Анатолій

ANATOLII BOLOGOV
IT INFRASTRUCTURE ENGINEER SYSTEM ADMINISTRATOR

Profile
I am a system administrator with over 10 years of experience in IT. I strive to find simple
solutions to problems and am skilled in applying various technologies to automation processes. I
am always open to new ideas and embrace challenges with interest and enthusiasm. I learn
quickly. I am a good team player, open and goal-oriented, punctual, responsible, and reliable.

Experience

System Administrator L2 2024 - to this day

Simply Contact Poltava

Installation, configuration and upgrade of operating systems (Linux, Windows Server, ).
Management of users, groups, access policies (Active Directory, LDAP).
Monitoring of server performance, analysis of logs.
Configuration and support of backup (Veeam, pg_dump, rsync, etc.).
Recovery of systems after failures.
Контакти
Planning of updates, patches and safe reboots.
 [відкрити контакти](див. вище в блоці «контактна інформація») Configuring routers, switches, VPN, VLAN.
Access control to network resources.
 [відкрити контакти](див. вище в блоці «контактна інформація»)
Firewall management, IDS/IPS.
 Ukraine, Poltava city
Network troubleshooting (ping, traceroute, tcpdump, Wireshark).
Traffic and security monitoring (Zabbix).
Skills Security policy configuration (passwords, MFA, access restrictions).
Virtualized environment administration (VMware ESXi, Hyper-V).
Azure Microsoft Dynamics CRM Deployment and maintenance of containerized services (Docker).

KeyCRM M365 admincenter Resource management in cloud environments (AWS, Azure).
Creation of snapshots, migration of virtual machines.
PSU Vcenter Tetcloud
Installation and maintenance of server applications:
Zabbix Peopleforce GLPI DNS, DHCP, FTP, Proxy, Pi-hole.
Web servers (Apache, Nginx, IIS).
Pi-hole Service desk Jira
Databases (PostgreSQL, MySQL, MSSQL).
AD \GPO VNC RDS Configuring email systems, filtering and antivirus protection.
Automation of routine tasks (bash, PowerShell).
Pritunl Asterisk Elastix
Incident registration and resolution (HelpDesk, Jira, GLPI).
Freepbx Vicidial User support in working with corporate systems.
Configuring workstations, printers, VoIP telephony.
Windows Linux MikroTik
Managing access to shared resources (file layers, SharePoint, OneDrive).
1C,BAS,Medoc Monitoring antivirus systems (ESET, Defender).

Video surveillance system Analysis of unauthorized access attempts.

maintenance Regular checks of updates and security policies.
Management of SSL certificates, SSH keys.
Technical support for 500+ users
Audit of accesses, logs, user rights.
Power BI Windows Server

Powershell TCP/IP
Experience

Head of Information Technology Department 2020 - 2024

104.UA Poltava

Maintaining technical documentation (instructions, diagrams, checklists).
Documenting changes in systems and configurations.
Preparing reports on incidents, uptime, resource usage.
Infrastructure visualization
Planning IT infrastructure for new offices or services.
Implementing new technologies, system migration.
Optimizing server and network performance.
Testing new solutions and technologies.
Monitoring antivirus systems (ESET, Defender).
Analysis of unauthorized access attempts.
Regular checks of updates and security policies.
Management of SSL certificates, SSH keys.
Audit of accesses, logs, user rights.
Configuration of Active Directory
Development and Planning of network subnets at main and regional departments
Backup planning for VM, databases
Support via ticket system
Implementation of CRM system
Development of local infrastructure
Configuration of VPN, IPsec connection site to site
Troubleshoot user workstations
Maintaining technical documentation (instructions, diagrams, checklists).
Documenting changes in systems and configurations.
Preparing reports on incidents, uptime, resource usage.
Visualizing the infrastructure (Draw.io).
IT infrastructure planning for new offices or services.
Implementation of new technologies, system migration.
Optimization of server and network performance.
Testing of new solutions and technologies.

IT engineer (system administrator) 2018 - 2020

104.UA Poltava

Support for 1000+ users
CRM system administration
PC fleet configuration
Network administration
Telephony administration
Support via ticket system
Configuration of Active Directory

System administrator 2014 - 2018

RGС Contract Center Poltava

Support for 500+ users
CRM system administration
PC fleet configuration
Network administration
Telephony administration

Equipment repair engineer 2013 - 2014

Chip service Poltava

Repair, maintenance, and setup of computer equipment and peripherals
Education

IT specialist, Computer repair and maintenance specialist
State EducaОсвітаtional Institution "Poltava Polytechnic Lyceum"

Languages
Ukrainian — Native / Fluent , English — A2 (Pre-Intermediate)

Social media and links
[відкрити контакти](див. вище в блоці «контактна інформація»)