Site Reliability Engineer

As a Site Reliability Engineer, you will shape the stability of the systems behind every click, query and live change.

Full-time

Closes 16/09/2026

Our Site Reliability team protects and improves the availability, performance and resilience of the systems that support our global product. This role combines software engineering, automation and incident response to reduce toil, sharpen observability and strengthen service health across a complex technical estate.

You will work with Open Telemetry, logging, telemetry and automation to surface issues faster and improve operational control. The role also includes using AI tools, LLM platforms and coding assistants to boost productivity, support autonomous operations and improve system insight.

Working across SRE, development and IT Operations, you will help embed reliability throughout the software development lifecycle, lead technical work and share knowledge that lifts standards across the wider engineering community.

This role is eligible for inclusion in the company’s hybrid work from home policy.

Knowledge of modern development practices, including testing, source control and delivery life cycles.

An understanding of SRE principles, including SLIs, SLOs, reliability measurement and incident management.

Hands-on experience with observability tools such as Open Telemetry, Splunk, New Relic, Grafana or Pager Duty.

Proficiency in shell scripting for automation and system management.

Experience with Infrastructure as Code, including Terraform and Ansible.

Knowledge of Cloudflare or a comparable edge platform, including DNS, CDN, WAF, DDoS protection and traffic management.

Ability to troubleshoot distributed systems across edge, network, platform, application, dependency and origin layers.

Experience working in a large-scale, 24/7 enterprise where uptime, performance and stability are critical.

Practical experience using LLM platforms and coding assistants safely to improve productivity, quality and root-cause analysis.

Develop and maintain resilient tools, operational APIs and automation for effective system management.

Use orchestration and scripting to remove manual activity, reduce toil and improve operational consistency.

Write and contribute to code, telemetry and instrumentation that improve service reliability and observability.

Build dashboards and operational views using telemetry from Grafana, Splunk, New Relic and related platforms.

Configure and manage Cloudflare edge services using Infrastructure as Code and integrate edge telemetry with observability platforms.

Diagnose incidents end to end, trace issues from the edge through to origin systems and coordinate effective remediation.

Participate in live incident response, post-mortems and root-cause analysis to prevent recurrence.

Maintain and administer monitoring, alerting, APM and analytics toolsets, including Pager Duty workflows.

Drive initiatives that improve reliability, observability, performance and continuous improvement across teams.

Mentor colleagues, share knowledge and work with IT Operations to deliver tooling that increases business value.

• Eye care and Flu Vaccinations
• Life Assurance

We are a unique global operator with passion and drive to be the best in the industry. Our values form the foundation of culture and shape the unique way that we work. People are our superpower and we support you to be the best you can be.