Ömer Esenboğa

Experience

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  KoçSistem

  Jul 2010 - Aug 2011

  Network & Security Specialist

  • Vulnerability scanning of all customers' servers, network and security devices at data center, documenting vulnerabilities, informing other system groups for patching the operating systems, databases etc. and reporting the results..• Administration of all layer 2 and 3 switches and a few firewalls at data center..

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  KoçSistem

  Feb 2012 - Mar 2013

  IT Security Specialist

  • Managing SIEM tools and Intrusion Prevention Systems, analyzing of cyber attacks to the internal networks, documenting and reporting to the customer about that results as a Security Operation Center service..• Vulnerability scanning of all customers' servers, network and security devices at data center, documenting vulnerabilities, informing other system groups for patching the operating systems, databases etc. and reporting the results..• Managing security devices, like firewalls, web proxies, SSL VPNs, intrusion prevention systems etc., within 7/24 as part of Managed Security Service Provider.. Show less

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  LC Waikiki

  Mar 2013 - Dec 2023

  • Designing security topologies and deployment of security devices/softwares.• Reviewing current security measures and implementing enhancements.• Ensuring continuous monitoring of network security.• Developing project timelines for ongoing security projects and system upgrades.• Ensuring all personnel have access to systems limited by need and role.• Establishing security procedures and implement security devices/softwares for Disaster Recovery/Business Continuity mechanisms.• Promptly responding to security incidents, providing through post-event analyses and ensuring that they were not repeated by taking necessary preventative actions.• Documenting administration/management procedures of related security products and informing/educating team members.• Designing flow diagrams for security softwares.• Researching and implementing new technical solutions to mitigate security vulnerabilities and hardening security infrastructure.• Managing On-Premise/Cloud Firewalls on headquarter and hybrid cloud platforms, Container Security Services, Endpoint Protection Softwares, Web Filtering Services/Proxies, SIEM, Vulnerability Management Systems, File Integrity Monitoring Systems, Firewall Rule Analyzing tools.• Ensuring adherence to security policies of regulations and laws such as PCI DSS, ISO27001, GDPR(6698), 5651 and ITIL COBIT. Show less • Corresponding of Information Security standards like PCI/DSS, ISO27001, ITIL, COBIT etc. and preparing procedures for information, physical and network security..• Managing firewalls, endpoint security systems, web proxies, SIEM tools, infrastructure vulnerability management systems, web application firewalls, file integrity monitoring systems, endpoint encryption management systems, web application vulnerability management systems, source code analysis..• Vulnerability scanning of all servers, network and security devices, documenting vulnerabilities and reporting the results..• Penetration testing of web and mobile applications' source codes and documenting vulnerabilities, informing Software Group for editing codes and reporting the results.. Show less

  • Information Technology Security Architect

    Apr 2020 - Dec 2023

  • Senior Security Engineer

    Mar 2013 - Apr 2020
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  Garanti BBVA Teknoloji

  Dec 2023 - now

  Lead Expert | Security Engineer