Senior Site Reliability Engineer

London Stock Exchange Group; Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Site Reliability Engineer (Cloud Focus: AWS & Azure) to own reliability of critical shared services in Bengaluru. You will design and implement automation across AWS and Azure, mentor teams on observability, and participate in on-call rotations and postmortems.

Strong scripting, IaC, and cloud experience are essential. The role emphasizes CI/CD, cloud migrations, and building scalable, resilient platforms with Datadog, CloudWatch, and Azure

Qualifications

• Bachelor's degree or equivalent experience in Computer Science or related field.
• Experience with scripting languages and IaC tooling is required.
• Hands-on experience with AWS and Azure cloud services is expected.
• Familiarity with Docker/Kubernetes and observability tools.
• Experience building CI/CD pipelines and Git workflows.

Responsibilities

• Maintain SLOs for cloud-hosted systems and improve availability and latency.
• Design automation for AWS and Azure to enable rapid recovery.
• Collaborate with development teams to improve reliability and release velocity.
• Participate in on-call rotations, incident response, and postmortems.
• Promote engineering best practices for scalable, reliable services across clouds.
• Support cloud migration through architectural reviews and observability dashboards.

Skills

Shell scripting

Python scripting

Terraform

AWS services

Docker

Kubernetes

Datadog

CloudWatch

Azure Monitor

CI/CD pipelines

Git workflows

Incident response

Education

Bachelor's degree in Computer Science

Tools

Terraform

AWS CloudFormation

Azure ARM templates

Job description

## Senior Site Reliability EngineerApplylocations: IND-BLR-Divyasree Technopolistime type: Full timeposted on: Posted Todayjob requisition id: R0115584### **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.Proud to share LSEG in the India is Great Place to Work certified (Jun ’25 – Jun ’26).Learn more about life and purpose of our company directly from India colleagues’ video: Bengaluru, India | Where We Work | LSEG**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.LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and 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.### HOW TO APPLY?If you want to apply for a job, please click the Apply button. You will then be redirected to our Careers sign-in page where you can enter your existing credentials or set up an account with us.