Senior Tech Lead - Site Reliability & Cloud Resilience

London Stock Exchange Group; Nottingham; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Equity

Annual bonus

Medical insurance

Dental insurance

Vision coverage

Retirement planning

Volunteer days

Wellbeing programs

Job summary

London Stock Exchange Group in Nottingham seeks a Tech Lead for Site Reliability Engineering to own reliability for risk screening platforms across the EMEA region. You will lead 24x7 operations, drive SLOs/SLIs, and mentor a growing SRE team in a cloud-native environment.

The role requires 8+ years in production ops/SRE/DevOps with 3+ years of people leadership, strong cloud experience (Azure/AWS), and expertise in Kubernetes, Terraform, and observability tooling.

Qualifications

• 8+ years in production operations, SRE, or DevOps roles with at least 3+ years in people management
• Experience managing cloud-native services on Azure and AWS
• Strong understanding of SRE principles (SLOs, SLIs, error budgets, incident response)
• Hands-on experience with container orchestration (Kubernetes, Docker)
• Proficiency in CI/CD pipelines and infrastructure-as-code tools (Terraform, GitHub Actions, Jenkins)
• Familiarity with observability platforms (Datadog, BigPanda, OpenTelemetry)
• Experience working with identity platforms and/or fraud detection systems
• Excellent communication and stakeholder management skills
• Strong analytical mindset with focus on measurable outcomes and continuous improvement

Responsibilities

• Technical Ownership for Identity & Fraud Platforms Lead
• 24×7 reliability operations for Screening services, ensuring uptime, performance, and compliance across WC1 and World Check verify Applications
• Define and implement SLOs, SLIs, and error budgets; maintain reliability scorecards and drive improvements through engineering backlogs
• Act as Major Incident Commander during critical outages; lead blameless post-incident reviews and ensure learnings are institutionalized
• Drive automation-first mindset across incident response, deployment, compliance, and observability
• Collaborate with product and engineering teams to embed non-functional requirements and secure-by-design principles into delivery pipelines
• Co-own cloud reliability roadmap with platform teams; standardize tooling for observability, ITSM, and incident communication
• Ensure DR readiness, runbook quality, and resilience patterns are consistently applied across services
• People Leadership – Lead and mentor a team of SRE engineers, fostering a culture of ownership, learning, and engineering excellence. Drive career development, performance management, and technical capability growth across the team. Collaborate with HR and Talent teams to build local hiring pipelines and support workforce planning. Promote well-being and psychological safety within the team; ensure compliance with health and safety standards. Represent Nottingham site in global SRE forums; contribute to offshore strategy and location planning. Partner with vendors and staffing partners to manage workforce augmentation and ensure delivery quality. Support BCP/DR planning and ensure site-level operational readiness for critical events.

Skills

Cloud experience

Azure

AWS

SRE principles

Kubernetes

Docker

Terraform

GitHub Actions

Jenkins

Datadog

OpenTelemetry

BigPanda

Identity platforms

Fraud detection

CI/CD

Stakeholder management

Analytical mindset

Job description

London Stock Exchange Group in Nottingham seeks a Tech Lead for Site Reliability Engineering to own reliability for risk screening platforms across the EMEA region. You will lead 24x7 operations, drive SLOs/SLIs, and mentor a growing SRE team in a cloud-native environment.

The role requires 8+ years in production ops/SRE/DevOps with 3+ years of people leadership, strong cloud experience (Azure/AWS), and expertise in Kubernetes, Terraform, and observability tooling.