Expert Professional in Open Source products like GNU/LINUX, Apache, Bind, Samba, Squid, IPTables, O-virt, OpenStack, JBoss, Zabbix, Zimbra, Spacewalk and others. I have more than 8 years of experience. Certificates: RHCSA, RHCSA-OpenStack, RHCE, RHCVA, RHCJA, LPIC-1, IBM-TSM