Ігорь

Ihor Radetskyi
Network Engineer | IT Support | Systems Administration
Kyiv, Ukraine (open to remote) | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)

PROFESSIONAL SUMMARY

IT professional and network engineer with hands-on experience across ISP infrastructure, L1/L2 technical
support, and client-facing service. Comfortable in multi-OS environments (Linux, FreeBSD, Windows
Server) and virtualization platforms, with practical scripting in Python, Bash, and PowerShell. Uses modern
AI tools (ChatGPT, Gemini) day to day to speed up scripting, troubleshooting, and automation. Fast learner
who enjoys languages and communication, with a strong working level of English for international teams.

CORE COMPETENCIES & TECHNICAL SKILLS

• Networking & Telecom: Juniper MX series, Huawei OLTs MA5xxxx, Cisco Nxos, Cisco IOS, D-Link,
Routing & Switching, TCP/IP, UDP, ICMP, OpenVPN, BGP, Asterisk (VoIP), FreeRADIUS (AAA), PC
hardware diagnostics & assembly
• L1 and L2 support
• Operating Systems & Virtualization: Linux, FreeBSD, Windows Server, Proxmox VE, Proxmox
Backup Server, KVM/QEMU, Hyper-V, Vmware, FreeBSD
• Programming & Web: Python, Bash, PowerShell, C, C++, JavaScript, ES6, TypeScript, React, Vue.js,
Make, gcc
• AI & Modern Tools: Google Gemini, Anthropic Claude CLI, Microsoft Copilot, ChatGPT Codex; AI
prompt engineering; deep expertise in leveraging modern LLMs for development and automation
• Databases: Relational databases (RDBMS), SQL, sqlite, postgres.
• Tools & Cloud: Git, VS Code, ChatGPT, Gemini, Codex, ChatGPT
• Support & Soft Skills: L1/L2 technical support, live client network support, IT service management,
clear communication
• Languages: Ukrainian (native), Russian (native), English (Advanced), Polish (Beginner), Math

PROFESSIONAL EXPERIENCE

Network Engineer & IT Support — ISP batyevka.net (AS39027) Kyiv, Ukraine | 2023 – 2026
• Administered core ISP network infrastructure; configured and troubleshot Juniper MX routers, Huawei
OLTs, and related telecom hardware.
• Delivered live L1 and L2 technical support, diagnosing and resolving network and hardware issues
directly for clients.
• Managed client relations and service delivery, keeping communication clear and response times low.
• Ran enterprise virtualization, including migrating virtual machines (e.g., Proxmox Backup Server) from
Hyper-V to KVM/QEMU.
• Automated routine operations across Windows Server, Linux, and FreeBSD using PowerShell, Bash, and
Python.
• Built custom scripts for network monitoring, user management, and automated bandwidth shaping for
VPN clients.
• Automated SSL certificate issuance and renewal across multiple production service domains.
Junior Linux System Administrator — Linkos Group Software Kyiv, Ukraine | 1 month
Development (2026)
• Managed Linux infrastructure and system administration tasks for development operations.
• Zabbix administration mastery, app sec and application management, OS and app Hardening, applying
and checking CIS remediation benchmarks, introduction into ms teams architecture.

Junior System Administrator — Dline.ua (Hosting Provider & Data Kyiv, Ukraine | 1 month
Center) (2021)
• Provided system administration support for hosting infrastructure and data center operations.
• Assembling machines for dedicated servers.

EDUCATION

Polish-Japanese Academy of Information Technology (PJATK), Warsaw
Computer Science — undergraduate

CERTIFICATIONS & TRAINING

• Cisco Certified Network Associate (CCNA) — Cisco Networking Academy at SEDICOMM University
• Interconnecting Cisco Networking Devices (ICND) — SEDICOMM University
• Web Frontend Development — foxminded.ua