Looking for someone to help maintain a number of servers in a primarily CentOS Xen environment. This is a simple and straight-forward task for anyone already familiar with configuring and maintaining servers in a LAMP environment. These servers are variously running Apache Servers, a Zimbra server, an Asterisk server and use PHP/MySQL/Perl. We are using Iptables for Firewalls and a mixed Sendmail/Postfix email environment. Additionally, experience with Solaris, FreeBSD are a plus....