Working Linux systems architect in a medium sized danish hosting, operating shared hosting platforms with 60k+ customers, designing and building customer server platforms. And of course, always trying to figure out sneaky ways of doing things.
Despite my relatively young age, I have been interested in *nix on server platforms since the age of 13, and I started out with Red Hat 7 (not RHEL).
PowerDNS, Apache, Nginx, Dovecot, PHP, Debian, RHEL, CentOS, MySQL, Nagios, Postfix, IPv6, LVM, OpenVZ
SLES, Ubuntu, bash, BIND
Solaris, perl, sendmail