Systems Administrator

We're on the look-out for an ambitious and enthusiastic Systems Administrator to enhance our dynamic and growing team. Our systems are predominantly Linux-based but knowledge of and a willingness to work with Windows will be an advantage. Our ideal candidate is self-motivated and an easy-going team player. You must thrive in a fast-paced, start-up type environment and be able to ensure delivery of reliable systems to tight deadlines.

Responsibilities:

  • Helping to ensure the reliable operation of our production websites
  • Provisioning new servers, virtual machines and networking as required
  • Provisioning and rebuilding of development and test environments
  • Improving the efficiency of operations through automation.
  • Supporting development and QA departments in developing the DevOps role
  • Deployment and design of production environments
  • Supporting integration with partner websites and services
  • Add and refine logging, monitoring and alerting to our systems.
  • On-call rota for the main sites and applications

Requirements:

  • 3+ year’s equivalent commercial experience of Linux systems administration.
  • Automation and orchestration skills using Puppet or similar
  • Knowledge of Linux, including configuration and performance tuning (CentOS preferred)
  • Skilled with Linux kernel, tools, security procedures, debugging networking & application issues. (rpmbuild, strace, netstat, jstack, jmap)
  • Ability to script in a standard shell and at least one interpreted language (e.g. Perl/Python/Ruby)

Nice-to-haves:

  • Experience using MySQL in a high-availability environment.
  • Configuration and deployment of Nginx & PHP-FPM.
  • Configuration of message queuing software, preferably ActiveMQ
  • Configuration and management of enterprise firewall and networking equipment
  • Strong CI experience using Jenkins
  • Familiarity with Mercurial or git version control systems
  • Experience with Application Monitoring such as New Relic or Appdynamics
  • Experience of Icinga2 or a similar server monitoring system
  • Experience using Agile methodologies
  • Experience of RPM packaging and unattended installations.
  • Experience working in high transaction environment
  • Experience with server virtualization; knowledge of Xen & KVM.
  • Docker Experience

 

 

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