Türk Telekom
Sabri Ceylan is a Cyber Security Senior Specialist at Türk Telekom since January 2023, responsible for implementing L3/4 - L7 DDoS services for corporate clients, managing firewall setup and troubleshooting, overseeing SSLVPN, and providing WAF services. Prior to this role, Sabri worked as a Data Services Design Expert at Vodafone from November 2021 to January 2023, focusing on MPLS VPN and internet project design for corporate clients across various industries. Sabri's experience also includes positions as a Network Specialist at KoçSistem and a Data Services Delivery Specialist at Vodafone, involving the configuration of Cisco and Huawei devices according to topology and troubleshooting technical issues. Additionally, Sabri started as a Technical Support Engineer at Vodafone, resolving issues related to various network services. Sabri holds a Bachelor's Degree in Electronics and Communication Engineering from Suleyman Demirel University, completed in 2016.
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Türk Telekom
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Türk Telekom, with 179 years of history, is the first integrated telecommunications operator in Turkey. In 2015, Türk Telekomünikasyon A.Ş. adopted a “customer-oriented” and integrated structure in order to respond to the rapidly changing communication and technology needs of customers in the most powerful and accurate way, while maintaining the legal entities of TT Mobil İletişim Hizmetleri A.Ş. and TTNET A.Ş. intact and adhering to the rules and regulations to which they are subject. Having a wide service network and product range in the fields of individual and corporate services, Türk Telekom unified its mobile, internet, phone and TV products and services under the single “Türk Telekom” brand as of January 2016.