Giannis Theodosopoulos

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Born in Tripolis, Arcadia, Greece.

Academic Education

MSc in Information Systems, Hellenic Open University (2010).
Dissertation: “Help Desk ticketing system” (UML, PHP/MySQL).

BSc in Physics, University of Ioannina (1996).

Graduate project: “Radio Communications”.

Professional Experience

Jun 2014 - Dec 2015 National and Kapodistrian University of Athens. Position: Freelance contributor for the Open Courses project. Responsibilities: Conversion of Educational material in new templates, Video lecture synchronization and Copyright checks (

Jan 2012 – now Webpage Development (Joomla 2.5, Control Panel, HTML, CSS) and IT support for small / middle companies (portfolio).

Sep 2012 – now Tutorial lessons for High School Students in Physics, Chemistry and Mathematics. Volunteer participation in the social tutor school of North Kynouria municipality. Visit openeclass.

May 1999 – Aug 2012 Intracom SA. Position: Systems analyst / technical support of OPAP S.A. Data Centre. 

Major responsibilities: Data centre infrastructure monitoring (Nagios), problem detection, determination, solving / escalation. Installations, upgrades, configuration and maintenance of MS Windows, CentOS Linux, IBM AIX Unix, DEC Open VMS servers. Backup / Restore scripts and procedures (Netbackup, IBM TSM). LAN support (Cisco equipment, Fortinet Fortigate Firewall). Telecom lines monitoring. Production and reviewing of daily procedures.


Oct 2005 "IBM AIX 5L Basics, Administration I, II" (Implementation & Problem Determination).

Jan 2004 "Introduction to C++" (AIT, Intracom S.A.)

Mar 2001 Training course “Administering Windows NT 4.0” (New Horizons).

Summer period 2000 Training course "Open and Distance Education" (Hellenic open university).

Spring semester 1999 Vocational training course: "Consultants in Information Systems Reengineering" (KEK Analysis, 500 hours).

Computer Skills

OS Platforms: Microsoft Windows, IBM AIX 5L Unix, CentOS Linux, DEC Open VMS.

Programming languages: Java, Visual Basic, ANSI C, PHP.

Web: Joomla 2.5, Open E-class, Control Panel, HTML, CSS, JavaScript.

Databases: MySQL, Relational Database Design.

Networks: TCP/IP, Decnet, Cisco routers/switches, Fortinet Fortigate Firewall, CheckPoint Firewall, Nagios monitoring tool.


Greek: Native

English: Fluent, First Certificate in English, Cambridge University (1993)

Italian: Fluent, Siena CILS B2, Perugia CELI 3, Diploma di Lingua Italiana (2007),C1 (2013)

Spanish: Basics, Basico – Instituto Cervantes (2003)

Personal Interests

Sports, Education, Technology, Company with friends, Traveling.