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Work experience

DevOps engineer

from 04.2025 to 02.2026 (11 months)
etalk, Дистанційно (IT)

- Design and implementation of infrastructure as code using Terraform and Ansible: modular structure, separation of environments (prod/non-prod), and resource isolation by product.
- Implementation of a standardized environment scheme: ensuring reproducibility and simplifying scaling and configuration management.
- Configuring CI/CD pipelines in Jenkins: automating application builds, testing, and deployments.
- Implementing Zabbix-based monitoring and alerting: monitoring service and infrastructure availability.
- Ensuring infrastructure segmentation to accommodate different workload and stack requirements, reducing interdependencies and simplifying maintenance.
- Implementation of a backup system and rapid recovery procedures in the event of incidents.

NOC\SOC engineer

from 02.2022 to 03.2025 (3 years 2 months)
InCountry, Дистанційно (IT)

- Ensured uninterrupted operation and infrastructure stability: implemented rolling update strategies, health checks, and fault-tolerant configurations for services.
- Developed and maintained infrastructure as code using Terraform and Ansible: standardized provisioning and configuration across a multi-environment setup.
- Implemented centralized monitoring and logging:
- metrics and alerting via Zabbix and Grafana
- log processing and analysis via the ELK Stack and Splunk
- Ensured infrastructure security: access control, secret management, log and event auditing.
- Worked with multi-cloud infrastructure: Amazon Web Services, Google Cloud Platform, Scaleway—unifying approaches to deployment and resource management.
Automated routine operations and operational workflows using Python and Bash: reducing manual operations and accelerating incident response.

System administrator

from 02.2019 to 08.2021 (2 years 7 months)
LLC SHIPYARD OCEAN, Миколаїв (Машинобудування)

- Deployed a corporate IT infrastructure from scratch for approximately 200 users, including a domain architecture based on AD/GPO/LDAP, which enabled centralized management of access and security policies
- Ensuring stable operation of a hybrid environment (Linux/Windows Server) by establishing unified approaches to administration, updates, and configuration management
- Implementing a secure network architecture using WireGuard and OpenVPN, segmenting access and ensuring secure connections for remote employees and branches
- Deployed and integrated key business services (DMS/ECM (content collaboration platform), mail server, ERP systems), ensuring their fault tolerance and manageability within a unified infrastructure
- Building a monitoring and logging system based on Zabbix, ELK, and Grafana, enabling a shift from reactive to proactive incident detection
- Configuring centralized log collection and analysis, increasing system transparency and simplifying the diagnosis of failures and security incidents
- Ensuring network and system security through segmentation, access policies, and regular administration of infrastructure components
- Automating routine administration and service deployment operations, reducing the time required to bring new systems online and lowering operational risks

System administrator

from 02.2016 to 01.2019 (3 years)
Omnilance ltd, Миколаїв (IT)

- Provided technical support to clients (L1/L2): diagnosing and resolving infrastructure incidents, handling support requests, and minimizing service downtime through rapid escalation and issue categorization.
- Assembled and commissioned server hardware (Dell, HP, Supermicro): prepared hardware, installed and configured operating systems and application software according to customer requirements.
- Administered server operating systems: Debian/Ubuntu, RHEL, Windows Server—configuration, updates, user and service management.
- Configured and maintained network infrastructure based on MikroTik, Juniper, and pfSense: routing, VPN, basic network security.
- Deployed and maintained virtualization environments: KVM, Hyper-V, XenServer, LXC, as well as containerization via Docker—improving resource utilization and service isolation.
- Implemented infrastructure monitoring and surveillance: metrics and alerts via Zabbix and Grafana, centralized log collection via the ELK Stack.
- Worked with asset management and inventory systems (GLPI, OCS): asset management, change control, and support for ITSM processes.

System administrator

from 11.2013 to 02.2016 (2 years 4 months)
Аддриан, ЧП, Миколаїв (Освіта, наука)

- Provided user support (Linux/Windows): troubleshooting and resolving incidents, remote support via RDP/RDS/RemoteApp, ensuring the smooth operation of workstations and services.
- Administered the corporate environment: managed Active Directory and Group Policy Objects (GPOs), maintained Google Workspace—centralized management of access and accounts.
- Maintained and developed the company’s IT resources: servers and services on Ubuntu, Debian, CentOS, and Windows Server; updates, configuration, and system health monitoring.
- Maintained the local computer network: configuration and support of equipment based on MikroTik, D-Link, and OpenWRT—routing, segmentation, and basic network security.
- Administered web and application services: Apache HTTP Server, Nginx, MySQL, PHP, Asterisk — ensuring availability and basic performance.
- Deployed and maintained KVM-based virtualization: service isolation and efficient resource utilization.
- Monitored infrastructure and information resources: incident detection, monitoring system availability and status.

Knowledge and skills

• DHCP
• SQL
• Налаштування DNS
• Active Directory
• IP (Internet Protocol)
• Адміністрування Windows Server
• TCP/IP
• VLAN
• Ansible
• Terraform
• Адміністрування Linux Server
• Адміністрування ОС Linux
• Group Policy Object
• Docker
• Docker Compose
• AWS
• ELK
• Zabbix
• Grafana
• Arduino IDE
• Python
• BASH
• Git
• Hyper-V
• Proxmox VE
• QEMU
• LDAP
• IMAP
• POP3
• PostgreSQL
• Redis
• PHP
• Xen
• Citrix
• MikroTik
• Cybersecurity
• Network security
• Jenkins
• Django
• Налаштування Firewall
• Налаштування VPN
• MySQL
• OpenVPN
• Адаптивність
• HTML
• CSS
• VMware
• N8n
• LangChain
• Llm agents

Language proficiencies

• Ukrainian — advanced
• English — average