Site Reliability Engineer

Site Reliability Engineer (Cloud & Automation) - London - 2 Days on Site per week.

A leading global financial services organisation is seeking a Site Reliability Engineer (SRE) to drive reliability, automation, and performance across its cloud-hosted platforms.

The Opportunity

This role sits within a high-performing Platform Operations function, acting as a central point of expertise for SRE methodologies and automation. You will play a key role in improving system resilience, scalability, and operational excellence across a complex, regulated environment.

Key Responsibilities

Lead the implementation of SRE best practices across cloud infrastructure

Drive improvements in observability, alerting, and capacity planning (SLA / SLO / SLI)

Identify and reduce operational toil through automation and remediation frameworks

Build and enhance GitOps and Infrastructure-as-Code capabilities (e.g. Terraform, Ansible)

Develop and review production-grade code to support automation initiatives

Support incident management and on-call processes, ensuring production stability

Contribute to post-incident reviews, embedding SRE principles to reduce risk

Requirements

Demonstrable experience in SRE or infrastructure operations within cloud environments (AWS / GCP)

Strong scripting skills (Python, Ansible, or PowerShell)

Experience with Infrastructure as Code and GitOps methodologies

Hands-on knowledge of observability / APM tools (e.g. Grafana, Datadog, Dynatrace)

Proven experience managing incidents, root cause analysis, and on-call support

Understanding of SLA/SLO/SLI frameworks and reliability engineering principles

Desirable

Background in software development

Experience working within regulated financial services environments

Familiarity with ITIL and enterprise service management frameworks

Relevant certifications (e.g. AWS, Terraform)

Why Apply

Opportunity to shape cloud reliability strategy in a large-scale environment

Work with modern tooling across automation, DevOps, and SRE practices

Strong emphasis on engineering excellence and continuous improvement

Competitive compensation and long-term career progression

To find out more about Huxley, please visit

Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales