About
Network Security Engineer with 2.5+ years of experience in securing enterprise network infrastructure using next-generation firewalls, VPN technologies, and network segmentation. Hands-on experience with Fortinet, Palo Alto, Check Point, and Cisco Meraki platforms. Skilled in firewall policy management, IPsec VPN deployment, and troubleshooting production issues. Experienced in handling real-time incidents, security events, and collaborating with vendor TAC teams to ensure secure and reliable network operations.
Skills & Expertise (21)
Work Experience
Network Security Engineer
Teksalah
Jun 2023 - Present
Administer and support enterprise firewall environments including Fortinet, Palo Alto, and Check Point across production networks. Configure, troubleshoot, and resolve real-time production issues related to VPN connectivity, firewall policies, and application access. Implement firewall security policies, NAT rules, and access controls, improving network security and reducing unauthorized access incidents. Perform firewall firmware upgrades, patching, and configuration changes during maintenance windows. Perform root cause analysis (RCA) for network and security incidents using firewall logs, packet flow, and debug tools. Implement network segmentation using VLANs and firewall policies. Configure Cisco Meraki networks including VLANs, wireless policies, and firewall rules. Support 10+ firewalls and multiple VPN tunnels across enterprise environments. Troubleshoot complex IPsec VPN issues including Phase1/Phase2 failures, DPD issues, and tunnel flapping in coordination with vendor TAC teams. Maintain documentation including network diagrams and firewall configurations. Implement security controls such as geofencing, threat feed blocking, and access restrictions.
Education
Bachelor of Technology (B.Tech) – Computer Science - Jawaharlal Nehru Technological University
2018 - 2022 · Afghanistan
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Citizen
Relocation
Open to Relocation