)
sharhalakis/fsprotect
Mar 2009 - Jan 2017
Contributions:27 commits, 4 pushes, 1 branch in 7 years 11 months
linuxhelper-toolfilesystemshelper-scriptsimmutable
sharhalakis/vdns
Jan 2016 - Oct 2022
Contributions:43 commits, 7 pushes, 1 branch in 6 years 9 months
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