As a Senior Site Reliability Engineer (SRE), you’ll help build and run reliable, secure, and performant cloud services that our customers depend on. You’ll shape how we define and measure reliability (for example through Service Level Objectives), improve automation in our delivery pipelines, and use infrastructure-as-code to make our platforms easier to operate and scale. We welcome applicants from a range of backgrounds—including SRE, DevOps, Platform Engineering, Systems Engineering, and Software Engineering with strong operations experience.
On-call: You’ll take part in a 24x7 team on-call rotation. From time to time, this may include planned out-of-hours maintenance to support a highly available service. We aim to share the load fairly, invest in automation to reduce toil, and continuously improve the on-call experience.
Key responsibilities
Define, agree, and monitor Service Level Indicators (SLIs) and Service Level Objectives (SLOs) for critical user journeys and cloud components (for example: EKS, DocumentDB, RDS/MySQL, and API Gateway).
Design and extend observability using tools such as Datadog and AWS CloudWatch so teams can detect issues early and diagnose them quickly.
Lead incident response and drive root-cause analysis and remediation, following change control practices that meet LSEG and client expectations.
Partner with Product, Engineering, Customer Support, and leadership to balance reliability, feature delivery, and customer impact.
Create and maintain clear operational documentation, runbooks, and procedures as services evolve.
Coach and mentor other engineers, helping to embed reliability practices across the team.
What you’ll bring
Relevant experience in SRE, DevOps, Platform Engineering, Systems Engineering, or a related role (or equivalent practical experience).
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Experience automating infrastructure and delivery workflows—such as Terraform and CI/CD pipelines (for example, GitLab CI/CD).
Working knowledge of AWS and common services used to build and operate production systems (for example: Lambda, SQS, API Gateway, DocumentDB, RDS/MySQL, and CloudWatch/CloudWatch Insights).
Comfort working across Linux and/or Windows environments.
Experience with Kubernetes (including managed services such as Amazon EKS).
Ability to script to automate and troubleshoot (for example, Python and/or JavaScript).
Experience building actionable monitoring, alerting, and dashboards (for example, Datadog and CloudWatch).
Clear communication, curiosity, and a collaborative approach—especially during incidents and post-incident reviews.
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.
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