# Senior Engineer in Site Reliability

**Company**: London Stock Exchange Group (LSEG)
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Finance

**Apply**: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/St-Louis-Missouri/Site-Reliability-Engineer_R0121776-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_1f89ac08-7ab

## Description

We are evolving our Reliability Engineering team to move beyond support and operations. As a Senior Engineer in Site Reliability, you will be part of a diverse and inclusive organization that has full ownership of the availability, performance, and scalability of one of the most critical shared services at LSEG.

You will:

- Maintain Service Level Objectives (SLOs) for cloud-hosted systems, continuously measuring and improving availability, latency, and overall system health.

- Design and implement automation for AWS and Azure environments to scale systems sustainably, prevent service issues, and enable rapid recovery.

- Partner with development teams to improve reliability, observability, and release velocity using cloud-native tools and guidelines.

- Participate in on-call rotations, incident response, postmortems, and root cause analysis.

- Advocate for strong engineering practices for building, deploying, and running scalable, reliable services across AWS and Azure.

- Enable cloud migration by performing architectural reviews, operational readiness testing, and configuring observability dashboards (e.g., Datadog integrated with AWS CloudWatch and Azure Monitor).

- Drive continuous learning and development in multi-cloud technologies.

Requirements:

- Bachelor's degree or equivalent experience in Computer Science or related technical field.

- Proficiency in scripting languages (Shell, Python).

- Experience maintaining Infrastructure as Code (IaC) using Terraform (or AWS CloudFormation, Azure ARM templates).

- Hands-on experience with AWS services (EC2, S3, RDS, IAM, VPC, Lambda) and familiarity with Azure equivalents.

- Knowledge of Docker and Kubernetes (EKS or AKS preferred).

- Familiarity with observability tools like Datadog, AWS CloudWatch, or Azure Monitor.

- Implement and maintain CI/CD pipelines (AWS CodePipeline, Azure DevOps, or similar).

- Incident response and blameless postmortems.

- Proficient in Git workflows.

Benefits:

- Healthcare

- Retirement planning

- Paid volunteering days

- Wellbeing initiatives

## Skills

### Required
- Python
- Shell
- Terraform
- AWS
- Azure
- Docker
- Kubernetes
- Datadog
- AWS CloudWatch
- Azure Monitor
- CI/CD pipelines
- Git

### Nice to have
- AWS Well-Architected Framework
- Azure Architecture Center
- cloud security guidelines
- cloud-native databases
- DevOps concepts

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Source: [Apply at lseg.wd3.myworkdayjobs.com](https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/St-Louis-Missouri/Site-Reliability-Engineer_R0121776-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)