Ian Sweetser
Billing Analyst at Telefónica Germany im Auftrag von ThinX GmbH | Greater Hamburg Area
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Ian Sweetser currently serves as a Billing Analyst at Telefónica Germany, working on behalf of ThinX GmbH. In this role, he leverages his extensive 30+ years of experience in the telecommunications industry to provide expert guidance on billing processes and systems. Ian's primary responsibilities include the detailed analysis, design, and functional specification of billing functionalities, ensuring that complex requirements from diverse stakeholder groups—such as Business, Customer, and Partner divisions—are accurately captured and translated into technical solutions. His expertise in business- and application requirement gathering, combined with his deep understanding of software architecture and design, enables him to facilitate seamless communication between technical teams and business units.
Ian plays a crucial role in the refinement and validation of billing processes, utilizing his skills in Oracle databases, WebLogic, and IBM Rational Tools to support system development and deployment. His proficiency in requirements analysis and functional description ensures that the billing systems are robust, scalable, and aligned with strategic objectives. Additionally, Ian provides fachliche Beratung (professional consulting) on process optimization and technical specifications, contributing to the continuous improvement of billing operations within Telefónica Germany.
His comprehensive knowledge of software design, porting, and operational support, coupled with his fluency in both German and English, makes him a key asset in cross-functional projects. By applying his expertise in CTI, Toad, and other industry-standard tools, Ian ensures that the billing solutions not only meet current demands but are also adaptable for future innovations, ultimately supporting Telefónica’s goal of delivering reliable and efficient telecommunications services.
Billing Analyst at Telefónica Germany im Auftrag von ThinX GmbH in April 2024 to Present
Technical Product Owner / Senior Analyst at Telefónica Germany on behalf of CosMicIT GmbH / Tech Mahindra GmbH in August 2022 to December 2023
Senior System Analyst at Telefónica Germany on behalf of CosMicIT GmbH / Tech Mahindra GmbH in April 2022 to July 2022
System Specialist at Telefónica Germany on behalf of CosMicIT GmbH / Tech Mahindra GmbH in April 2021 to March 2022
System Architect at Telefónica Germany on behalf of CosMicIT GmbH / Tech Mahindra GmbH in October 2019 to March 2021
Software Architect at Telefónica Germany on belhalf of STI GmbH in July 2019 to September 2019
Support-Ingenieur at Telefónica Germany im Auftrag der M Outsourcing Centre GmbH & Co KG in November 2018 to June 2019
Data Migration Specialist at Telefónica Germany im Auftrag der M Outsourcing Centre GmbH & Co KG in November 2015 to October 2018
Technical Product Owner at Telefónica Germany im Auftrag der CosMicIT / Tech Mahindra GmbH in August 2014 to October 2015
System Specialist at Telefónica Germany im Auftrag der M Outsourcing Centre GmbH & Co KG in August 2011 to July 2014
Softwarearchitekt at M Outsourcing Centre GmbH & Co KG in October 2010 to July 2011
Software Architect at M Outsourcing Centre GmbH & Co KG in June 2010 to September 2010
Software architect at Telefónica Germany on behalf of M Outsourcing Centre GmbH & Co KG in February 2010 to June 2010
Software Architect at debitel im Auftrag der Hays AG in October 2008 to December 2009
Software Architect at OTTO im Auftrag der Hays AG in July 2008 to September 2008
Software Architect / Tester at Telefónica O2 Germany im Auftrag der Michael Bailey Associates GmbH in February 2005 to June 2008
Test Specialist at Telefónica O2 Germany im Auftrag der Triag Consultancy Ltd. und T-Systems GEI GmbH in June 2003 to March 2005
CRM Conversion Test Consultant at Vodafone im Auftrag der NCR GmbH und ECI Contracts Ltd. in February 2001 to May 2003
Vantive Consultant at Lufthansa im Auftrag der PriceWaterhouseCoopers in July 2000 to December 2000
Project Leader / Technical Team Leader / Entwickler at SoftPlus Europe Ltd. in April 1998 to July 2000
Project Leader / Software Developer at Deverill Computers PLC in May 1997 to April 1998
Software Developer at Bourne Training Systems in May 1995 to April 1997
Software Developer / System Administrator at IBM UK Laboratories Ltd., Hursley Park, England in August 1990 to May 1995
Appenticeship in Electronic Engineering at Kent Industrial Measurements Ltd. in August 1983 to July 1987
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Trailhead by Salesforce, July 2026
University of York, Bachelor of Engineering, July 1987 to July 1990
Goethe Institute, Zertifikat Deutsch, July 2026
IBM bei Telefónica O2 Germany, Ausbildung, July 2026
IBM bei Telefónica O2 Germany, Ausbildung, July 2026
IBM bei Telefónica O2 Germany, Ausbildung, July 2026
ISEB (Information Systems Examinations Board; The British Computer Society) bei Debis, München, Certification ”Foundation Certificate in Software Testing”, July 2026
Bedford College of Higher Education, HTEC Certificate, July 1983 to July 1987
Kent Industrial Measurements Ltd., July 1983 to July 1987
Sandy Upper School, O Levels, July 1983
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Abrechnungsprozess
Kreditanalyse
DevOps
Anforderungserfassung
Agiles Projektmanagement
Datenanalytik
Anwendungsarchitektur
Datenanalyse
Deutsch-Englisch
Software-Projektleitung
Datenbanken
Softwaredesign
Betriebssysteme
Analyse der Geschäftsanforderungen
Geschäftsprozesse
Customer-Relationship-Management (CRM)
Ressourcenplanung
Projektmanagement
QA
Testautomatisierung
Oracle-Datenbank
Design
J2ee
SQL
Workflow-Software
CTI
Rechnungswesen
Customer checking
DWH
Portierung
ISEB Certified
Middleware
Scripting
Toad
Tuxedo
IBM Rational Tools
Unix
Datenmigration
Assembler
C (Programmiersprache)
Jms
Jython
Java
Shell-Scripting
Testrunner
Microsoft Teams
WebLogic
Softwareentwicklung
Testing
JIRA
Confluence
Fehler-Ursachen-Analyse
Ursachenorientierte Problemlösung
Systemanalyse
WBCI Spezifikation
Business-Analyse
Anforderungsanalyse
Analytische Fähigkeiten
Interfacedesign
Systemarchitektur
Oracle SQL Developer
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What is Ian Sweetser email address?
Email Ian Sweetser at [email protected]. This email is the most updated Ian Sweetser's email found in 2026.
How to contact Ian Sweetser?
To contact Ian Sweetser send an email to [email protected]. (updated on March 24, 2025)
What company does Ian Sweetser work for?
Ian Sweetser works for Telefónica Germany im Auftrag von ThinX GmbH
What is Ian Sweetser's role at Telefónica Germany im Auftrag von ThinX GmbH?
Ian Sweetser is Billing Analyst
What is Ian Sweetser's Phone Number?
Ian Sweetser's phone (**) *** *** 242
What industry does Ian Sweetser work in?
Ian Sweetser works in the Telecommunications industry.
Ian Sweetser Email Addresses
Ian Sweetser Phone Numbers
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