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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
13
Salary range
£46k – £100k
Hiring companies
10
View 13 live roles → Get an alert

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 94 UK listings priced in pounds in the last 12 months. Base salary only.

Salary visibility
51% of listings advertise a salary — up from 0% the year before.
By seniority
£k base
Mid
44
93
18 jobs
Senior
60
95
25 jobs
Lead
64
100
23 jobs
Skills & tools

What hiring managers ask for

% of 56 listings posted in the last 12 months that mention each skill, extracted from job descriptions.

Terraform
70%
CI/CD
63%
Python
54%
AWS
50%
Linux
43%
Observability
43%
Kubernetes
39%
Azure
39%
Grafana
38%
Prometheus
38%
Automation
34%
Monitoring
30%
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

13 live roles

See all 13 roles →

Site Reliability Engineer

This role involves designing and scaling a unified observability platform for critical aerospace and space missions, including satellite constellations and deep-space communications. You will lead monitoring, alerting, and incident response, and collaborate with engineering and infrastructure teams to ensure high reliability and continuous improvement.

The Business Connection London, United Kingdom £130,000 – £150,000 pa

Site Reliability Engineer

This role involves managing and maintaining production databases, providing multi-level support for full-stack applications, and administering Linux and Windows virtual machines. The engineer will also focus on automation, ETL processes, and maintaining compliance with operational standards.

JAM Recruitment London, United Kingdom £700 – £750 pd

Site Reliability Engineer

This role involves working across software engineering, observability, automation, and incident management to improve the reliability and performance of a large-scale production environment. Key responsibilities include writing code, developing tools, establishing proactive monitoring, and using AI tools for productivity and system health.

BIOMETRIC TALENT Manchester, United Kingdom £40,000 – £65,000 pa

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 / EU based) - Chinese Speakers

As a Site Reliability Engineer, you will maintain and optimize cloud infrastructure, ensuring system reliability and performance. You'll monitor production environments, manage observability tools, and support incident response, while collaborating with engineering teams to drive operational excellence.

TrueWatch Dublin, City Of Dublin, Ireland £77,691 – £86,324 pa
Remote

Site Reliability Engineer - AWS

This role involves overseeing the production environment, ensuring system availability, and maintaining the health of the platform. You will develop tools to streamline infrastructure management, enhance system performance, and provide operational support for large-scale distributed applications. Collaboration with developers and engagement in architectural discussions are key aspects of the role.

Spectrum IT Recruitment London, United Kingdom £60,000 – £70,000 pa

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
Genomics England logo

Principal Site Reliability Engineer (we have office locations in Cambridge, Leeds and London)

As Principal Site Reliability Engineer, you will lead the establishment and growth of Genomics England's SRE capability. Responsibilities include building a team, improving platform reliability, defining standards, and embedding SRE principles across the organization. You will work closely with product and engineering teams to enhance operational resilience and reliability.

Genomics England London, United Kingdom
See all 13 roles →
Hiring locations

Where this role is hiring

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

London

Location
4 open

Manchester

Location
1 open

Southampton

Location
1 open

Milton Keynes

Location
1 open
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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