Network & Network Security Engineer

12/2021 – 12/2023

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Performed redesign of network infrastructures (routers, switches, wireless APs, WLCs, firewalls, web application firewalls) and Daily Maintenance, Troubleshooting and Configuration of New Network Design.
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Configuration and support of dynamic routing protocols (BGP, OSPF)
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Support, installation, Daily Configuration and maintenance and documentation creation in area of IT security (firewalls, Security gateways, IDS/ IPS, WAF, Cisco ISE, Web Proxy, SSL VPN, Remote Access VPN, IPSEC VPN, SIEM, Vulnerability Management)
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Administration of SIEM services, Splunk
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Planning and installation of network monitoring tools (PRTG, Zabbix)
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Administration of automation tools (Ansible - Python)
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Coordinated with third-party security information and event management (SIEM) providers to maintain protections and predict threats.

Devisenhandel, Cisco Firewalls, Firewalls, Fortigate Firewalls, IPS (Intrusion Prevention System), IPSec, SSL / TLS, Ansible, Router / Gateways

1/2015 – 12/2021

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Orchestrated comprehensive testing processes and configurations of network security devices (Firewalls, NGFW, WAF, IDS/IPS, VPN); enhanced overall network security and minimized vulnerabilities, resulting in 40% reduction in cyber threats and improved data protection. Planning service migration to Cisco ACI design and configuration of Palo Alto Container FW CN Series.
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Multi-tiered and cross-branded firewall design, configuration and maintenance in multiple data centers, as well as daily, very detailed troubleshooting of these firewalls and security services (More than 30 Devices)
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Streamlined collaboration across cross-functional teams during the design and implementation phase of the Backup Data Center project, leading to a 30% improvement in project efficiency and timely completion within the allocated budget.
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Planning and executing configuration automation and management process project using Ansible Securing web ap

Cisco Firewalls, Cyber Security, Firewalls, Fortigate Firewalls, IPSec, Sophos Firewalls, SSL / TLS, Cisco (allg.)