Mikkhail Donetskiy

Worked closely with other business analysts, development teams, and infrastructure specialists to provide high-availability solutions for mission-critical applications based on C# Created procedures for system monitoring, recovery, backup and optimization through SDP, Zabbix, Veeam Backup Debugging and troubleshooting Windows OS, Servers roles, Role services, MS SQL Database, PostgreSQL, quick and accurate solution to other technical problems Support Linux OS Work and support for the following services: RDS, Active Directory, LDAP, DNS, DHCP, IIS, RRAS, WSUS, VPN, and File and Storage Services. MS SQL Database. Mail Server. Maintenance of the virtual and physical server infrastructure of the enterprise, modernization, and repair, managed firewall, network monitoring, and server monitoring both on- and off-site. Analysis and elimination of system vulnerabilities, updating and installation of OS patches, antivirus protection Optimize and administer VMWare virtual infrastructure, Hyper-V, KVM, build clusters and high availability solutions Configuration of server-based infrastructure (DELL, HPE, CISCO) Work with large corporate clients, advice and assistance in solving problems Negotiations with vendors, planning and purchasing equipment

Proficient in planning, deploying, and maintaining SonicWall firewalls. Configured security rules, and VPN connections, and monitored network traffic to ensure a high level of security. Substantial experience with various monitoring systems, including WhatsUp Gold, Prometheus, Grafana, and Zabbix, among others. Proficient in configuring and maintaining monitoring solutions to ensure the availability and performance of IT infrastructure. Proficient in virtualization technologies, including VMware vSphere 6+ and Hyper-V. Extensive experience in designing, implementing, and managing virtualized Strong expertise in scripting languages, particularly PowerShell.

Supports network-related devices, Managed workstations, computers, laptops, switches (Huawei, ZTE), routers (Zyxel, TP-LINK), and existing network applications. Support new Services and Solutions processes Such as FTTX, and FTTB. IPTV, Triple Play technology. Prepares reference for users by writing operating instructions. Implementation FTTH project Supports 200+ users and 4000+ customer base, incident response and troubleshooting.