Олександр

OLEKSANDR SYSTEM ADMINISTRATOR
CYBERSECURITY SPECIALIST
ZBOROVSKYI
PROFILE
CONTACTS
I have extensive experience working both as part of a team and independently on tasks of varying
📍 Lviv, Ukraine difficulty. I pick up new knowledge quickly. I have experience setting up network equipment. I’m
📍 [відкрити контакти](див. вище в блоці «контактна інформація») working my way through TryHackMe, HacktheBox, and pwn.college right now. Primarily managing
firewalls, IP telephony, Asterisk, Ringostat, and Cisco Wireless/Network, CCTV and Access control
📍 [відкрити контакти](див. вище в блоці «контактна інформація»)
systems (SALTO). I have a Cisco Network Basics certificate. Strong skills in managing restaurant
business systems, POS printers, specialized software, etc.
LANGUAGES
Ukrainian
WORK EXPERIENCE
native
English Network/Telecom Cable Installer 22.07.2024 – 09.09.2024
B2 LeoCom
• Working with specialized tools, the ticket system, and ensuring uninterrupted network service
Networking & Protocols during power outages
▸ DHCP
▸ IP/TCP
System administrator 19.02.2025 – 03.05.2026
HOTELini
▸ DNS
▸ SSH • Network administration, facility IT infrastructure, and the identification and implementation of
new solutions.
▸ VLAN
• Configuring network equipment, ensuring the integrity and uninterrupted operation of the IT
▸ VRRP
infrastructure.
▸ HTTP/HTTPS
• All the networks I've worked with were designed to handle 300–1,000+ users
▸ SSL/TLS
▸ FTP/SFTP
EDUCATION
▸ LDAP
▸ SMB LVIV POLYTECHNIC NATIONAL UNIVERSITY
▸ WLAN Cybersecurity
▸ STP, RSTP 2022 — 2026 (Bachelor degree)
▸ IPSec, VPN, WireGuard
PROJECTS
▸ RIP/OSFP
▸ IMAP/SMTP • Cisco Packet Tracer (DMZ, VLAN, NAT)
▸ RADIUS/TACACS+ • Cisco Wireless WPA2/Enterprise (EAP/TLS)
▸ EAP-TLS (X.509) / PEAP • Rework all MikroTik network from scratch. Increase bandwidth and optimize performance.

Soft Skills HARD SKILLS
▸ Attention to details
OS Administration
▸ Problem solving
• Windows 7, 10-11, Server 2012, 2019, 2022, AD, IoT
▸ Critical thinking
• Linux Kali, Ubuntu, Fedora, Debian
▸ Responsibility
• macOS, iOS
▸ Fast learning
▸ Strong communication skills • Android

Programming/Automation/Administration
• Bash, Shell
Hobbies
• JS, Python, C/C#
▸ Guitar playing • MySQL, SQL
▸ Sports
▸ Table tennis
Tools for administration
• Zabbix, Zoho Tasks, FreePBX/Asterisk, Ringostat, Docker/Docker Compose, Kubernetes, Winbox,
MobaXterm, LG Pro:Centric, VMware, Virtual Box, Hyper-V.

Tools for cybersec
• OpenVAS, Nessus, Wireshark, nmap, maltego, Airmon-ng, Metasploit, John The Ripper,
CyberChef