Work Experience
Team Lead System Administrator, Gypsy
Duration: Oct 2024 - Oct 2025
Responsibilities:
- Provisioned new user devices with required software, security configurations, and access permissions.
- Managed company-owned hardware, software licenses, and compliance.
- Configured and maintained VPN solutions for secure remote access.
- Implemented centralized user management tools (JIRA Assets, GLPI).
- Led a team of system administrators, delegated tasks, and ensured process documentation.
- Designed and maintained onboarding/offboarding workflows, domain, and service management processes.
- Implemented password management (1Password/Bitwarden) and HelpDesk systems (JIRA, Asana).
- Integrated system processes across JIRA, Notion, Zapier, Google Workspace, Asana, GitLab, Tableau, HubSpot, CustomerIO, Miro, HiBob, Mango Proxy, and Slack.
Technologies: JIRA, JIRA Assets, GLPI, 1Password / Bitwarden, Asana, Notion, Zapier, Google Workspace, GitLab, Tableau, HubSpot, CustomerIO, Miro, Slack, Mango Proxy, VPN tools.
Senior Unix & Virtualization Administrator, SoftServe
Duration: Sep 2022 - Sep 2024
Responsibilities:
- Managed Linux servers (CentOS, RedHat, AlmaLinux).
- Administered VMware virtualization and large-scale storage systems.
- Implemented backup solutions (Avamar) and security monitoring (Splunk, rsyslog, firewalls).
- Maintained DNS/DHCP services in Docker containers.
- Supported mail systems, monitoring with Zabbix and CheckMK, and credential management with HashiCorp Vault.
Technologies: CentOS, RedHat, AlmaLinux, VMware, Avamar, Splunk, rsyslog, Docker, DNS/DHCP in containers, Zabbix, CheckMK, HashiCorp Vault, firewalls.
Senior Unix & Virtualization Administrator, SoftServe
Duration: Oct 2020 - Sep 2022
Responsibilities:
- Administered Linux, Windows, and macOS systems.
- Managed VMware environments and secure storage systems.
- Deployed DNS/DHCP on Docker containers and supported firewalls (Fortinet).
- Conducted security analysis and monitoring using Splunk and rsyslog.
Technologies: Linux, Windows, macOS, VMware, Docker (DNS/DHCP), Fortinet firewalls, Splunk, rsyslog.
Senior Linux System Administrator, Regional Gas Company
Duration: Mar 2020 - Oct 2020
Responsibilities:
- Supported systems on Linux with Docker containers, Zabbix, and ELK stack.
- Automated processes with Ansible.
- Configured centralized log collection, OS installation, diagnostics, and monitoring.
Technologies: Linux, Docker, Zabbix, ELK (Elasticsearch / Logstash / Kibana), Ansible.
Senior Linux System Administrator, Bookimed
Duration: Sep 2019 - Mar 2020
Responsibilities:
- Deployed telephony based on Asterisk and managed Linux servers.
- Automated application deployment with Ansible and supported Docker environments.
- Implemented monitoring with Zabbix, Grafana, and Kibana.
- Configured VPN (OpenVPN) and managed ProxMox, Hetzner, and VMware systems.
Technologies: Asterisk, Linux, Ansible, Docker, Zabbix, Grafana, Kibana, OpenVPN, ProxMox, Hetzner, VMware.
Lead Virtualization and Monitoring Specialist, DTEK
Duration: Nov 2017 - Sep 2019
Responsibilities:
- Managed over 3000 VMs in Hyper-V, VMware, and Azure clusters.
- Administered SCCM, SCVMM, and SCOM.
- Maintained Windows and Linux servers and macOS devices.
Technologies: Hyper-V, VMware, Azure, SCCM, SCVMM, SCOM, Windows, Linux, macOS.
System Administrator, DHL Global Forwarding
Duration: Apr 2016 - Nov 2017
Responsibilities:
- Managed IT support staff and oversaw server installations (Windows, Linux).
- Modernized IT infrastructure and implemented virtualization (Hyper-V).
- Configured Active Directory, Exchange, VPN, and security systems.
- Maintained peripherals and conducted equipment inventory.
Technologies: Windows Server (AD, Exchange), Hyper-V, Linux, VPN, virtualization tools.
Lead System Administrator, AllBiz
Duration: Nov 2014 - Apr 2016
Responsibilities:
- Managed Microsoft server technologies (AD, DHCP, DNS, GPO, RDS).
- Installed and supported Hyper-V and VMware environments.
- Administered Zimbra, Zabbix, and Asterisk servers.
- Implemented backup, antivirus, and network security solutions.
Technologies: Active Directory, DHCP, DNS, GPO, RDS, Hyper-V, VMware, Zimbra, Zabbix, Asterisk, backup/AV tools.
System Administrator, Space IT
Duration: Feb 2013 - Nov 2014
Responsibilities:
- Installed, configured, and maintained AD, OTRS, OpenFire, Zimbra, and Asterisk.
- Managed software, hardware, and data backups.
- Ensured operating system security and recovery.
Technologies: Active Directory, OTRS, OpenFire, Zimbra, Asterisk, backup tools.
System Administrator, State Agency for Investment and National Projects of Ukraine
Duration: Dec 2011 - Jan 2013
Responsibilities:
- Installed system updates, created backups, and managed user accounts.
- Ensured data protection and expanded the company’s network infrastructure.
Computer Systems Engineer, Beeline/Kyivstar
Duration: Oct 2010 - Nov 2011
Responsibilities:
- Supported over 2500 computers and business software.
- Installed OS and ensured service continuity for employees.
Junior IT System Administrator, CreditExpress
Duration: Jul 2009 - Sep 2010
Responsibilities:
- Installed and maintained Windows and Linux systems.
- Configured Asterisk, antivirus protection, and communication systems.
Technologies: Windows, Linux, Asterisk, antivirus solutions.
Education
Bachelor’s Degree in Radio Engineering, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” (2011 - 2015)
Certification
- Server Virtualization with Windows Server Hyper-V and System Center (2019)
- Construction of IP Telephony Based On Free Asterisk Software (2017)
- Securing Windows Server 2016 (2017)
- McAfee Web Gateway Administration (2014)
- Asana - Project Management - Intermediate to Advanced (2025)
- GitLab CI/CD Pipelines, CI/CD and DevOps for Beginners (2025)
- Kubernetes for the Absolute Beginners - Hands-on (2025)
- Zabbix 7 Application and Network Monitoring (2025)
