Юрій

YURII KOLOMIIETS
Junior System Administrator / L1 IT Support Specialist
Location: Lviv, Ukraine Phone: [відкрити контакти](див. вище в блоці «контактна інформація») Email: [відкрити контакти](див. вище в блоці «контактна інформація») Telegram: @VERSo342

PROFESSIONAL SUMMARY

IT Support Specialist / Junior System Administrator with over 6 months of commercial experience in L1 technical support,
network troubleshooting, and user administration across Windows and Linux environments. Proven track record in resolving user
tickets, managing accounts in Active Directory, handling remote access via RDP, RDS, and AnyDesk, and maintaining strict SLA
compliance. Hands-on experience with server administration (Ubuntu Server, Nginx, MySQL), Docker containerization, and macOS
basic user support.

PROFESSIONAL EXPERIENCE

L1 IT Support Specialist / Junior System Administrator 03/2026 – Present
IT Services & Support Company
Act as the first point of contact for technical support, resolving L1 user incidents via Jira / Service Desk ticketing systems while
adhering to SLA response times.
Perform user account management and access control in Active Directory (AD), including password resets, permission
assignments, and mail service configuration.
Provide remote desktop support for Windows (10/11) and macOS endpoints using AnyDesk, RDP, and SSH.
Diagnose and resolve network connectivity issues related to IP configuration, DNS, DHCP, VPN access, and routing.
Escalated complex L2/L3 infrastructure incidents with detailed preliminary diagnostics and log analysis.
Handled macOS user tickets regarding software installation, access issues, and basic OS troubleshooting.

TECHNICAL SKILLS

Operating Systems: Windows 10/11, Windows Server, Ubuntu Identity & Access: Active Directory (AD), Exchange / Mail
Server, macOS (User support & troubleshooting) Services, VPN, RDS / RDP, AnyDesk

Networking & Protocols: TCP/IP, DNS, DHCP, Routing, IT Service Management: Helpdesk L1, Jira / Service Desk,
Diagnostics (ping, traceroute, ss, curl, netstat) SLA compliance, Incident Escalation

Servers & Virtualization: Nginx, PHP-FPM, Apache, Docker, Scripting & Tools: Bash, Cron, Git, Systemd, Journalctl, Htop
Docker Compose, Cloudflare Tunnel

PROJECT EXPERIENCE

Autonomous Web Server & Cloud Infrastructure 2026
Deployment: Deployed and configured an Ubuntu Server environment with UFW firewall and SSH key authentication.
Containerization: Containerized a LEMP stack (Nginx, PHP-FPM, MySQL) using Docker Compose for isolated service deployment.
Automation & Security: Configured automated database and file backups via Cron and Bash scripts, utilizing Cloudflare Tunnel for
secure public access.

EDUCATION LANGUAGES

Lviv IT College Ukrainian: Native / Professional fluency
Associate Degree in Software Engineering / Computer Science English: A2 / Technical (Reading documentation, basic written
communication)

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