Job Summary: We are looking for a Senior Communications Engineer to manage LAN/WAN network infrastructures, participate in continuous improvement initiatives, and mitigate vulnerabilities within advanced and collaborative technological environments. Key Highlights: 1. Participate in advanced cybersecurity and critical infrastructures. 2. Work with leading technologies in an innovative environment. 3. Access to continuous training and certifications. DESCRIPTION At S2 GROUP, we develop some of the most advanced national tools for **cybersecurity threat detection and incident management**, supported by intensive **R\+D\+i** activity. We are seeking a **SENIOR COMMUNICATIONS ENGINEER** with solid experience in **communications and networking**, who wishes to join an advanced, collaborative, and continuously evolving technological environment. ### **Your Responsibilities** * Manage and maintain **LAN/WAN network infrastructures**, including firewalls, switches, routers, and WiFi controllers. * Participate in the **configuration, evolution, and continuous improvement** of infrastructure, ensuring performance and security. * Identify and mitigate **network environment vulnerabilities**, applying best practices in cybersecurity. * Design and collaborate on **communications architecture projects**, contributing technical and advisory expertise. * Manage **access to corporate environments**, ensuring security and availability. * Monitor the network using specialized tools and perform **advanced analysis and troubleshooting**. * Work with market-leading technologies and participate in hybrid and cloud environments. ### **Preferred Qualifications** * Experience in **cloud environments (Azure, AWS)**: networking, App Gateway, Fortigate in cloud. * **Fortinet** certifications. * **ITIL** certification. * English language proficiency at level **B2**. REQUIREMENTS ### **What We Are Looking For** * Experience in **network infrastructure management** (LAN/WAN). * Advanced knowledge of technologies such as: * **Fortinet, Cisco, Palo Alto, HP Aruba** * Advanced switching (especially **Cisco**) * WiFi controllers * Experience with **monitoring and analysis tools** (Nagios, Cacti, NTOP, MRTG). * Capability for **advanced troubleshooting** (Wireshark, log analysis). * Experience or knowledge of **WAF (Imperva, Fortinet)**. * Knowledge of **access management and network security**. ### **Why Join Us** * You will participate in **advanced cybersecurity and critical infrastructure projects**. * You will work with leading technologies in an **innovative and continuously evolving environment**. * Access to **continuous training and certifications**, supporting your professional development. * Benefits including **health insurance, flexible compensation, and permanent contract**. * Participation in **national and international scope projects**. * Excellent working environment based on **collaboration, commitment, and joint growth**. If you have experience in this field and are interested in the position, we encourage you to apply even if you feel your knowledge in some areas is insufficient, as our corporate training program is specifically designed to complement and enhance our team’s capabilities. We continue growing and want to bring new talent into our team! Take the next step in your professional career and join the S2 Group experience.