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Працював в 2 компаніях   17 років 4 місяці

IT, Інтернет

Системный администратор

ТОВ "Вердат Инвест "

IT

7 років 8 місяців

05.2018 - до теперішнього часу

  • Managing 20+ servers in distributed and highly available critical infrastructure.
  • Supports for a large office network infrastructure more than 300 Linux machines and devices;
  • Installing, upgrading software and configurations via ansible configuration management
  • Deploying Django python web Application, configuring Apache, Nginx, Hapoxy, MySQL, Memhached, CouhDB and other services.
  • Organization of an environment for developers based on virtualization technologies like qemu kvm, proxmox
  • Built and deployed Docker containers for web app to break up monolithic app into microservices, improving developer workflow, increasing scalability, and optimizing speed
  • Setup and manage cloud and dedicated companies servers.
  • Monitoring servers and infrastrutures via Zabbix, MMonit, mrtg, Nagios system monitors.

Network Engineer

ТОВ ТЕЛЕСВІТ

Інтернет

9 років 8 місяців

08.2008 - 03.2018

  • Performing network documentation and creating disaster recovery plan.
  • Maintaining 24 hours operations, and ensure 99.9% uptime for the servers.
  • Administrating & designing LANs, WANs internet/intranet, and Wireless networks.
  • Cisco & switch configuration in particular VLAN configuration/troubleshooting, routing, access etc.
  • Monitoring bandwidth and network activity by analyzing information provided by MRTG to ensure both efficient and effective network operation.
  • Implementing network security measures to protect data, software, and hardware.
  • Resolving network operational issues.
  • Overseeing network and equipment upgrades to include IOS, image upgrades, and configuration changes.
  • Created and implemented a HotSpot WiFi network based on CAPSMAN MikroTik Wireless technology in Kyiv and Lviv
  • Writing C++, java scripts to provide configuration backup. Other tasks.
  • Finding solutions to any problems found

Ключова інформація

Good knowledge for main operating systems: Linux, FreeBSD, Windows

Mikrotik Routers, Wireless

Cisco Routers, switches (7609, 7200, 7500, ASR 1004)

SQL and database management

Switches (L2/L3)

Wireless a/b/g/n

Experience in Network Administration and Architecture

Good understanding of OSI model, TCP/IP protocol (IP, ARP, ICMP, TCP, UDP)

Firewall setup and operation

Programming language skills: Bash, Python, Java etc

Version control systems: Git, Mercurial

Configuration management using Ansible

Virtualization: Docker, docker-compose, kvm

CI/CD: Jenkins, GitlabCI, GitHub Actions

Monitoring: Zabbix, MMonit, MRTG,Prometheus,ELK

Very good teamwork ability

Навчався в 1 закладі

Kirovohrad National Technical University

Кропивницкий, 1998

Курси, тренінги, сертифікати

MikroTik

Киев, 2016

MikroTik CERTIFIED NETWORK ASSOCIATE 1605NA827

MikroTik CERTIFIED WIRELESS ENGINEER 1611WE075

 

Андрей

Системный администратор

Кропивницький

50 років

повна зайнятість

Оновлено 5 років тому