Hartmut Claussner

Employee, IT-Sales Engineer, Ostertag DeTeWe GmbH

Berlin, Germany

Timeline

Professional experience for Hartmut Claussner

  • Current , since 2018

    IT-Sales Engineer

    Ostertag DeTeWe GmbH

  • 2014 - 2018

    IT-Sales Engineer

    DeTeWe Communications GmbH - A Mitel Company

  • 2001 - 2014

    IT-Consultant

    DeTeWe Communications GmbH

  • 1991 - 2001

    Pre Sales

    DeTeWe Communications GmbH

Languages

  • German

    First language

  • English

    Intermediate

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