Site Reliability Engineer

LSEG (London Stock Exchange Group)

Site Reliability Engineer optimizing cloud-hosted systems for LSEG. Responsible for system availability and performance using AWS and Azure tools.

Posted 7/22/2026full-timeSt. Louis • Montana • 🇺🇸 United StatesJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in maintaining Service Level Objectives (SLOs) for cloud-hosted systems, with a strong focus on automation, reliability, and observability across AWS and Azure environments. Proficient in Infrastructure as Code (IaC) practices and incident response methodologies to ensure scalable and reliable service delivery.

Highest-signal resume keywords

AWS Services (EC2, S3, RDS, IAM, VPC, Lambda)Infrastructure as Code (IaC) Using TerraformScripting Languages (Shell, Python)CI/CD Pipeline Implementation (AWS CodePipeline, Azure DevOps)Docker and Kubernetes (EKS or AKS)

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Hard Skills

AWS ServicesAzure ServicesInfrastructure as Code (IaC)Scripting LanguagesCI/CD PipelinesDockerKubernetesGit WorkflowsObservability ToolsIncident Response

Soft Skills

CollaborationProblem-SolvingContinuous Learning

Tools & Technologies

TerraformAWS CloudFormationAzure ARM TemplatesDatadogAWS CloudWatchAzure Monitor

Industry Keywords

Service Level Objectives (SLOs)Cloud MigrationOperational Readiness TestingPostmortemsRoot Cause Analysis

Tech Stack

Tools & technologies

AWSAzureCloudDockerEC2KubernetesPythonTerraform

About the role

Key responsibilities & impact

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

What you’ll need

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.
2-5 years of proven experience.

Benefits

Comp & perks

healthcare
retirement planning
paid volunteering days
wellbeing initiatives