Linux System Administrator

4 weeks ago


Wales, United Kingdom Sadler Recruitment Full time

Role: Linux Systems Administrator


Salary: £55,000 per annum


Location: UK based (fully remote working)


The role


We are looking for a Linux System Administrator to build, maintain and support their technical infrastructure services for internal and external SaaS-hosted clients.


This role reports to the Head of Infrastructure and has the following core activities: -

  • Provision of infrastructure solutions to support technical software delivery and operations teams.
  • Monitoring all internal and production systems, ensuring stability, performance and capacity management, and recommending improvements/efficiencies wherever necessary


Key Information


  • The company have approximately 300 Linux boxes
  • They are looking to move away from Centos and move to Ubuntu
  • They want to make the infrastructure defined, consistent and repeatable – they are putting effort into automation config and templating what an environment should look like.
  • This is not a traditional Sys Admin role – this role will involve working with configuration/automation tooling.
  • Roadmap projects = security improvements, automate more operational tasks, improve AWS work, improve platform architecture, and manage Kubernetes for the wider group.


Experience needed


  • Ubuntu Linux system administration (ideally have Centos)
  • Security/authentication (HTTPS, 2FA, MTLS, WAF)
  • HAproxy traffic balancing layer4/layer7
  • Encryption technologies
  • Ansible OR other automation deployment/configuration tools


Desirable Skills


  • Open source web stacks (PostgreSQL / Apache / NGINX / ETCD)
  • Git & CI/CD
  • Docker Swarm


The company


Our client is an international software company trusted by the world's leading brands in Financial Services, Telecoms and Utilities, to streamline complex customer journeys into effortless experiences. Our client digitises, automates, and accelerates customer-facing journeys from beginning to end.


Job Information


We will be reviewing applications and interviewing candidates on an ongoing basis and encourage you to submit your application early. We reserve the right to close this vacancy once a successful candidate is appointed. We may close this vacancy earlier than the deadline as applications are being reviewed regularly throughout the advertised period and interviews may take place for suitable candidates



For immediate consideration please send your CV today



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