John Maragiannis

John Maragiannis is an experienced IT professional with a robust background in system support, software engineering, and IT management. Currently serving as a Senior System Support Engineer at Cosmos Business Systems since August 2019, John has previously held key roles including Senior Software Engineer at PERFORMANCE Technologies S.A. and IT Manager at the Centre of Planning and Economic Research. John's career commenced in 1990 with positions as a Senior Systems Engineer at AMPER S.A. and GE, followed by a tenure as Unix Manager at PC SYSTEMS S.A. John Maragiannis obtained a High Level degree in Informatics from the University of Patras, completing studies in 1987.