Site Reliability Engineer

Overview

Fuel Recruitment is working with a leading technology organisation that is expanding its infrastructure and automation capability. They are looking for a Site Reliability Engineer to help design, deploy and optimise secure, resilient platforms across internal and customer environments. The role is focused on automation, observability and taking new solutions from proof‑of‑concept through to full production. This position is offered on a hybrid basis, with three days per week on-site.

• Deliver, upgrade and maintain core platforms, systems and automation.
• Develop and support monitoring and management tooling to ensure strong observability.
• Collaborate with engineers, developers and operations teams to design and harden resilient platforms.
• Architect, design and deploy proof‑of‑concepts and introduce new technologies into production.
• Conduct security risk and vulnerability assessments, ensuring systems are hardened and compliant.
• Build and maintain automation tooling using modern SRE and Dev Ops practices.
• Diagnose and resolve performance issues across Linux, containers, IaC and related technologies.
• Produce and maintain high‑quality documentation and support the wider team.

• Strong Linux and Windows OS administration experience (e.g., Ubuntu).
• Scripting capability in Bash, Python, PHP or Power Shell.
• Experience with automation and IaC tools such as Ansible, Terraform, CI/CD pipelines and Git.
• Experience working with Azure or similar cloud environments.
• Understanding of Desired State Configuration and broader IaC principles.
• Excellent analytical and problem‑solving skills.
• Ability to work across multiple concurrent projects in a fast‑paced environment.

• Experience with IaC development life cycles and best practices.
• Awareness of security best practices and secure configuration.
• DSC/Ansible, ARM Templates or Terraform experience.
• Linux (RHEL/CentOS/Ubuntu) and Windows Server (2019/2022).
• Experience with COTS installation, configuration and automation.
• Docker/Podman and Kubernetes or Swarm orchestration.
• Git Lab, JIRA and Azure/Azure Stack Hub.
• Monitoring tools such as Nagios or Splunk.
• Strong documentation skills (e.g., Confluence).
• Experience supporting large‑scale platforms and advocating SRE/Dev Ops principles.
• Understanding of Agile working practices.
• Ability to collaborate effectively with project managers, support teams and customers.

Due to the nature of the work, candidates must be UK sole nationals and eligible to obtain UK Security Clearance.

• Job Title:
  
  Site Reliability Engineer
• Company:
  Fuel Recruitment Limited
• Location:
  
  Southampton, Hampshire
• Posted:
  Feb 3rd 2026
• Closes:
  Mar 6th 2026
• Sector: IT
• Contract:
  
  Permanent
• Hours:
  
  Full Time