Head of Site Reliability Engineering (SRE)

United Kingdom·Londonexecutive

OtherSite Reliability Engineering

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Quick Summary

Requirements Summary

Proven experience leading senior SRE teams in 24/7 financial environments, with the ability to influence alignment around shared engineering standards.

Technical Tools

OtherSite Reliability Engineering

Responsibilities

~2 min read

→Establish a multi-year platform and reliability strategy, defining the SRE roadmap and driving engineering standards for observability, automation, and production readiness
→Be a strong business enabler, allowing us to deliver products quickly whilst maintaining standards-compliance and security through well-designed self-service tooling.
→Lead, mentor, and scale a global team of senior SREs, developing technical leaders through coaching and a strong hiring pipeline.
→Architect and manage a secure hybrid infrastructure across GCP, AWS, and on-premise data centers, deploying sensitive components (using Kubernetes and Hashicorp Nomad) with zero-trust principles.
→Own incident response and root-cause analysis, ensuring MTTD/MTTR targets are met while systematically addressing technical debt and legacy system inconsistencies.
→Govern cloud architecture, IaC, networking, and cost management to maintain the organization’s dedication to automated workflows wherever feasible.
→Build strong relationships with departments across the organization to understand requirements and deliver services whilst maintaining our standing with auditors and regulators.

→Leadership & Standards: Proven experience leading senior SRE teams in 24/7 financial environments, with the ability to influence alignment around shared engineering standards.
→Cloud & Orchestration: Deep expertise in GCP and AWS networking/management, alongside hands-on experience with Kubernetes, Nomad, and optimized Terraform workflows.
→Hybrid Infrastructure: Solid background in bare-metal hardware, data center networking, and implementing Cloudflare Zero Trust architectures.
→Systems & Observability: Strong software engineering background with a deep understanding of distributed systems, Linux and approaches to achieving good observability & reliability.
→Execution: Strong judgment in prioritizing reliability, security, and developer productivity while evolving complex, heterogeneous estates rather than just greenfield environments.