Никита

Lapenkov Nikita
28.05.1993
Ukraine, Dnipro
tell: [відкрити контакти](див. вище в блоці «контактна інформація»)
telegram – @nlapenkov
email: [відкрити контакти](див. вище в блоці «контактна інформація»)

Summary
 Linux Engineer with 15+ years of experience in Linux system administration and 3+ years
building and operating production OpenStack clouds ( Kolla-Ansible). Specialized in KVM
virtualization, Ceph storage, infrastructure automation (Ansible, Bash), and performance
optimization of cloud platforms.
 Successfully deployed and maintained OpenStack clusters (15+ nodes), migrated 40+ client
workloads to cloud, and reduced downtime through proactive monitoring and automation.
Fluent in technical English for documentation and team communication.

Core Competencies

Category Technologies & Expertise
OS Ubuntu, Debian, CentOS, Windows Server
Virtualization KVM, Libvirt, QEMU, Proxmox, OpenVZ
OpenStack (Nova, Neutron, Cinder, Glance, Horizon, Keystone) via Kolla-
Cloud Platform
Ansible
Storage Ceph (RBD, RGW), LVM, hardware/software RAID
Networking DHCP, DNS (Bind), NTP, SMTP/POP3/IMAP, HTTP/HTTPS, FTP/SFTP, VLAN
Web & Proxy Nginx, Apache, HAProxy, PHP-FPM, LEMP/LAMP
Automation Ansible (playbooks, roles), Bash scripting, CI/CD (Jenkins, GitHub Actions)
Monitoring Prometheus + Grafana, Zabbix, Nagios
Databases MySQL/MariaDB (replication), PostgreSQL (dump/restore, replication)
Infrastructure as Code Kolla-Ansible, Ansible playbooks

Professional Experience
“OneCloudPlanet”, Ukraine, Dnipro
System Engineer April 2023 – nov 2025

 Designed and deployed production OpenStack-based cloud (Kolla-Ansible) on 15-node
cluster (3 controllers + 12 compute) using KVM and Ceph backend.
 Managed full lifecycle of OpenStack services: Nova, Neutron, Cinder, Glance, Horizon —
ensured 99.9% availability.
 Performed client infrastructure audits, migrations to cloud (40+ workloads), and post-
migration optimization.
 Automated server provisioning, configuration, and updates with Ansible
 Implemented Prometheus + Grafana monitoring stack — detected and resolved 30+
performance bottlenecks proactively.

Group of company “Aktiv”, Ukraine Zaporizhzhya
Linux system administrator Jun 2018 – 30.12.2022
 realization cloud1C
 administration and monitoring dedicated servers, WEB-stack, AD/DNS/GPO, cluster 1C,
PostgreSQL, Windows server 2008-2019, servers of Proxmox and VM
 bash scripting
 automation tasks by Ansible

Netnegi.com, Dnipro, Ukraine (Remote)
Linux System Administrator Feb 2016 – Feb 2019

 Administered 150+ KVM-based VPS and dedicated servers with full OpenStack-compatible
virtualization stack.
 Built and scaled hosting infrastructure using LEMP, Nginx, HAProxy, and ISPmanager/cPanel
control panels.
 Developed Bash and Python scripts for automated backups, log rotation, and security
hardening — applied to 500+ instances.
 Provided 24/7 incident response: resolved 95% of critical issues within SLA (<1 hr).
 Configured DNS, SMTP, FTP/SFTP, and SSL/TLS for customer environments.

First Ukrainian International Bank, Zaporizhzhia, Ukraine
System Administrator Sep 2016 – Apr 2018

 Managed hybrid Linux/Windows environment (50+ workstations) with AD, GPO, DHCP,
DNS, and NTP.
 Deployed and maintained 20+ ATMs with high availability and remote monitoring.
 Wrote automation scripts (Bash) for system updates, user provisioning, and compliance
reporting.

Hlebodar, Ukraine, Zaporizhzhya
System administrator Aug 2014 – Apr 2015

● administration workstations (Linux, Windows), AD, GP, Exchange2003, WSUS
● support users through MS sharepoint, remote support.
● installation and configuration peripherals,
● anti-virus protection.

Zaporizhzhia State University, Zaporizhzhia, Ukraine
Junior System Administrator Nov 2009 – Jul 2014

 Automated OS deployment (Ubuntu, openSUSE, Windows) using PXE, Kickstart, and Acronis
— 200+ systems.
 Administered campus network services: DHCP, DNS, Squid proxy, iptables firewall.
 Gained foundational experience with KVM/QEMU and early OpenStack prototypes.

Education
Zaporizhzhia State University Bachelor’s Degree in Computer Systems and Networks 2008 – 2012

Languages
 Ukrainian – Native
 English – Pre-Intermediate (technical documentation, manuals, email/team
communication)