SFR
Yassine Guissi is an experienced IT professional with a solid background in system and network administration. Currently serving as an Administrateur système at SFR since February 2018, Yassine has previously held roles including Ingénieur Système et Intégration Linux Confirmé at Sofrecom and System & Network Linux Administrator at OWLIANCE, where responsibilities included OS administration and server implementation using VMware ESXi. Additional experience includes IT support and system administration at ADACTIS, OXIA, and Stream Global Services. Yassine holds a master's degree in computer science from the Faculty of Sciences of Tunis and a baccalauréat in mathematics from Lycée Montfleury.
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SFR
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SFR is the number one alternative telecoms operator in France. SFR is also an operator providing a comprehensive range of services meeting the expectations of private and business customers alike, offering them the best of the digital world. At year-end 2011, the total number of mobile customers was 21.5 million, and the active broadband residential customer base represented 5 million customers, which represent respectively a 31.3% and 22% market share.