Ioannis Xanthopoulos

Domain Architect

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Thessaloniki, Greece

Experience

Nov 2024 - Present
1 year 3 months
Thessaloniki, Greece
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NN Greece

  • IP23.10 production support (Troubleshooting / Maintenance / Administration)
Nov 2024 - Mar 2025
5 months
Thessaloniki, Greece
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Allianz Ireland

  • Decryption of approx. 100 million Siebel fields
Sep 2023 - Present
2 years 5 months
Thessaloniki, Greece
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Piraeus Bank Greece

  • Upgrade v8 => IP22.2 (On-going administration + Hands-on execution of the upgrade)
Aug 2018 - Present
7 years 6 months
Thessaloniki, Greece

Domain Architect

Vodafone Greece

  • Upgrade IP18.12 => IP24.12 (Domain Architect + Hands-on execution of the upgrade)
  • Production support (Troubleshooting / Maintenance / Administration)
  • Upgrade v8 => IP18.12 (Domain Architect + Hands-on execution of the upgrade)

Summary

I am a freelance contractor with 25 years hands on experience in Siebel projects.

I completed numerous such projects in England, Netherlands, Switzerland, Germany, Ireland, Greece and the U.A.E.

Languages

Greek
Native
German
Advanced
English
Advanced
Chinese
Elementary

Education

Oct 1996 - Oct 1997

Cyprus International Institute of Management

Masters in Business Administration, Finance · Business Administration · Nicosia, Cyprus

Oct 1987 - Jul 1992

Aristotles University of Thessaloniki

Dipl. Elec. Eng. TU, Telecommunication systems · Electrical Engineering · Thessaloniki, Greece

Sep 1984 - Jul 1987

23rd Lyceum - Kalithea

Lyceum · Thessaloniki, Greece

...and 3 more

Certifications & licenses

Certified AWS Cloud Practitioner

GR

Certified Salesforce Platform Developer I

GR

Certified Salesforce Administrator

GR

SIEBEL Core Consultant v8 certification

DE

SIEBEL Core Consultant v6 certification

DE

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