Senior SRE: Scale Resilient AI Platforms & Automation

Relx Plc; Philadelphia (Philadelphia County); Hybrid; USD 95,000 - 159,000; Full time

Job summary

Relx Plc seeks a Senior Site Reliability Engineer to design and operate scalable, resilient platforms powering mission-critical apps. You will lead reliability initiatives, automate toil, and collaborate with engineering teams to boost availability and performance.

You will use observability, incident response, and AI tooling deployment; manage infrastructure with Terraform on AWS, and ensure secure, well-documented handover as squads evolve.

Qualifications

• Advanced Terraform expertise with modules, providers, state management and drift detection.
• Hands-on AWS operations across multi-account, multi-region environments.
• Experience with CI/CD using GitHub Actions and Terraform deployments.
• Knowledge of ECS Fargate, Docker, ECR, health checks, autoscaling and deployments.
• Networking and security in AWS (VPC, Route53, TLS/IAM, KMS).
• Strong incident response, observability, root-cause analysis and runbooks.
• Linux scripting (Bash/Python) for automation and AWS CLI workflows.
• Experience deploying AI tools and services in production with monitoring.
• Ability to enable secure self-service and support multiple teams.

Responsibilities

• Create monitoring queries and establish service level baselines.
• Support incidents and contribute to post-mortems and RCAs.
• Participate in disaster recovery tests and automation efforts.
• Develop deployment workflows and maintain reliable infrastructure topology drawings.
• Document SRE knowledge and support AI tooling deployments in prod.
• Ensure availability, recoverability, and test non-production environments.

Skills

Advanced Terraform

AWS Operations

GitHub Actions

ECS Fargate

AWS Networking

Incident Response

Linux Automation

AI Tooling Deployment

Developer Enablement

Tools

Terraform

AWS

Docker

ECS

ECR

S3

Route53

CloudWatch

GitHub Actions

Job description

Relx Plc seeks a Senior Site Reliability Engineer to design and operate scalable, resilient platforms powering mission-critical apps. You will lead reliability initiatives, automate toil, and collaborate with engineering teams to boost availability and performance.

You will use observability, incident response, and AI tooling deployment; manage infrastructure with Terraform on AWS, and ensure secure, well-documented handover as squads evolve.