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Volodymyr Shabat
Remote, Ukraine | [open contact info](look above in the "contact info" section)
LinkedIn | GitHub

Professional Summary
Junior Infrastructure Engineer with hands-on experience in Windows Server administration, Active Directory, Linux
systems, and network equipment (Cisco/MikroTik). Currently managing monitoring and virtualization infrastructure for
a regional ISP serving 50+ network nodes. Strong foundation in DNS, DHCP, Group Policy, and enterprise automation
via scripting and LDAP.

Technical Skills
Systems: Windows Server 2016+ (AD DS, DNS, DHCP, IIS, GPO), Linux (Ubuntu/CentOS/Debian)
Virtualization: VMware ESXi, Proxmox, VMware Workstation
Networking: Cisco IOS, MikroTik, TCP/IP, VPN, VLANs, Firewalls, Routing, Wireshark
Monitoring: Zabbix, Grafana, SNMP, Cacti Weathermap
Databases: PostgreSQL, MS SQL Server, SSMS
Scripting: Bash, Python, PowerShell, VBScript, C# (.NET)
Services: Nginx, Apache, IIS, FTP, SSH, RDP, Asterisk PBX

Professional Experience
Systems & Network Administrator Kyiv Region, Ukraine
Baryshivka.NET ISP Aug 2024 – Present
– Administer 50+ network devices (Cisco/MikroTik routers and switches), managing routing, VLANs, and firewall
rules.
– Deployed centralized monitoring infrastructure using Zabbix and Grafana with custom SNMP templates and
alerting.
– Manage virtualized infrastructure on VMware ESXi and Proxmox, provisioning VMs for production and
development environments.
– Administer Linux servers (Ubuntu/CentOS): Nginx, PostgreSQL, SSH access controls, user management.
– Maintain Cacti Weathermap for real-time SNMP-driven network topology visualization.
– Support Asterisk PBX and VoIP infrastructure (SIP/RTP).

Education
Taras Shevchenko National University of Kyiv Kyiv, Ukraine
Bachelor of Science in Computer Engineering Jun 2025

Enterprise Infrastructure Lab (Coursework)
Active Directory & Domain Services | Windows Server, C#, VBScript
– Deployed Windows Server 2016 Domain Controller, configured forest/domain structure for .UA zone.
– Managed AD objects: OUs, users, groups, Group Policy Objects (GPO).
– Extended AD Schema with custom attributes using LDIFDE and Schema Snap-in.
– Developed C# automation tools for bulk user provisioning and LDAP queries via System.DirectoryServices.
– Wrote VBScripts to automate creation of 1,000+ test users for load testing.
Network Services & Security | DNS, DHCP, IIS, FTP, SSH
– Configured DNS (Forward/Reverse zones, SOA, NS, A, PTR records) and DHCP with scopes and reservations.
– Deployed IIS Web Server with bindings, SSL, and authentication (Anonymous/Basic).
– Implemented FTP server with hierarchical directory structure and ACL-based permissions.
– Configured SSH server on non-standard port, established SSH tunnels for RDP/HTTP traffic.
– Performed packet capture and traffic analysis with Wireshark, documented credential exposure vulnerabilities.
Networking & Routing | Cisco, Huawei, Wireshark
– Configured routing, firewalls, and VPNs on Cisco and Huawei equipment in virtualized lab.
– Analyzed network protocols and troubleshot connectivity issues using Wireshark.
Application Integration | ASP.NET MVC, WCF, REST API, Docker
– Built ASP.NET MVC apps integrated with Active Directory for LDAP group visualization.
– Developed WCF services to query AD groups and consumed via Windows client.
– Deployed REST APIs in Linux/Docker environments.