Working within a team of two, you will be responsible for the day-to-day maintenance of around twenty Linux servers and a small number of Windows servers, in an ISP style environment. The servers perform a variety of functions, including web serving (Apache/PHP), database (MySQL), email (sendmail) and DNS (BIND). In addition, you will also be responsible for maintaining the company's Checkpoint firewalls. The role also includes research and development work, providing new IT systems for the wider company, normally using Open Source software. The successful candidate will have an in-depth knowledge of the Linux operating system together with at least two years experience of systems support in a commercial environment. You will also be well versed in IT Security practises and TCP/IP networking principles. Experience of SuSE Linux, Perl and UNIX shell scripting, network monitoring using Open Source tools such as Nagios, mrtg and ntop, Cisco switch and router configuration and working within the Open Source community would be an advantage.