Postfix, HTTP e reverse proxy (Apache/Ngix/Varnish), DNS, Squid, MySQL, PostgreSQL, SqlServer, Tomcat, Jboss, Network Management (Cacti, Nagios, Zabbix), Radius Authentication Server e LDAP, NAS, Log Server, NFS, Wireless Networks.
Deploying Cluster RH LoadBalance Linux, virtualization with VMware, XenServer. High Availability in Windows servers, DFS.
Specialties: Linux servers and Windows Server 2000 - 2003, 2008 e 2012.