Job Description

We're looking for a Site Reliability Engineer to join our LSEG's (London Stock Exchange Group) Real Time SRE team. As part of the SRE team, you will play a central role in supporting our large, globally-distributed market data infrastructure. You'll be responsible for providing support for critical Real Time applications, identifying and automating away development and operational toil, and driving adoption of the latest and greatest tools and platforms.
Ideal candidates will be strong individual contributors, possess a mix of operational support and development skills, have experience working with complex distributed systems, have strong written and verbal communication skills, and have experience scaling complex technical solutions.
WHAT YOU'LL BE DOING:

• Working across multiple functions (infrastructure, networks, data quality, and development teams) to ensure service health for LSEG clients
• Ensure end-to-end quality for application migrations to cloud, from high-quality documentation, to observability flows, to operational acceptance testing and beyond
• Support a diverse set of applications deployed across on-premise data centers, public and private cloud (AWS/Azure)
• Automating operational and development toil via scripting skills and familiarity with Git
• Leverage the latest tools and develop processes to accelerate LSEG's response to and recovery from service-impacting incidents
• Crafting reusable dashboards and alerting pipelines from raw metrics and logs
• Integrate cloud services, tooling platforms, and process automation together to accelerate Mean Time to Detection and Resolution for incidents
• Designing, authoring, and maintaining CI/CD pipelines and patterns
• Define Service Level Objectives and implement monitoring to ensure our systems are available and healthy

WHAT YOU'LL BRING:

• At least 5 years of hands-on industry experience in DevOps or SRE, or relevant equivalent (experience in supporting financial markets, real-time data, or client-facing applications a plus)
• Hands-on experience supporting cloud applications (AWS/Azure preferred)
• Fluent in writing well-documented, production-grade Python code
• Excellent grasp of key components of the software development lifecycle, including testing, code quality and security scans, artifact versioning, environment promotion, and deployment models
• Strong background in Unix/Linux concepts, configuration, and shell scripting
• Experience in working with container-based technologies (Docker, Kubernetes, and managed services like Azure AKS and AWS EKS)
• Experience deploying changes to large, distributed systems in both cloud and on-premises
• Excellent practical and theoretical knowledge of Continuous Integration / Continuous Delivery pipelines (CI/CD), sufficient to design, author, and maintain CI/CD codebases
• Experience designing and implementing observability components like alerts, dashboards, monitors, log-parsing pipelines, and automated remediation flows (experience with DataDog is a plus)
• Detail-oriented approach to writing crystal-clear technical documentation

WHAT YOU'LL GET IN RETURN:

• Experience coordinating business-critical technical initiatives at a massive scale
• Hands on expertise supporting low-latency market data applications
• Work on cutting-edge platforms and initiatives that keep your skills at the forefront of the industry
• Exposure to a wide range of technologies, tools, and cloud providers
• The support of a dynamic and growing team interested always interested in sharpening our skills

We recognize that to attract the best talent, we need to be flexible, and we are open to discussing work arrangements with you.
ABOUT US:
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
LSEG is headquartered in the United Kingdom, with significant operations in 65 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG's ticker symbol is LSEG.
OUR PEOPLE:
People are at the heart of what we do and drive the success of our business. Our values of Integrity, Partnership, Excellence and Change shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.
We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 65 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.
LSEG Purpose and Values
Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Underpinning our purpose, our values of Integrity, Partnership, Excellence and Change set the standard for everything we do, every day. They guide the way we interact with each other, the partners we work with and our customers. Delivering on our purpose and living up to our values is a responsibility that we all share.
To achieve our ambitions through a strong culture, People Leaders need to role model our Values and create the culture for everyone at LSEG to be at their best.
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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:
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.
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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.

Skills Required