Andrey Gripasev

Extension of the company`s information structure and implementation of new services. Maintenance of servers under control of Windows, Linux and FreeBSD. Providing information security Introduction a system of remote virtual desktops. Composing scripts (balancer of an Internet channel, backup scripts of virtual machines etc.) Implementation the virtualization (e.g. Hyper-v, KVM)

Supporting dedicated servers under FreeBSD. These servers are intended for hosting websites. Tuning complex of nginx+php-fpm + accelerator + directadmin + exim + dovecot + mysql for high-loaded projects. Monitoring servers (RRD, nagios, monit). Exercising control of access to servers (ftp, ssh), providing safety of servers (jail, ClamAv configured pf). Configuring backup sustem (ZFS, rdiff-backup, rsync). Supporting the DNS servers (bind). I was also responsible for consulting “problem” clients.

Organization of work of IT of department, created failure-safe IT system (~150 units). Managing information security. Reducing the cost of communication by application of integration IP telephony system (asterisk), and analog telephony and GSM gateways. Creation distributed network of separate workplaces (40 sales managers in Chelyabinsk region). Configuring servers: - windows 2003 and windows 2008 - linux (centOS) - asterisk - FreeBSD - squid + ClamAv + FTP + ipfw

• Creating a helpdesk system. • Network administration (~ 50 workstations). • I organized the distributed database of several branches. • Servicing of a database (oracle). • Consulting of system administrators of remote branches. • Administration of Linux and windows servers.

• Technical supporting. • Samsung telephony system – configuration and administration. • Network administration (~ 100 windows xp workstations). • Servicing of the trade equipment. • Administration of Linux and windows servers.