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