Company
Stefan-A. Müller
Basic
Angestellt, Operating Office Manager / Agile Coach - Beschwerdemanagement, Deutsche Telekom Service GmbH, DTS
Bonn, Germany
Timeline
Professional experience for Stefan-A. Müller
Current 1 year and 8 months, since Jan 2021
Operating Office Manager / Agile Coach - Beschwerdemanagement
Deutsche Telekom Service GmbH, DTS
Current 4 years and 6 months, since Mar 2018
Leiter Einsatzdienste (Katastrophenschutz)
Malteser Hilfsdienst e.V. - Bonn
10 years and 2 months, Nov 2010 - Dec 2020
Senior IT Security Manager
Telekom Deutschland GmbH
7 months, Apr 2010 - Oct 2010
Senior IT Service Manager
Telekom Deutschland GmbH
3 years and 3 months, Jan 2007 - Mar 2010
Senior IT Service Manager
T-Mobile Deutschland GmbH
2 years and 4 months, Sep 2004 - Dec 2006
Service Level Manager BI Operations
T-Mobile Deutschland GmbH
Consultant
6 months, Apr 2004 - Sep 2004
Consultant
DB-Systems GmbH
Projektleiter Incident Management Mobile Devices
1 year and 10 months, Jan 2002 - Oct 2003
Consultant - IBM Software Services for Lotus
IBM Deutschland GmbH1 year and 1 month, Dec 2000 - Dec 2001
Consultant - Lotus Professional Services
Lotus Development GmbH - An IBM Company
Educational background for Stefan-A. Müller
2000 - 2000
North American Studies
Illinois State University
5 years and 11 months, Oct 1996 - Aug 2002
Wirtschaftswissenschaften / Wirtschaftsrecht
Universität Paderborn
IT-Recht, Medienrecht, Unternehmensorganisation, Personalführung
Languages
German
First language
English
Intermediate