Martin Holzberger

Angestellt, Principal Manager Collaboration & Messaging Services, Vodafone Group
Düsseldorf, Germany

Fähigkeiten und Kenntnisse

Highly skilled and motivated IT professional with
Leadership of global multinational distributed Tea
Digital Workplace
business transformation
organisational design and changes
IT Service Management and Outsourcing
Office365 SharePoint

Werdegang

Berufserfahrung von Martin Holzberger

  • Current 1 year and 9 months, since Oct 2024

    Principal Manager Collaboration & Messaging Services

    Vodafone Group

    Leading the globally distributed Vodafone Collaboration & Messaging Services Team (+100 Team Members) to deliver the Digital Workplace to the Vodafone employees worldwide. Accountable for the business, functional and technical requirement management for the Vodafone Collaboration & Messaging Services targeting the complete Vodafone workforce. Take end to end accountability for the overall product and service management across the entire lifecycle of the Collaboration & Messaging Service portfolio.

  • 12 years and 6 months, Apr 2012 - Sep 2024

    Principal Manager Collaboration Services

    Vodafone Group Services GmbH

    Leading the Vodafone Global Applications Collaboration Domain to deliver best in class Collaboration Services to the Vodafone employees. To take end to end accountability for continuous service provision of all Collaboration services operated by Global Applications and external partners at agreed service levels at highest quality and lowest possible costs

  • 1 year and 11 months, May 2010 - Mar 2012

    Principal Manager Enterprise & Web Applications

    Vodafone Group Services GmbH

    Leading the Enterprise and Web Application department within Vodafone Global Applications, responsible for service implementation and operations for large-scale enterprise web and business services, global service enablers for multinational markets and internal Vodafone users, across 23 local markets.

  • 1 year and 6 months, Nov 2008 - Apr 2010

    Principal Service Transition Manager

    Vodafone Group Service GmbH

    Responsible for Demand, Project and Programme Management with focus on Service Transition Management for Global Applications (GA) / IT Services. Manage End-to-End Deployment of Global Applications Services for Vodafone Operating Companies Group Functions and external customers within agreed timelines and in the most cost efficient and customer friendly manner.

  • 1 year and 7 months, Apr 2007 - Oct 2008

    Principal Manager Application Operations Project Support

    Vodafone Group Services GmbH

    Project Management for Global Applications delivering projects according to the defined targets and standard. Ensure operational readiness and a fault free transition into live operations for every new product and service that is implemented into the Vodafone Global Hosting Centre

  • 2 years and 6 months, Oct 2004 - Mar 2007

    Manager Operability Assurance

    Vodafone Group Service GmbH

    Project management and managing operational readiness and a fault free transition into live operations for every new product and service that was implemented into the global hosting centre

  • 1 year and 1 month, Sep 2003 - Sep 2004

    Gruppenleiter Integration & Concepts Multimedia Services

    Vodafone D2 GmbH

    Project management within an operations function, managing the operational readiness, the Go Live and Observation Period as part of the service delivery process.

  • 2 years and 8 months, Jan 2001 - Aug 2003

    Teamleiter Operation Transport Networks

    Vodafone D2 GmbH

    Setup and implement with my team the 2nd Level support for Vodafone Germany’s data backbone by managing the entire data transfer of the internal and external services portfolio.

  • 1 year and 7 months, Jun 1999 - Dec 2000

    Systemingenieur Data Networks

    Vodafone D2 GmbH

    Deliver the 2nd level support for the complete data backbone for Vodafone Germany, including planning and execution of SW Rollouts, system administration and script programming of a UNIX environment.

  • 4 years and 5 months, Jan 1995 - May 1999

    Betriebsingenieur Network Management Centre

    Vodafone D2 GmbH

    Responsible for Operation and Maintenance of the Vodafone D2 GSM Network, the Data backbone and the entire value added services of D2, as part of a 24 x7 support organization

Ausbildung von Martin Holzberger

  • 4 years and 10 months, Mar 1990 - Dec 1994

    Elektrotechnik

    Fachhochschule Mannheim

    Nachrichtentechnik

Sprachen

  • German

  • English

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