Senior Site Reliability Engineer

London Stock Exchange Group; Bengaluru; On-site; INR 4,000,000 - 6,000,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Engineer in Site Reliability Engineering with a cloud focus on AWS and Azure to own availability, performance, and scalability of critical shared services. You will implement automation, collaborate with development teams, and contribute to on-call incident response.

The role emphasizes IaC, observability, and modern cloud-native practices, with opportunities to lead architectural reviews and multi-cloud initiatives within a diverse team.

Qualifications

• Bachelor's degree or equivalent in CS or related field.
• Proficiency in Shell and Python scripting.
• Experience with IaC using Terraform and AWS CloudFormation or Azure ARM templates.
• Hands-on AWS services and Azure equivalents.
• Knowledge of Docker and Kubernetes (EKS/AKS).
• Familiarity with Datadog, CloudWatch, or Azure Monitor.
• Experience with CI/CD pipelines and Git workflows.
• Incident response and blameless postmortems.

Responsibilities

• Maintain SLOs for cloud-hosted systems and improve availability, latency, and health.
• Design automation for AWS and Azure to scale systems.
• Collaborate with development teams to improve reliability and release velocity.
• Participate in on-call rotations and postmortems.
• Promote strong engineering practices for running reliable services.
• Enable cloud migration via architectural reviews and observability dashboards.
• Drive continuous learning in multi-cloud technologies.

Skills

Shell scripting

Python

Terraform

AWS

Azure

Docker

Kubernetes

Datadog

CloudWatch

Git workflows

CI/CD

Education

Bachelor's degree in Computer Science or related field

Tools

AWS CloudFormation

Azure ARM templates

Terraform

AWS CodePipeline

Azure DevOps

Job description

Senior Engineer, Site Reliability Engineering (Cloud Focus: AWS & Azure)

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, and who bring a continuous improvement mentality to our team!

Main Responsibilities

• 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.

Minimum Qualifications

• 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.

Preferred Qualifications

• 8–10 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 DevOps concepts and modern cloud-native architectures.

Career Stage: Senior Associate

London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

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.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

Benefits and Support

• healthcare
• retirement planning
• paid volunteering days
• wellbeing initiatives

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject. If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. Explore our divisions LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.