Site Reliability Engineer

Our Team

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.

We are looking for people with a passion to learn, who bring a continuous improvement mentality to our team.

• 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 Cloud Watch and Azure Monitor).
• Drive continuous learning and development in multi-cloud technologies.

• 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 Cloud Formation, 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 Cloud Watch, or Azure Monitor.
• Implement and maintain CI/CD pipelines (AWS Code Pipeline, Azure Dev Ops, or similar).
• Incident response and blameless postmortems.
• Proficient in Git workflows.

• 2–5 years of proven experience.
• Strong understanding of AWS Well-Architected Framework and Azure Architecture Center.
• Experience with cloud security guidelines (IAM, KMS, Secrets Manager).
• Familiarity with cloud-native databases (AWS RDS/DynamoDB, Azure SQL).
• Knowledge of Dev Ops concepts and modern cloud-native architectures.

Senior Associate

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.