Cybersecurity Architect and Network Security Engineer specializing in enterprise firewall architectures, large-scale firewall migrations, SD-WAN, centralized security management and network automation. My main focus was the design, implementation and optimization of secure enterprise network infrastructures based on Palo Alto Networks, Panorama, Fortinet, Cisco, Check Point, Sophos and Infoblox technologies. I was responsible for high-level and low-level security designs, firewall migration concepts, policy and object optimization, VPN and GlobalProtect implementations, SSL inspection, segmentation, routing integration, troubleshooting and technical documentation. A major part of my role involved Palo Alto Networks environments, including Panorama VM and Panorama M-700 architectures, device groups, templates, log forwarding, log collector design, high availability concepts and the migration of large numbers of firewalls using Python automation. I also worked on SD-WAN hub-and-branch architectures, Fortinet security platforms, Cisco LAN/WAN/WLAN infrastructure, Google Cloud networking and network automation with Python, Ansible and Terraform. In addition to implementation work, I supported customers with architecture consulting, technical workshops, proof-of-concepts, presales activities, troubleshooting and best-practice recommendations for secure and scalable network security environments.