Main Purpose of Job

To provide system administration services to my client’s business with an emphasis on Linux systems and networking.

Main Tasks of Job

• Installation and configuration of new systems (Linux servers, NAS, networking) for both customer facing and internal use.
• Investigation of performance issues, proposal and implementation of solutions as needed
• Management of network topology and future expansion (we have an extensive private communications network across Europe).
• Management of system backups and other regular automated tasks
• Understanding of likely points of failure and responding to problems efficiently.
• Understanding of security issues.

Essential skills for this job:

• Excellent UNIX/Linux fundamentals (shell, coreutils, kernel).
• Network configuration and troubleshooting using open source tools.
• Fluency with either RHEL or Debian GNU/Linux (or derivatives such as CentOS and Ubuntu).
• Able to deploy and troubleshoot Apache, SAMBA, MTAs, ftp servers, Linux firewalls, NFS clients and servers.
• Ability to write non-trivial management scripts
• Ability to mutli-task, plan and prioritize work and function effectively under pressure.
• Clear written and verbal communication.

Desirable:

• Scripting experience with an open source language such as Perl or Python (ideally Perl).
• Able to deploy and troubleshoot MySQL and LVS/Haproxy.
• Exim4, MailScanner, Bind, NIS
• OpenVPN, Linux IPSEC, non-open source VPN solutions.
• Nagios server and RRD configuration.
• Xen Server
• Deployment and use of SVN or Git
• Experience of Administering a Google Apps domain using the API.
• Isilon NAS
• Amazon AWS administration and monitoring
• Understanding of PCI DSS

This role is based 5 minutes walk from Paddington Station in London.

The package for this role is £35,000 + 5% bonus + benefits.