Experience and practice

Here I will describe some of my professional experience, technologies I use and other information worth mentioning (somewhere).

System administration

The main part of my work is related to server support and maintenance.

• Windows based servers
  • Active directory and group policies
  • Exchange
  • Network Policy Server
  • System Center Configuration Manager
  • Intenet Information Services
  • Hyper-V
• Linux based servers
  • Apache, Nginx
  • Haproxy
  • MariaDB, MySQL, MongoDB, Elasticsearch
  • Postfix, Dovecot, Spamassassin
  • Samba
  • iptables traffic management

Network administration

Not a small part of my time is spent with network administration.

• Management of network firewalls and traffic filters
• Management of L2 and L3 switches and routers
• Wireless transmission and local area networks
• Access control - RADIUS, 802.1x, LDAP

IT security

• Virtual private networks (VPN)
• Protecting workstations, servers and services
• Web Application Firewalls

Additional qualification and certificates