Özgür Akdemir

Network Security Consultant @ Destek.as| Information Security, Infrastructure

Istanbul, Türkiye

About

With over a decade of experience in network and security architecture, I currently serve as a Network Security Architect at ParamTech, contributing to the design and management of core network infrastructures, both wired and wireless, for the finance sector. My mission is to bolster organizational security and optimize network efficiency by evaluating and implementing cutting-edge products. I am committed to fostering innovation and collaboration to achieve solutions tailored to business needs while ensuring robust security measures. I play a key role in planning and managing data center and campus networks while conducting thorough evaluations of network and security products. My recent experience includes designing comprehensive SD-WAN solutions for complex environments with over 1,200 locations, as well as leading product determination and planning for large-scale municipal and corporate projects. This role has allowed me to leverage my expertise in network design, vendor management, and strategic infrastructure planning to drive impactful results.

Experience

  • Senior Network & Security Consultant at Destek A.Ş.
    Jun 2025 - Present · 1 yr 2 mos

  • Network Security Manager&Architect at ParamTech
    Aug 2023 - Apr 2025 · 1 yr 9 mos

    Finance company Core Network Wired Wireless Plan&Manage (Datacenter-Campus) Groups company’s Network&security product purchase evaluation Enterprise network and security infrastructures yönetimi, operasyonel süreklilik, tasarım, satınalma teknik değerlendirme ve proje dokümantasyonu. Level 1, Level 2 network ve sicyber security ekiplerine liderlik * BGP, OSPF, ISIS, VLAN, MST, MLAG, VRRP, QoS, MPLS ve SD-WAN i * 802.1X, IPSec ve NAC politikalarının uygulanması. * Network ve security projelerinde teknik ihtiyaç analizi, çözüm tasarımı, ürün karşılaştırması ve şartname hazırlama süreçlerinin yapılması ve yürütülmesi * Satınalma süreçlerinde teknik değerlendirme, uygun ürün seçimi ve vendor/service provider koordinasyonu. * Elasticsearch, PRTG, SNMP, NetFlow, Syslog ve Wireshark ile izleme, troubleshooting ve root-cause analysis çalışmaları. * Network diagram, operasyon dokümanı, standart ve prosedürlerin hazırlanması. * Operasyon ekipleriyle koordinasyon, bilgi aktarımı ve 7/24 servis sürekliliğinin sağlanması. Technologies: Cisco, Aruba, Huawei, Fortinet, Fortiwaf, Palo Alto, SD-WAN, MPLS, BGP, NAC, 802.1X, PRTG, Wireshark.

  • Senior Information Technology Consultant at İnnova Bilişim
    Apr 2022 - Aug 2023 · 1 yr 5 mos

    Cisco, Aruba, Huawei, H3C, Arista, Gigamon, Fortigate, PaloAlto, Sechard, Checkpoint, Forcepoint Sophos, Attivo, Microfocus Etc Solution Expert and presales activity, vendor management, price consolidation Datacenter solutions: Arista cloud vision & Cisco Aci, Spine leaf technology... SD wan design with 1200 locations for oil company and cargo company ministry of transport municipality business center design planning design and product determination SD wan design with 1200+ locations for oil company and cargo company ministry of transport municipality business center design planning design and product determination

  • Prolink (5 yrs)
    • Technical Account Manager
      Jan 2021 - Jan 2022 · 1 yr 1 mo

      Partner business development end user visit and new project development webinar and training planning Brand development Aruba team management Aruba Attivo Barracuda

    • Senior Network Security Engineer
      Feb 2017 - Dec 2020 · 3 yrs 11 mos

      - Data Center Network Design and Implementation (Hpe Aruba, Huawei, Brocade, Ruckus, Cisco) - Local Area Network (LAN) and Wireless Design and Implementation Hpe Aruba, Huawei, Brocade, Ruckus, Cisco - Design and deploy Fortinet SD-WAN technology - Troubleshooting Network Issues and Analyzing Network Infrastructures - POC Implementation and Consultancy Services -Wired&Wireless(airmagnet and ekahau) topology design -Clearpass and location engineering solution Consultants -Provide installation support and leadership to Partner -License and case management -customer visits and events participation -Technic team lead Aruba Os8. Mobility Master, Clearpass, NAC, Airwave, 802.11Ac & 802.11AX technology Wifi6 Aruba VSX VSF, Central Barracuda, fortigate, Sophos integration

  • Network Engineer at Neocom
    Feb 2014 - Jan 2017 · 3 yrs

    Hp comware, procurve network Cisco network Switch&Router Fortigate, Sophos Firewall Ruckus, hp, cisco, aruba wireless controller and rf desing with airmagnet(site survey) Server 2008R2, 2012R2, nps, wsus Windows Azure, Network Load Balance Over 120 project setups Project management and finishing • Configuring OSPF, EIGRP, RIP,VLANs, IP, DNS, DHCP, HSRP,VSS,Port-Channel, Aruba VSX VSF • Cisco 2900,3500,4500,6500 Nexus 3K, 5K series switches configuration management • Cisco Wireless controller ( Cisco 2200 ,2500 series) Access Point (1200,1240,1042,1600,2602,3702) • HP procurve network devices (1910,2650,2626,2920,2930F,2830M,5406zl) series switches configuration managemen WirelessM760 Access Controller and Access Point configuration management Ruckus zonedirectory configuration Extreme networks configuration and management Project Installation & Supervisor % finishing Turkey, Azerbaijan, Russia, Georgia