Job Description:We are seeking a highly skilled and experienced Senior Network Security Engineer with deep expertise in Fortinet security solutions to lead and enhance our cybersecurity infrastructure. This role involves designing, implementing, and maintaining advanced security systems, mentoring junior engineers, and ensuring the highest standards of network protection in a dynamic Telco environment. Key Responsibilities:Lead the design, deployment, and optimization of Fortinet security solutions including FortiGate, FortiAnalyzer, FortiManager, FortiMail, FortiNAC, FortiAI, FortiSandbox, and FortiWeb including NDR, AntiDDOS technology.Architect and manage complex firewall environments with VDOMs, HA, SD-WAN, NAT, and VPN technologies (Dialup, IPsec, Remote IPsec, SSL VPN).Oversee network monitoring and reporting using FortiAnalyzer and FortiManager; deliver actionable insights and executive-level reports.Perform and supervise firmware upgrades, patches, and backups across Fortinet devices.Conduct advanced troubleshooting and root cause analysis for network security incidents, including packet-level diagnostics using Wireshark.Configure and manage dynamic routing protocols such as BGP, including route maps and ACLs.Implement Zero Trust Network Access (ZTNA) strategies and web application security profiles.Design and manage proxy and reverse proxy architectures for secure web traffic.Utilize network sniffing and traffic analysis tools for proactive threat detection and response.Integrate and operate NDR for behavioral analytics and threat intelligence.Ensure compliance with internal security policies and external regulatory standards.Maintain and review detailed documentation for configurations, incidents, audits, and infrastructure changes.Stay abreast of emerging cybersecurity threats, technologies, and best practices.Interpret and contribute to High-Level and Low-Level Designs (HLD/LLD) for enterprise infrastructure.Mentor junior engineers and contribute to team knowledge sharing and skill development.