Senior Site Reliability Engineer (SRE)

FTSE Russell, part of the London Stock Exchange Group, is an essential index partner for a changing world, providing category defining indices across asset classes and investment objectives to create new possibilities for the global investment community. FTSE Russell’s expertise and products are used extensively by institutional and retail investors globally.

Job Summary

This is a great opportunity to join a growing company in an innovative and dynamic industry !

We are seeking a highly experienced, technically proficient and hands-on Senior Site Reliability Engineer (SRE) to join our growing team. This role is ideal for someone with a strong background in observability, automation, cloud infrastructure, and DevOps practices on AWS (Amazon Web Services) who can drive reliability and performance across complex distributed systems. You will also use your deep experience of Observability and Telemetry best practices practices to design, implement and optimize a best-in-class monitoring infrastructure. Your expertise will be crucial in ensuring operational excellence and business continuity in a dynamic cloud-native environment.

We are looking for someone with a strong background in Datadog, Geneos, Gitlab and Infra-as-Code (Terraform). You will play a crucial role in our technology team, contributing to the development, deployment, and maintenance of our monitoring and alerting infrastructure.

Key Responsibilities

• Architect, implement, and maintain observability platforms using Datadog and Geneos to ensure comprehensive monitoring and alerting.
• Design and manage scalable infrastructure using Terraform and Infrastructure as Code (IaC) principles.
• Champion GitOps methodologies using GitLab for CI/CD, configuration management, and deployment automation.
• Collaborate with engineering teams to embed reliability, scalability, and performance into the software development lifecycle.
• Collaborate with software developers across multiple geographies and cross-functional teams to understand project objectives, gather requirements, and deliver systems and software within agreed upon timelines.
• Optimize alerting strategies to reduce noise and improve actionable insights.
• Mentor junior engineers and contribute to the evolution of SRE best practices.
• Oversee and continuously optimize cloud cost management strategies for our Observability infrastructure in line with Cloud FinOps principles.
• Collaborate with executive leadership and cross-functional stakeholders to align infrastructure strategy with long-term business objectives.
• Lead incident response, perform root cause analysis, and drive continuous improvement through blameless post-mortems.
• Ensure code is up-to-date, maintainable, scalable, and secure.
• Stay updated on industry best practices and emerging technologies in Observability, DevOps and Cloud.
  
  

Must Have Skills

• Strong hands-on experience with AWS cloud services: EC2, S3, RDS, Lambda, VPC, IAM, CloudWatch, EKS, ECS
• Strong hands-on expertise in Infrastructure as Code (IaC) using Terraform.
• Deep knowledge and hands-on experience with CI/CD tools (e.g., GitLab CI, Jenkins, etc.) for Java and Python based Microservices-style architectures.
• Deep expertise in Datadog for metrics, logs, traces, and dashboards.
• Proficiency with Geneos for real-time monitoring and alerting.
• Solid understanding of GitLab and GitOps workflows.
• Strong scripting and automation skills (e.g., Python, Bash).
• Solid understanding of Linux systems, networking, and distributed systems.
• Experience with containerization and orchestration (e.g., Docker, Kubernetes).
• Excellent problem-solving skills and ability to work collaboratively.
  
  

Nice To Have Skills

• AWS Certifications such as AWS Certified Solutions Architect, Certified DevOps Engineer or equivalent.
• Familiarity with SLOs, SLIs, and error budgets.
• Experience with multi-cloud or hybrid cloud environments.
• Knowledge of ITIL or SRE frameworks and methodologies.
• Experience working in a regulated or high-availability environment (e.g., fintech, financial services or capital markets).
  
  

Bonus Skills

• Experience working in areas of Equity or Fixed Income and a working knowledge of Benchmarks and Indices.
  
  

Preferred Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience.
• 7+ years of experience in Site Reliability Engineering, DevOps, or related roles.
  
  

What We Offer

• Competitive salary and benefits package.
• Flexible work environment with remote options.
• Opportunities for technical leadership and career growth.
• A collaborative and inclusive culture that values innovation, ownership, and reliability.
  
  

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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

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.

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

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

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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

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.

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.