Senior Site Reliability Engineer

JR United Kingdom; City Of London; On-site; GBP 68,000 - 80,000; Full time

Job summary

A leading company in the tech industry is looking for a Senior Site Reliability Engineer to enhance their London operations. The role involves ensuring service reliability, automating infrastructure, and collaborating with various teams to achieve optimal system performance. Ideal candidates will have significant experience with cloud platforms, container orchestration technologies, and a solid understanding of infrastructure automation principles.

Qualifications

• 8+ years in SRE, DevOps, or related fields.
• Strong AWS experience and Kubernetes proficiency.
• Solid background in monitoring and logging tools.

Responsibilities

• Design and maintain scalable systems and services.
• Automate tasks to improve system health.
• Collaborate on deployment and performance tuning.

Skills

Cloud Platforms

Container Orchestration

Monitoring Tools

Infrastructure Automation

Networking

Scripting

Education

Bachelor’s degree in Computer Science or Engineering

Tools

AWS

Kubernetes

Docker

Terraform

Jenkins

GitLab CI

PostgreSQL

Redis

Job description

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Senior Site Reliability Engineer, london (city of london)

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Client:

Cipher7

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

Job Title: Senior Site Reliability Engineer (SRE)

Location: London, UK – Onsite (5 days/week)

Employment Type: Permanent

Salary: Up to £80,000 per annum (Gross)

About the Role:

We are seeking a highly skilled and motivated Site Reliability Engineer (SRE) to join our London-based team. This role is ideal for someone passionate about service reliability, scalability, and performance. As an SRE, you will collaborate with development and operations teams to automate infrastructure, enhance observability, and reduce manual processes (TOIL) to improve overall system health.

Key Responsibilities:

• Design, build, and maintain scalable, resilient systems and services.
• Automate routine tasks and eliminate manual effort using scripting and infrastructure-as-code.
• Collaborate with development teams to ensure best practices for deployment, monitoring, and performance tuning.
• Drive incident management processes, root cause analysis, and continuous improvement of system reliability.
• Maintain and improve observability using monitoring and logging tools.
• Optimize cloud infrastructure usage and costs.

Primary Skills & Experience:

• Strong hands-on experience with cloud platforms, especially AWS (experience with GCP or Azure is a plus).
• Deep understanding of Container Orchestration technologies such as Kubernetes and Docker.
• Proficiency in monitoring and logging tools including: Datadog, Splunk, Dynatrace, AppDynamics, Prometheus, Grafana, ELK Stack, CloudWatch, Gremlin, ThousandEyes.
• Experience with Terraform, Jenkins, GitLab CI, PostgreSQL, Redis, and Kong API Gateway.
• Solid understanding of networking, security best practices, and infrastructure automation.
• Exposure to AWS ECS, Atlas, and internal tooling integrations.
• Diagramming and documentation skills using Lucidchart and PlantUML.

Secondary Skills:

• Familiarity with ServiceNow (SNOW) and JIRA for incident and task tracking.
• Competency in Shell scripting, Linux system administration, Bitbucket, and Akamai.
• Experience working within DevOps pipelines and CI/CD frameworks.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience).
• 8+ years of relevant experience in SRE, DevOps, or Infrastructure Engineering roles.