Site Reliability Engineer

St Louis, MO, USFull-time2026-11-02 → 2026-11-09

Core

Maintain SLOs, design automation for AWS/Azure, and partner with dev teams to improve reliability and release velocity for critical shared services.

Role type

Senior Site Reliability Engineer (IC)

Builds

Cloud-hosted systems on AWS and Azure

Domain

Financial markets infrastructure / Multi-cloud

Required skills

Scripting (Shell, Python), Infrastructure as Code (Terraform), AWS services, Azure services, Docker, Kubernetes, CI/CD pipelines, Git, Observability tools

Preferred skills

AWS Well-Architected Framework, Azure Architecture Center, Cloud security guidelines, Cloud-native databases, DevOps concepts

Technologies

AWS (EC2, S3, RDS, IAM, VPC, Lambda), Azure, Terraform, Datadog, AWS CloudWatch, Azure Monitor, Docker, Kubernetes, Git

Responsibilities

Maintain Service Level Objectives (SLOs) for cloud-hosted systems; Design and implement automation for AWS and Azure environments; Partner with development teams to improve reliability and release velocity; Participate in on-call rotations, incident response, and postmortems; Enable cloud migration via architectural reviews and observability configuration.

Seniority

Senior, hands-on IC

About London Stock Exchange Group

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, handle risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehens