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Work experience

ITOps

from 09.2025 to 01.2026 (5 months)
Entravel, Дистанційно (IT)

Led migration from Microsoft 365 to Google Workspace
Designed and implemented M365 ↔ GWS coexistence architecture
Reconfigured DNS and mail routing infrastructure

mplemented SPF, DKIM, DMARC policies
Improved email deliverability and domain trust
Deployed self-hosted PassBolt credential vault with RBAC controls
Designed cloud-based virtual desktop strategy (AVD & Ubuntu VDI evaluation)
Implemented centralized IT asset and license management
Conducted employee training for Google Workspace adoption

IT-спеціаліст

from 09.2024 to 09.2025 (1 year)
TacansLabs, Дистанційно (IT)

DevOps engineer

from 11.2022 to 11.2023 (1 year)
IntellectEU, Дистанційно (IT)

DevOps engineer

from 09.2021 to 11.2022 (1 year 3 months)
TacansLabs, Дистанційно (IT)

Administration of Microsoft 365 and Azure environments
SaaS governance and operational support

Senior Unix System Administrator

from 11.2012 to now (13 years 6 months)
Network22 Ltd, Дистанційно (IT)

Designed and operated distributed Proxmox cluster (18 physical nodes across two data centers)
Managed 13-year production system lifecycle (monolith → distributed architecture)
Built Docker Swarm clusters
Designed high-load MySQL cluster topologies
Performed critical data migrations
Implemented nginx + Lua proxy architecture
Integrated Cloudflare and geodata processing layers
Built monitoring stack (Zabbix, Grafana)
Developed backup architecture and disaster recovery strategies

Системний адміністратор

from 03.2008 to 11.2012 (4 years 9 months)
ISP Intertelecom, Суми (Телекомунікації, зв'язок)

Системний адміністратор

from 09.2007 to 09.2008 (1 year)
PortaOne, Київ (IT)

Knowledge and skills

• Proxmox VE
• Dns
• AzureAD
• MySQL
• Адміністрування ОС Linux
• IP (Internet Protocol)
• GWS
• MS365
• Iot
• Home automation
• Single-board computers