Datacenter infrastructure.
Corporate Services
Mailing services
Networking, Security, Load Balancer, Smtp Gateways, Voip (Cisco Call Manager & Asterisk)
Several monitoring Systems, Nagios, Cacti.
Windows&Linux skills.
Content Delivery Network (Akamai, Incapsula, Cloudfront)
Amazon Web Services
Vmware
El Centro de Formación CICE en Madrid (España)