Safa BELHAJ MESSAOUD is an experienced network and security engineer currently employed at Eutelsat Group, specializing in LAN and WAN management, security policy implementation, and incident management. Previously, Safa served as Project Manager at Smarthys Consulting, overseeing the deployment of Oracle Cloud solutions. Experience at Groupe SNCF involved project management and technical oversight of telecommunications implementations, while tenure at Bouygues Telecom included advanced technical support for data and voice networks. Additional roles at Ooredoo Tunisie and other companies involved troubleshooting, network configuration, and technical support. Safa holds a National Engineer Diploma in Telecommunications and an Applied License in Information and Communication Sciences, both awarded with high distinctions.