Viliam Kocinsky

At my position at Ubimet I'm configuring and maintaining systems which are using: - Ubuntu Linux - CISCO UCS hardware - HPC computing using Mvapich2 and Ifiniband - Intel C and Fortran compilation of weather modeling applications (WRF) - LXC virtualisation - Puppet configuration system - Zabbix monitoring - NetApp data storage system - databases: MySQL, PostgreSQL, MongoDB - Zimbra mail server - Linux workstations - OpenLDAP ...

At my current position as 3th level member of Technical Operation Team I work with following technologies: - Debian GNU / Linux servers and network infrastructure - Virtualisation (VMWare, Xen) - Linux firewall (iptables) - VPN (IPsec with openswan, OpenVPN) - Load balancing (LVS, ldirectord) - High Availability (Corosync, Heartbeat, Pacemaker) - Monitoring (Opsview) - Web servers (Nginx, Apache) - Apache Tomcat and JDK - PostgreSQL database

My role in a company as a member of Operation team is: - designing product infrastructure (OS, database, Apache, Tomcat, High Availability, firewall, VPN, security,...) for the product developed by our company. - installing and configuring servers and infrastructure used for the product. - administering IT services needed by development team as well as the whole company.

- member of the team, which is managing 600 HP-UX and Linux servers - file systems management (creation, extension, adding new SAN disks, distributing configuration to other nodes in clusters) - server crashes investigations, cooperation with HP in troubleshooting, negotiating server downtime and managing replacement of failed parts with HP - users management (adding, removing, standardizing processes and moving some tasks to

4 SLES Linux servers, 1 Windows 2003 server, 20 PC and 10 Laptops.I configured and mantained:- LDAP server- Samba with LDAP- Cyrus IMAP with LDAP- Postfix mail server- Firewall server on SLES 10 using Shorewall. With 2 load balanced links to Internet, OpenVPN and Squid Proxy server.- VPN to company shops with ReanVNC for remote control of PC in shops......