Management and support of network and server infrastructure MS Windows Server 2012R2, 2016, 2019:Hyper-V, RDS, MSSQL Server, hmailserver mail serverNetwork security (PFSense, GPO)Administration of the MSSQL server, 1C server 8.3 .Organizing data backup using Veeam Backup and Replication and MS SQLImplemented network and services monitoring system via TheDudeMerged offices into single networkMaintenance of IP telephony based on FreePBX (Asterisk) and corporate websiteAutomation of tasks in 1C (together with 1C programmers).Support for users and office equipment, interaction with service providers.Managing the ACS.Implementation and support of a corporate messenger based on XMPP OpenFire.Managing projects for the implementation and improvement of IT services.

Technical and informational support for users (both on-site and offlineremotely).Setting up and ensuring the functionality of the cash register (fiscal registrars, POS systems) andoffice equipment (workstations and office equipment).LAN and telephony support and administration.Interaction with service providers (telephony and Internet).Configuring the R-Keeper hardware and management station.Maintenance of servers based on Windows Server 2008 R2, Windows Server 2012 R2Network configuration and support (PFSense, Cisco).

Providing technical support for stores.Configuring active network hardware and network printers.Interaction with service providers and contractors.