Marcelino Fernandes is an experienced IT professional specializing in system engineering, particularly with Windows systems and Active Directory. Currently serving as a Windows System Engineer at AS International Group since July 2014 and additionally as an Active Directory System Engineer at BNP Paribas since May 2018, Marcelino has extensive experience in third-level support, infrastructure maintenance, and automation using PowerShell. Previous roles include systems engineering positions at FRANFINANCE and Ozitem, as well as systems and network administration at various companies such as Air France and Mercedes-Benz France. Marcelino holds a Level II University diploma in network and system administration from Pierre and Marie Curie University and has a background in managing server infrastructures, implementing group policies, and enhancing system performance across diverse corporate environments.