Контактна інформація

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Отримати контакти цього кандидата можна на сторінці https://www.work.ua/resumes/11321192/

Досвід роботи

Network & Security Engineer

з 10.2025 по нині (4 місяці)
Allianz Украина, СК, Київ (Фінанси, банки, страхування)

Responsibilities

Administration and modernization of enterprise network infrastructure based on Cisco Catalyst 9200 (L2) and 9300 (L3).
Full replacement of legacy network equipment: configuration preparation, migration, optimization, and physical/logical switching.
Ensuring stable network operations, incident response, and fault resolution.
Administration and monitoring of Cisco ASA, maintaining network security controls.
Vulnerability assessment, analysis, and remediation using Qualys.
Configuration and maintenance of Symantec Email Security: spam and phishing protection.
Organization and control of backup and recovery processes using Arctera.
Monitoring of server infrastructure and critical business services.
End-user support (software, peripherals, printers), troubleshooting technical issues.
Participation in IT projects and automation of operational processes.
Infrastructure operation under power instability constraints (UPS management, scheduled equipment shutdowns).

Key Achievements
Successfully completed full network infrastructure replacement (Cisco L2/L3) with zero business downtime.
Created internal documentation and user guidelines for secure corporate email usage, phishing prevention, and email security policies.
Reduced the number of critical vulnerabilities (severity 4/5) from 153 to 12; remaining risks formally documented and accepted due to software limitations.
Significantly improved the overall security posture and infrastructure stability.
Implemented and optimized email security policies, resulting in a major reduction of spam and phishing attacks.
Designed and deployed a reliable backup and recovery system, including restore verification.
Performed IT asset inventory and secure decommissioning of legacy hardware, including data sanitization and preparation for reuse or donation.
Designed and implemented a Linux Mint–based thin client (full lifecycle: design → implementation → rollout).
Optimized network operations considering unstable power supply conditions.

Фахівець з кібербезпеки

з 03.2025 по 09.2025 (7 місяців)
Національний депозитарій України, ПАТ, Київ (Фінанси, банки, страхування)

Development and support of Bash scripts to automate data backup processes.
Setting up and administering firewall rules, monitoring border activity.
Promotion and surveillance of intruder detection and prevention systems (IDS/IPS).
Managing PAM authentication modules: setting up access policies, monitoring authentication logs.
Updating and updating the matrix of roles for the access of clients to information resources.
Analysis of incoming email and files for the presence of phishing attacks and malicious software.
Conducting regular security monitoring and analysis of system logs.
The role of the investigated information security incidents, this recommendation is based on them.
Installed security updates for servers and end devices.
Preparation of internal documentation from security and information procedures.

Освіта

КПІ

125 Кібербезпека
Вища, з 2020 по 2024 (4 роки)

Знання і навички

• Cisco (Catalyst 9200 / 9300)
• Cisco ASA
• TCP/IP
• VLAN
• Firewall Configuration
• IPS / IDS (Suricata)
• FortiGate (basic administration)
• Symantec Email Security
• Qualys
• Greenbone
• Wireshark
• ELK Stack
• Log Analysis
• Email Security
• Arctera Backup
• Backup & Recovery
• GPO
• VMware
• L2/L3 Networking
• Network Monitoring
• Zabbix
• TNM
• RDM
• DNS Configuration
• Linux Administration
• Windows Administration
• System Administration
• IT Asset Inventory
• Secure Decommissioning
• Bash scripting
• Python (basic scripting)
• C++ (basic)
• Python virtual environments (venv)
• Microsoft Hyper-V (basic)

Знання мов

• Англійська — просунутий
• Німецька — початковий