Solid experience in deployment, management and troubleshooting of infrastructure services in Linux-based networks, including: high-availability clusters, file servers, ISC BIND DNS, ISC DHCP, NFS, OpenLDAP, Postfix, sendmail, Cyrus Imap , Apache web server, iptables firewalls, proxy Squid, Nginx, FTP servers, antispam open source, VMware, zVM, zLinux, integration between Microsoft and Linux and experience in training.