I
IT ADMINPRO
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System Administrator Services.
Complex Maintenance of Computer Systems.

IT Infrastructure Monitoring • Professional Support • Security

+38 066 044 1311 @ums2012
IT Infrastructure

1. Remote Administration of Windows, Linux, FreeBSD Servers and Workstations:

  • • Implementation of virtualization servers — ESXi hypervisors (VMware vSphere, vCenter, vSAN), Proxmox VE, Hyper-V
  • • Implementation of High Availability Clusters and Failover Clusters
  • • Experience in designing, configuring and supporting large-scale Wi-Fi networks (Ubiquiti, Mikrotik) — Megabank, Kharkiv Airport, ISP for 7 districts
  • • Experience implementing Zabbix for infrastructure monitoring in Megabank and Kharkiv Airport
  • • Configuration of Windows Server 2025/2022/2019 (AD, GPO, MSSQL, Terminal Server)
  • • Administration of MS Office 365, Google Workspace, MS Entra
  • • Configuration of AlmaLinux, Debian/Ubuntu, FreeBSD servers
  • • Migration to cloud solutions: Hetzner, DCXV, Serverdale, Hostzealot, etc.
  • • Storage systems: OpenMediaVault, FreeNAS, Nas4Free, FreeBSD ZFS NAS
  • • Backup: Veeam Backup & Replication, Proxmox Backup Server, Acronis, Bacula, Duplicity
  • • Infrastructure monitoring: Zabbix, Nagios, Icinga, Cacti, MRTG with Telegram & email alerts
  • • Monitoring of backups, services, databases, ports, temperature and sensors
  • • Web server administration, domain registration, hosting panels (cPanel, HestiaCP, ISPmanager)
  • • Server configuration in hosting via DCImanager, Virtualizor
  • • Cloudflare protection, BigBlueButton & Jitsi video conferencing
  • • Bitrix24, Odoo, SuiteCRM setup
  • • Applications: LAMP, Docker, pfSense, HAProxy, Nginx, Apache, MySQL, FTP, rsync, iptables etc.
  • • Network equipment: Juniper EX4200, Mikrotik, FortiGate, Cisco, HP, Huawei, Alcatel
  • • Servers: Dell PowerEdge R720, HP ProLiant, SuperMicro + remote management (IPMI, iLO, iDRAC)
  • • 1C 8.3 SQL, Medoc, Dahua/Hikvision video surveillance, thin clients (Thinstation, PXE)
  • • Migration to free software (Ubuntu/Debian, AlmaLinux)
  • • Logging: Graylog, Elasticsearch, Logstash, Kibana, Grafana Loki
  • • Mail servers: MS Exchange, iRedMail, Postfix, Dovecot, Kerio Connect
  • • Access control systems: Hikvision, StopNet, GoldenGate
  • • Bash & PowerShell scripting, cryptographic protection (BitLocker, VeraCrypt, LUKS, dm-crypt)
  • • Technical support: phone, Telegram, Viber, WhatsApp, TeamViewer, AnyDesk

2. Measures for the Security of Enterprise IT Infrastructure:

  • • Control of software environment integrity and configuration management
  • • Antivirus software, OS security updates, preventive and routine maintenance
  • • Development and implementation of Disaster Recovery Plan (DRP)
  • • Development and implementation of Business Continuity Plan (BCP)
  • • Audit of OS settings according to Center for Internet Security recommendations
  • • Implementation of PCI DSS requirements
  • • Compliance with DSTU ISO/IEC 27000-2015, 27001, 27002 standards

Key Benefits of Zabbix + Graylog + ELK + Grafana Monitoring

  • • Real-time event monitoring and instant alerts
  • • Early warning of critical events — time to intervene before failure
  • • Tracking dynamics of any parameter and building comparative graphs
  • • Long-term data storage for bottleneck analysis and failure investigation
  • • Unlimited devices and services via web interface
  • • Ready-made templates that can be quickly modified
  • • Advanced log analysis from Linux, Windows and network devices
  • • Extended analytics and reporting

3. Co-operation Options:

Outsourcing / Outstaffing

Civil or employment contract, gig contract.

One-time Services, individual entrepreneur

Payment to bank card, PayPal, Mellow.

Monthly Subscription

Fixed monthly fee depending on the scope of work.