Ozan Şeref Email & Phone Number

İzmir, Turkey

İzmir, Türkiye

• Implementing IEC 62443 standards to fortify critical systems. I orchestrate effective network segmentation strategies and deploy advanced measures like endpoint security and anomaly detection, ensuring a resilient.
• Demonstrated leadership by supporting a team of ICS Security Technicians in achieving plannedmaintenance Key Performance Indicators.
• Possesses a comprehensive understanding of different Industrial Control Systems environments,including Distributed Control Systems (DCS).
• Recognized for making a direct impact on Company Key Performance Indicators related to safety, integrity, and plant reliability and availability in the petrochemical and oil & gas sector.

İzmir, Türkiye

• Experience with critical infrastructure, network equipment (firewalls, switches, routers, GPS clocks) and redundant network designs and protocols. (e.g Palo Alto, Fortinet, Cisco, Hirschmann, Meinberg)
• Experience with VMware, VxRail, Hyper-Converge (e.g DELL) and Microsoft client- and server operating systems.
• General understanding of standards as IEC 62443, IEC 61850, NIST and MITRE.
• Experience of Networks containing Honeywell, ABB, Yokogawa network designs.
• Cyber Vulnerability Assessment (e.g Claroty )
• Design and implement Lan infrastructure.

Ankara, Türkiye

• Installation and management of network and security equipments such as Firewall (Fortinet, Palo Alto), Switch (Huawei), Proxy (Blue Coat), Siem (IBM QRadar), Nac (ForeScout).
• Configuring, managing and maintance security equipments such as CAS, DLP, EDR, SEP, PGP, SMG (Symantec)
• Monitor system resource utilization, trending, and capacity planning.
• Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations.
• To make planning and optimization of network security products.
• Developing and monitoring Information Security operations procedures and processes.

Istanbul, Turkey

• Installation and put equipment such as Firewall (FortiGate), Switch (Cisco,Dell,Alcatel,Huawei, Microsens), Router (Cisco), AP (Cisco, Aruba, UniFi), and related configurations into use.
• Design and implement flexible campus, branch network Lan and Wan infrastructure.
• Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations.
• Troubleshooting to resolve complex network and or application or system integration issues.
• LAN/WAN and wireless networking principles and protocols including Ethernet, TCP/IP, VLAN, WLAN, firewall, switches, routers.

Ankara, Turkey

• Establishing the topology of IP network systems (Cisco, Dell, Huawei, Alcatel), updating the requirements and optimizations.
• Supporting Active Directory, DNS, WSUS, Terminal Server systems.
• Performing Anti-virus systems, backup & restore solutions, system management.
• Support and coordinate field team during the setup and activation of Lan & Wan network devices.
• To make planning and optimization of radiolink network (NEC)

Ankara, Turkey

• Management of Cisco, Juniper, Fortigate, HP network equipments.
• Experience in network security, encryption and security concepts (DDoS protection, intrusion prevention and detection systems (IPS/IDS) and proxy servers.
• Support for problems in LAN and WAN network components, detection of failures on WAN lines, and follow-up and resolution by ISP.
• Server systems have knowledge of disk management (VMWare)
• Hosting ( Sysdns, mail-web hosting)
• Infrastructure follow-up ( UPS, power unit, generator, cabling)

Ankara, Turkey

Desing web site with html language such as www.elektrovadi.comTesting and desing electronic circuits such as arduino, raspberry pi2 and Digilent modules

Ankara, Turkey

Worked on Wimax project of Türk Telekom and reported EMR measurements of base stations to ‘Bilgi Teknolojileri ve İletişim Kurumu’ (Turkish Information Technology and Communication Institution).

Ankara, Turkey

Designed circuit and PCB for Li-Fi project as ‘Door Lock with Mobile Phone’ Design a web site with WordPress for Electronic and Communication Engineering department of Çankaya University

Ankara, Turkey

Designed circuit and PCB for display unit of drone