Siegfried Tommasi is an experienced professional with a strong background in test engineering and system integration, currently serving as Teamleiter Testengineering Zahlungsverkehr at PostFinance Ltd since January 2015. Prior to this role, Siegfried was a candidate at OasYs Consultants and held various positions at Nagravision Kudelski Group, including Head of System Integration & Validation, where management of a 20-member team and improvement of system quality were key responsibilities. Siegfried also led a multifunctional team of 30 individuals for set-top box validation services. Earlier career experience includes managing integration services at the Nagravision Kudelski Group and working as a Senior Software Engineer at Landis&Gyr Communications. Siegfried holds a Dipl-Ing. (Univ.) in Elektrotechnik from the Technical University of Munich.