Lead DevOps Engineer - Real Time Platform

About Us

LSEG (London Stock Exchange Group) is a global financial markets infrastructure and data provider, operating in 70 countries with 25,000 people worldwide.

Role Summary

FTSE Russell (LSEG) is building a real‑time platform that powers global index calculation. We’re looking for a Lead DevOps Engineer to design, secure, and operate the cloud infrastructure that keeps this platform always on — supporting low‑latency, real‑time workloads at global scale.

What You’ll Do

• Design and operate cloud infrastructure on AWS to support low‑latency, always‑on real‑time workloads.
• Own infrastructure as code and platform architecture, ensuring secure, scalable, and reproducible environments.
• Embed security and resilience by design, including IAM, network controls, encryption, and failover strategies.
• Build observability and operational excellence, enabling fast detection and resolution of incidents.
• Enable safe, fast delivery through CI/CD and automation, partnering closely with engineering teams.

Tech Stack

• Infrastructure as Code: Terraform, AWS CloudFormation, AWS CDK.
• Cloud: AWS Lambda, API Gateway, S3, SQS, SNS, Aurora, VPC, IAM, CloudFront, WAF, etc.
• CI/CD: GitLab CI, Terraform, AWS CLI.
• Observability: CloudWatch, Datadog, OpenTelemetry.
• Languages: Python, Bash, TypeScript.
• AI Development: Agentic AI tooling such as GitHub Copilot, Claude Code.

What You’ll Bring

• Strong experience designing and operating cloud‑native infrastructure on AWS.
• Deep expertise in infrastructure as code (Terraform) at scale.
• Proven ability to build and run resilient, highly available systems.
• Strong understanding of cloud security principles with hands‑on implementation.
• Experience with observability and incident response in production systems.
• Ability to lead through technical standards and delivery, not just tooling.

Nice to Have

• Experience supporting low‑latency or real‑time systems.
• Exposure to financial services or market data platforms.
• Practical experience with AI‑assisted engineering workflows.

Equal Opportunity

We are proud to be an equal opportunities employer. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, gender identity or expression, age, marital status, veteran status, pregnancy, or disability, or any other basis protected under applicable law.