Олександр

[open contact info](look above in the "contact info" section)
Oleksandr Melnikov [open contact info](look above in the "contact info" section)
Telegram
Site Reliability Engineer
LinkedIn
GitHub
Kamiznets-Podilsky, Ukraine, remote
Can work during blackouts thanks to critical
infrastructure nearby.


SUMMARY
Resourceful and highly skilled System Administrator with extensive experience managing, hardening, and
troubleshooting corporate IT infrastructure. Proven track record in heterogeneous environment integration
(Linux/Windows/MacOS), virtualization management (Proxmox VE), and disaster recovery planning. Actively
mastering SRE/DevOps methodologies, multi-container deployments, and advanced automation using Python.
Calm under pressure, highly adaptable, and fluent in technical English. Ready for flexible scheduling, on-call
rotations, and remote engagement.

SKILLS
● Operating Systems: Linux (Ubuntu, Debian, CentOS, ecosystem integration for 50+ machines),
Windows Server (Active Directory, Group Policy, RDP), MacOS.
● Virtualization & Infra: Proxmox VE orchestration, On-premise infrastructure upkeep.
● Networking & Hardware: Router/Switch administration (Mikrotik, pfSense, Cisco, Keenetic), WiFi
networks (Ubiquiti Unifi controller), Fiber-optic splicing, DNS, TCP/IP, Firewalls.
● Automation & Scripting: Python (OOP, data processing, functional programming), LibreOffice
Basic/Macros, Bash.
● Monitoring & Backups: Proxmox Backup Server (PBS), Zabbix, GLPI asset tracking, CloneZilla,
Acronis.
● Databases & Tools: MySQL, MS SQL, MS Office, Git/GitHub.
● DevOps Basics
● English: Upper-Intermediate B2, strong technical communication, fluent reading/writing.

EXPERIENCE
SRE / DevOps | 2025 – Present
● Administrative Task and Automation: Designed Python scripting modules and sequences alongside
macro scripts to eliminate manual configurations and cross-sheet spreadsheet data formatting. GitHub
for version control and codebase tracking.
● Disaster Recovery & Monitoring: Engineered backup schedules and data retention pipelines using
Proxmox Backup Server (PBS), CloneZilla, and Acronis. Monitored hardware metrics and service health
endpoints via Zabbix.
● Infrastructure Automation: Developed robust Powershell and Bash scripting modules to automate
routine infrastructure tasks, and system updates. Replaced manual configurations with structured code,
 reducing human error by 40% and cutting cross-sheet spreadsheet data formatting time.
● Log Management & System Reliability: Participated in setting up alerting metrics, analyzing application
logs, and conducting root cause analysis (RCA) to minimize down-time and ensure high availability of
hosted services.

System Administrator / Infrastructure Engineer | 2007 – 2025
● Virtualization & Server Management: Architected and maintained enterprise server environments
utilizing Proxmox VE hypervisors. Managed Windows Server (Active Directory, RDP, MS SQL) and Linux
storage nodes (Samba, OpenVPN, HTTP, FTP).
● Linux Integration: Successfully integrated and supported a Linux ecosystem across 50+ client
machines, optimizing operating cost and system baseline security.
● Network Infrastructure: Deployed and automated multi-vendor networks leveraging Mikrotik, pfSense,
and Cisco devices. Structured robust corporate WiFi coverage via Ubiquiti UniFi environments.
● Technical Support & Hardware Upkeep: Conducted high-tier hardware troubleshooting, asset tracking
via GLPI, and deployment of Dahua/Hikvision IP surveillance architectures.

EDUCATION
DevOps & Site Reliability Engineering Intensive Course — 2026
Volodymyr Dahl East Ukrainian National University — Applied Mechanics, 2025
Polytechnic College — Maintenance and Repair of Industrial Information Technology, 2007