Ioannis Krabis is a highly experienced Software Development Manager currently at Mitel since October 2023, after serving as Software Quality Assurance & Customer Support Team Manager and Senior QA Engineer at Atos from January 2018 to September 2023. Prior to Atos, Ioannis held similar roles at Unify, where responsibilities included Senior QA Engineer, Scrum Master of the Devices Test Team, and Project Leader for Openstage Sip Devices Quality Assurance from October 2013 to January 2018. Earlier in the career, Ioannis worked at Siemens Enterprise Communications, focusing on quality assurance and vendor support for Openstage Sip Devices from May 2009 to October 2013, and as an Openscape voice quality assurance engineer from February 2008 to May 2009. Educational qualifications include a Master's Degree in Applied Physics from the National Technical University of Athens and a Master's Degree in Digital Communications and Networks from the University of Piraeus.
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