Systems administrator (Linux, Solaris) .. Occassional web master & developer.
OS (Debian/Ubuntu, RHEL/Centos/Scientific Linux); Automation (Puppet, Cobbler, mCollective, Monit); Monitoring (Nagios, Zabbix, Zennos); Databases (MySQL, PostgreSQL); Java (Tomcat, RabbitMQ); Web Servers (Apache, Nginx, HAProxy, Varnish); PHP (Drupal, sometimes wordpress & modx); Python (Django, zope/plone); Ruby (RefineryCMS, Rails, Sprinkler)