Osman Cerkez

- Supporting, configuring, maintaining, monitoring and improving Vereinigte Hagel WAN LAN and WLAN networks (Switches, Routers, WLC Controllers, Sophos Firewalls, VPNs, Remote Access) - Installing and integrating new networks hardware, applications and new network solutions and technologies - Ensuring network security, reliability, visibility and high available network connectivity - Monitoring network performance (availability, utilization, throughput, and latency) and test for weaknesses and vulnerability

- Operating and maintaining entire enterprise network infrastructures including core, distribution and access layers of the network that align with the architecture and business models to achieve optimal solutions for enterprise customers - Responsible for developing, implementing, and maintaining enterprise network security solutions to provide Security/Threats, network Web and Mail Security, network AMP, interacting, consulting and providing support to the enterprise customers

- Responsible for planning, design, configuration, maintenance and troubleshooting all Procredit Bank network environment (Switches, Routers, Cisco ASA Firewall, Cisco IOS), and network tools for monitoring Banks WAN and LAN (PRTG, Nagios, Open source Linux Monitoring tools, SYSLOG server) - Installing, configuring and maintaining Windows Domain Services (Active Directory, DHCP, DNS, WSUS, GPO ...) - Installing, maintaining and upgrading working stations - User support & Help Desk issues

- Responsible for configuration, maintenance and troubleshooting all network environment - Installing, configuring and maintaining all Windows Domain Services (Active Directory, DHCP, DNS, WSUS, GPO ...) - Planning and implement security measures (defines users writes, creating different users groups.) - Installing, maintaining and upgrading all workstation and servers - User support & Help Desk issues