Hakan Tozen

Background

About Hakan Tozen

I am a highly motivated security, system, and network professional with 15+ years of IT field and operational experience. Beginning my career as a system administrator, I transitioned to consultancy in network and security operations. I specialize in information and network security, excelling in planning, architecture, implementation, consulting, and management of network and security solutions. I have strong customer relationship skills, adept at meeting customer requirements, and thrive in both independent and team-oriented environments. My comprehensive understanding of networking concepts includes SD-WAN, security protocols, IT communication, and WAN protocols like BGP, EIGRP, OSPF, MBGP, and MPLS. I am experienced in the administration and maintenance of security devices across multi-platform environments. My hands-on expertise extends to planning and designing corporate firewalls, including configuration and troubleshooting of Fortigate, PaloAlto, and Watchguard Firewalls. My WLAN experience covers the design, installation, configuration, and management of HP Wireless controllers and Access Points. In LAN, I have managed Cisco Catalyst and HP switches in multilayer switching environments, following Cisco's 3-tier architecture (Core, Distribution, Access). I possess in-depth knowledge of implementing and troubleshooting various VPN solutions, including IPSEC, DMVPN, GRE over IPSEC, L2TP, IPSEC, and SSL VPN on firewall devices. I stay updated with the latest technical knowledge to develop solutions that enable customers to achieve defined and measurable business outcomes, effectively diagnosing and adapting to their unique business needs.