Site Reliability Engineer Jobs

Engineers who ensure cloud services are reliable, scalable, and efficient. A critical role in maintaining uptime and performance in cloud environments.

Open roles
16
Salary range
£46k – £100k
Hiring companies
10

Site Reliability Engineers (SREs) are the backbone of cloud operations, ensuring that applications and services run smoothly and efficiently. They work closely with development teams to build and maintain robust, scalable systems that can handle high traffic and complex workloads. SREs are in high demand across a range of industries, from tech startups to large enterprises, and their role is crucial in maintaining the reliability and performance of cloud-based applications.

What the role does

Inside the role of a Site Reliability Engineer

A typical week for an SRE is a mix of proactive system maintenance, incident response, and collaboration with development teams.

  1. 01
    Monitor system performance and health metrics.
  2. 02
    Respond to and resolve incidents and outages.
  3. 03
    Implement and optimise automation scripts and tools.
  4. 04
    Collaborate with developers on system design and improvements.
  5. 05
    Conduct post-incident reviews and document findings.
  6. 06
    Participate in on-call rotations and provide 24/7 support when needed.
Salary on the board

£46k – £100k

Based on advertised midpoints across the 88 UK listings priced in pounds in the last 12 months. Base salary only.

Salary visibility
47% of listings advertise a salary — up from 0% the year before.
By seniority
£k base
Mid
44
92
19 jobs
Senior
60
95
23 jobs
Lead
64
100
21 jobs
Skills & tools

What hiring managers ask for

% of 57 listings posted in the last 12 months that mention each skill, extracted from job descriptions.

Terraform
68%
CI/CD
63%
Python
54%
AWS
51%
Linux
44%
Observability
42%
Azure
40%
Kubernetes
39%
Grafana
37%
Prometheus
37%
Automation
33%
Monitoring
32%
Career ladder

From Junior to Principal

A typical UK progression for site reliability engineers. Years are guidance — strong people move faster, and many senior folks sidestep into research, product or management.

  1. Level 1

    Junior Site Reliability Engineer

    0–2 yrs

    Assist in monitoring and maintaining cloud infrastructure, with a focus on learning and supporting more experienced team members.

  2. Level 2

    Site Reliability Engineer

    2–5 yrs

    Own the reliability and performance of specific systems, implementing automation and optimisation strategies.

  3. Level 3

    Senior Site Reliability Engineer

    5–8 yrs

    Lead the design and implementation of complex cloud architectures, mentor junior engineers, and drive reliability initiatives.

  4. Level 4

    Principal Site Reliability Engineer

    8+ yrs

    Strategise and oversee the reliability and scalability of the entire cloud infrastructure, influencing company-wide practices and policies.

Pathway

How to become a Site Reliability Engineer

There's no single route, but most people follow some version of these steps.

  1. 1

    Learn the Basics

    Start with foundational knowledge in cloud platforms, scripting, and system administration.

  2. 2

    Gain Practical Experience

    Work on real-world projects, contributing to monitoring, automation, and incident response.

  3. 3

    Specialise in SRE Practices

    Deepen your expertise in reliability engineering, including capacity planning and disaster recovery.

  4. 4

    Lead Projects and Teams

    Take on leadership roles, managing teams and driving large-scale reliability initiatives.

  5. 5

    Influence Company Strategy

    Shape the company's cloud strategy and best practices, contributing to long-term reliability and efficiency.

Live jobs

16 live roles

See all 16 roles →

Site Reliability Engineer

This role involves designing, building, and maintaining resilient and scalable infrastructure, automating processes, and improving monitoring and logging systems. You will work closely with engineers and stakeholders to solve complex challenges and contribute to the continuous improvement of technical practices.

Twinstream Limited Montpellier, Gloucestershire, GL50 1SD, United Kingdom £75,000 – £95,000 pa

Site Reliability Engineer

This role involves ensuring the reliability, scalability, and performance of large-scale production platforms through proactive monitoring, incident response, and automation. The engineer will work closely with development and DevOps teams to improve system resilience, implement Infrastructure as Code, and support global platform scalability. Key responsibilities include on-call incident management, root cause analysis, and driving improvements in availability and security using Kubernetes and Azure.

Bristow Holland Ltd London, United Kingdom £55,000 – £60,000 pa

Site Reliability Engineer

This role involves ensuring the reliability, scalability, and performance of large-scale production systems through proactive monitoring, incident response, and automation. The engineer will use Kubernetes and Azure to build and manage cloud infrastructure, implement Infrastructure as Code with Terraform, and collaborate closely with development teams to balance feature delivery with system stability. Participation in an on-call rota supports rapid response to production issues, while ongoing improvements focus on reducing manual work and enhancing platform resilience.

Bristow Holland Ltd Edinburgh, Alba / Scotland, United Kingdom £55,000 – £60,000 pa
CrowdStrike logo

Site Reliability Engineer II , London)

This role involves ensuring the reliability and performance of CrowdStrike's large-scale distributed systems, with a focus on automation, incident response, and operational excellence. The engineer will work across the full stack, troubleshooting hardware and software issues, optimizing system performance, and contributing to platform availability and capacity planning. A strong emphasis is placed on learning, innovation, and using AI to enhance operational workflows.

CrowdStrike United Kingdom
Remote

Site Reliability Engineer - SC Cleared

This role involves working on high-impact, mission-critical projects for Defence and National Security clients. You will be responsible for ensuring the reliability and performance of complex systems, using your expertise in software development, cloud infrastructure, and system monitoring.

Searchability NS&D Gloucestershire, United Kingdom £40,000 – £65,000 pa
Hybrid Permanent Clearance Required

Site Reliability / Software Engineer - SC Cleared

This role involves developing and maintaining secure, scalable software systems while also ensuring high reliability through SRE and DevOps practices. You'll work across the full software lifecycle, contributing to backend services in Java and Python, frontend components in JavaScript/TypeScript, and automating CI/CD and operational workflows. The position supports mission-critical systems in a regulated environment, with a strong focus on monitoring, observability, and performance optimization.

Searchability NS&D Gloucestershire, United Kingdom £45,000 – £65,000 pa
Hybrid Permanent Clearance Required

Senior Site Reliability Engineer

This role involves ensuring the reliability, scalability, and performance of critical banking systems through hands-on SRE engineering and technical leadership. The engineer will build automated, observable infrastructure, lead incident resolution and root cause analysis, and drive SRE best practices across teams. Emphasis is placed on cloud platforms, infrastructure-as-code, and continuous optimisation within a hybrid working environment.

GCS Glasgow, City Of Glasgow, G2 1AL, United Kingdom £75,000 – £95,000 pa

Senior Site Reliability Engineer

Senior Site Reliability Engineer (AWS CDK)Remote UK£65,000 - £75,000 | Sponsorship available in some circumstancesVIQU have partnered with a leading UK technology organisation undergoing significant investment in its cloud platform and engineering capability. As they continue to scale, they are...

VIQU IT Morley, West Yorkshire, United Kingdom £65,000 – £75,000 pa
Hiring locations

Where this role is hiring

The locations with the most live listings for this role today.

FAQs

Common questions

  • Essential skills include strong knowledge of cloud platforms, scripting, system administration, and automation tools. Familiarity with monitoring and incident response is also crucial.

  • SREs collaborate closely with developers to ensure that applications are designed for reliability and scalability. They provide feedback on system design and help implement automation and monitoring solutions.

  • SREs often work in fast-paced, collaborative environments. They may be part of on-call rotations and need to be available to respond to incidents at any time.

  • Advancement involves gaining experience, specialising in advanced SRE practices, and taking on leadership roles. Continuous learning and staying updated with the latest cloud technologies are also important.

  • Salary ranges can vary widely based on experience, location, and company size. For more detailed information, please refer to the salary section on this page.

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