• Performed set up and maintenance of Windows Server 2012 R2, 2016, 2019 (AD, DHCP, DNS, TS, WSUS, RDP, FTP)• Installed and managed the configurations of operating systems OS Windows and macOS; managed SuperMicro, HP Proliant servers• Maintained 1C: Enterprise 8.3 (ZUP, Accounting)• Managed the MS SQL Server 2019, QNAP storage, MDaemon mail• Performed installation, setting up, maintenance and repair of office equipment: Kyocera, HP, Konika Minolta, Ricoh, OKI, Brother• Performed installation and set up of Mikrotik and D-Link routers• Maintained VoIP PBX PBX (Yeastar) and Panasonic, Fanvil, Grandstream, Yealink, and Avaya phones; installed SCS• Responded immediately to security or usability concerns, provided consultation to the clients• Developed and managed IT budget; liaised and negotiated with suppliers of IT services and equipment, including negotiations to obtain better prices

• Managed Windows Server 2012 R2, 2016, 2019 (AD, DHCP, DNS, TS, WSUS)• Managed VoIP PBX PBXs (Yeastar) and Panasonic, Fanvil, and Grandstream phones; maintained MS SQL Server 2019• Maintained 1C: Enterprise 8.3 (ZUP, Accounting)• Performed installation, set up and maintenance of QNAP storage• Developed and managed IT budget, optimized costs• Liaised and negotiated with suppliers of IT services and equipment

• Managed Windows Server 2012 R2 (AD, DHCP, WSUS)• Administration of VoIP PBX PBX (Yeastar)• Administration of 1C: Enterprise 8.3 (ZUP, Accounting)• Performed data backups (Veeam, Cobian BackUP, SQL Server)• Managed MS SQL Server 2016; performed set-up, configuration andmaintenance of Supermicro SuperServer servers• Maintained Microtic (RouterOS) routers and NetGear• Installed and maintained QNAP storage• Developed budget for the IT department including cost optimization• Liaised and negotiated contracts with suppliers of IT services and equipment• Was awarded the title "Employee of the year" for the prompt transfer of the company's IT infrastructure to new offices

• Deployment, maintenance, configuration and troubleshooting of WindowsServer 2012 / 2012 R2• Service Administration: Active Directory / WSUS / DNS / DHCP / FTP / RDP /Print Services / File Services / Hyper-V• Worked with user request control systems (Redmine)• Developed software in Visual Studio (C# / MS SQL).• Installed and maintained webinar server based on BigBlueButton (ubuntu,Nginx, apache tomcat, red5)• Managed Unified information and educational portal of the city of Kirov• Managed Windows Server 2012 R2, 2016, 2019 (AD, DHCP, DNS, TS, WSUS)• Installed and maintained antivirus protection: Kaspersky Security Center• Performed Installation, configuration, and optimization of system software:Windows XP, Windows 7, Windows 8, 8.1, Windows 10, Ubuntu• Managed cryptographic protection tools: CryptoPRO CSP and Continent-AP• Installed, performed set up, maintenance and troubleshooting of officeequipment including printers, scanners, projectors, interactive whiteboards• Developed technical documentation and manuals

•Installed, performed set up, maintenance and troubleshooting of Windows Server 2003/2008/2008 R2; managed Windows Server components and services (AD / DNS / DHCP / GPO / RDP / File Services)• Installed, optimized, updated software: Windows XP, Windows 7, macOS X• Managed local network, local network equipment and Proxy server(UserGate); maintained office equipment (printers/scanners/projectors)

• Ensured the uninterrupted operation of the IT infrastructure of the educational institution.• Full administration of the website.• Installation, configuration, optimization of system software (Windows XP / Windows 7 / Alt Linux).• Advising users on issues related to the use of equipment and software.