Alexandros Tsonis
Network And Security Architect at Heraklion International Airport, Crete
Greece
Summary
👤
Senior🎓
Top SchoolAlexandros Tsonis is a Network and Security Architect with over a decade of hands-on experience designing and operating resilient enterprise networks in high-pressure, mission-critical environments across Greek airports and major enterprises. He combines deep protocol-level expertise in IP/MPLS, BGP, OSPF and SIP with practical VoIP and contact center engineering—having managed thousands of Cisco IP phones and deployed CUCM, CCE and Unity solutions. Cisco CCNP-certified and skilled with Check Point, F5 and a range of monitoring tools, Alexandros excels at bridging network design, security and operational readiness. His MSc in Communication Systems and Networks underpins a methodical, research-informed approach to troubleshooting and capacity planning. Notably, he has moved from frontline network support to architecting security and network strategy for Heraklion International Airport, demonstrating both technical depth and operational leadership.
10 years of coding experience
9 years of employment as a software developer
Master of Science (MSc), Communication Systems and Networks, 8.25/10, Master of Science (MSc), Communication Systems and Networks, 8.25/10 at Ethnikon kai Kapodistriakon Panepistimion Athinon
English, French
Github Skills (5)
editable8
arduino7
arduino-ide7
simulation4
simulator4
Github contributions (5)
sotpapathe/NeuroticNetwork
Dec 2015 - Nov 2016
Contributions:53 commits, 2 PRs, 53 pushes in 11 months
simulatornetwork-simulatorsimulation
alextsonis/NumMethods
Feb 2017 - Jun 2018
Contributions:5 pushes, 1 branch in 1 year 4 months
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