Experience
Pentester, Vodafone Ukraine Kyiv, Ukraine
2022-now
Responsibilities:
- pentesting web,mobile-applications, different systems and writing reports;
- making and checking roadmaps to remedy vulnerabilities;
- Vulnerability Management;
- Vulnerability and web-scanning with Qualys;
- SAST scanning with Checkmarx;
- Different Kali Linux tools for penetration testing;
- Security incidents analysing;
Senior Cybersecurity Engineer, DTEK LLC Kyiv, Ukraine
2020-2022
Responsibilities:
- configuring firewalls CheckPoint 6200, 15600, CheckPoint Maestro (Security Policies, Security Profiles, Authentication, Logs, Security Fabric, RA VPNs, Site-to-Site VPNs);
- configuring scheduled backups;
- worked with monitoring systems – PRTG, ELK-stack (monitoring network activity, security risks and troubleshooting corporative networks);
Engineer, SE Informational Court Systems Kyiv, Ukraine
2019-2020
Responsibilities:
- configuring firewalls FortiGate 1000D (Policies, Security Profiles, Authentication, Logs, Security Fabric, RA VPNs, Site-to-Site VPNs);
- basic configuring FortiMail;
- configuring Cisco switches (37xx series) - VLANs, SSH, ACLs, Logs, Security features;
- worked with monitoring system “Solar Winds” to monitor network activity and troubleshooting corporative networks;
- configuring servers: virtualization (ESXi, Hyper-V, KVM), program-encryption server for secure video conferencing and remote access, OpenVPN server, ESET Remote Administrator server and supporting other corporate servers;
- participation in tenders.
System Administrator, LLC National Confidential Networks Kyiv, Ukraine
2018-2019
Responsibilities:
- configuring firewall FortiGate 501E (Policies, Security Profiles, Authentication, Logs, static routes, Web-, DNS-, filtering);
- configuring Cisco switches (35xx, 37xx series) - VLANs, SSH, ACLs, Logs, Security features;
- configuring Cisco (28xx, 38xx series), Mikrotik, HPE routers - SSH, ACLs, Logs, Security features, static routing, OSPF, MPLS, VPLS, MBGP, NTP, SNMP, Tacacs\Radius;
- worked and configured hardware encryptors for building save MPLS-based network;
- worked with monitoring system “PRTG” to monitor network activity, troubleshooting corporative and MPLS networks;
- configuring servers: virtualization (ESXi, Hyper-V), mail (postfix+dovecot), file-share server (Samba), database server (Mysql, PostgreSQL);
- participation in tenders.
Electrician of the station telephone equipment, Ukrainian Special Systems Kyiv, Ukraine
2017-2018
Responsibilities:
- basic configuring switches and routers Cisco 36xx series, Mikrotik and Hewlett-Packard (VLANs, SSH, ACLs, Logs, Security features, static routing, NAT);
- worked and configured encryptors (“Pelena”, “Loza”);
- worked with monitoring system (“Zabbix”);
- business trips which included construction works of subscriber points which provide distributed encrypted channels with high availability (2 channels - 3G and
fiber).
Assistant of system administrator, State center of information resources of Ukraine Kyiv, Ukraine
2015-2016
Responsibilities:
- received new experience and professional skills;
- became more self-organized person;
- received new experience during working with Linux OS (Fedora, CentOS, Debian), bash programming practice; Windows XP, 7, 8, 10; Windows Server 2002, 2008, 2012, 2016;
- completely investigated hardware of computers, servers;
- got new skills of troubleshooting computers’ hardware and software;
Skills
- Strong knowledge of Linux/Windows OS;
- Understand the principles of functioning of computer networks, encryption, building secure distribute networks;
- Configuring network devices, firewalls, routers, switches;
- Configuring virtualization (ESXi, KVM) and different kind of servers (ftp, mail, vpn, proxy, web, etc.);
- Practical knowledge of networking protocols and TCP/IP-model and services that are used by this model;
- Scripting languages – Bash;
- Participation in building comprehensive information protection systems for customers;
- Integrating and configuring NGFW (FortiGate, CheckPoint, Cisco ASA), SIEM, WAF, DLP etc. for customers;
- Participation in penetration testing using such instruments: NMAP, Wireshark, Metasploit, WPScan, BurpSuite, JohnTheRipper, Nessus;
- AWS;
- Docker, Kubernetes, Ansible;
Education
Odessa National Academy of Popov, Department of Cybersecurity. Got a qualification Master of Cybersecurity.
2020-2021
Odessa National Academy of Popov, Department of Telecommunications and Radio engineering. Got a qualification Bachelor of Telecommunications and Radio engineering.
2019-2020
Kiev College of Communication, Department of Computer Engineering, specialization: Maintenance of Computer Systems and Networks. Got a qualification ‘Data
Center Technician’.
2014-2018
