Jan Friedl Email and Phone Number

CIO, Linux System Administrator and Network System Administrator.Half of my work is management of the administration team, taking part in the leadership of the company and being responsible for delivering solutions to our customers.The other half is actively working as a senior administrator, including planning technical solutions, infrastructure design and network security. I worked on large and unique projects such as: My2NCloud-based portal for configuration management of 2N Telekomunikace a.s. products such as intercoms, answering units, elevator systems, and IP access control units.Setup and maintenance of the application, servers (AWS cloud), and interconnect networks. Management and facilitation of administration of more than 300 servers using Ansible and Terraform. HA network for European House in Hradec KraloveAnalysis and implementation of high availability, secure network based on Cisco (L3 switches) and Fortinet products (Fortigate firewalls). Airstop.czConfiguration, monitoring, and maintenance of HA infrastructure for travel agency e-shop using technologies such as HAProxy, Nginx, PHP, Redis, and MariaDB. Golem VRDesign, installation, and configuration of very low latency, cable and wireless networks for VR adventure game. DrMaxConfiguration, monitoring, and maintenance of a development infrastructure for the new e-shop of DrMax pharmacies. E-commerce HoldingMonitoring and maintenance of HA infrastructure (Tomcat, Couchbase database) for middleware technology processing orders and transmitting communication between many e-shops and warehouses. VRgineersConfiguration and maintenance of network infrastructure of one of the world's best VR development company. 4Home.czDesign, deploy, and maintenance of HA infrastructure (IIS web server, MS SQL Server, Active Directory) of Czech e-shop localized in 5 countries.