T

Senior Site Reliability Engineer (SRE) - Cloud & Infrastructure

twinstream United Kingdom
Remote
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AI Summary

Design, maintain, and optimize resilient cloud and infrastructure systems as a Senior Site Reliability Engineer. Collaborate cross-functionally to ensure scalability, security, and reliability while automating processes and improving system performance. Fully remote with potential future onsite requirements in Cheltenham.

Key Highlights
Fully remote role with potential future onsite work (2–3 days/week in Cheltenham)
Eligible for SC and/or DV security clearance
Hands-on influence over technical direction and system improvements
Key Responsibilities
Design and maintain reliable, scalable physical and virtual infrastructure
Monitor system performance and proactively resolve issues
Automate processes using tools like Ansible to improve efficiency and consistency
Collaborate with engineers and stakeholders across the business
Support continuous improvement of systems, tools, and practices
Operate across the full infrastructure stack from bare metal to virtualized deployments and applications
Technical Skills Required
Site Reliability Engineering Cloud Platforms (AWS/Azure/GCP) Infrastructure as Code (Terraform/Ansible)
Benefits & Perks
£75,000 - £95,000 annual salary
Fully remote work (with potential future onsite requirements)
Eligible for SC and/or DV security clearance
Nice to Have
Experience with CI/CD pipelines
Familiarity with monitoring, logging, and alerting systems
Collaborative mindset and passion for problem-solving

Job Description


The Details

Salary: £75,000 - £95,000 DOE

Location: The role is fully remote initially, but we may put you through DV clearance and, once cleared, ask you to work onsite in Cheltenham 2–3 days a week at some point in the future.

Security Clearance: Eligible for SC and/or DV Clearance


The Role

As a Site Reliability Engineer, you’ll play a key role in designing, building, and maintaining resilient systems that support critical operations. You’ll work closely with cross-functional teams to ensure our platforms are scalable, secure, and reliable.

This is a hands-on role where you’ll have the opportunity to influence technical direction, improve system performance, and contribute to meaningful projects.


What You’ll Be Doing

  • Designing and maintaining reliable, scalable physical and virtual infrastructure
  • Monitoring system performance and proactively resolving issues
  • Automating processes using tools such as Ansible to improve efficiency and consistency
  • Collaborating with engineers and stakeholders across the business
  • Supporting continuous improvement of systems, tools, and practices
  • Operating across the full infrastructure stack, from bare metal systems through to virtualised deployments and the applications running within them.


What We’re Looking For

We recognise that no one ticks every box. If your experience aligns with most of the below, we’d love to hear from you:

  • Experience in Site Reliability Engineering, DevOps, or similar roles
  • Strong knowledge of cloud platforms (e.g. AWS, Azure, or GCP)
  • Experience with infrastructure as code and configuration management tools (e.g. Terraform, Ansible)
  • Familiarity with CI/CD pipelines and automation practices
  • Understanding of monitoring, logging, and alerting systems
  • A collaborative mindset and a passion for problem-solving

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