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 commitment 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, handle 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 70 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 culture of connecting, creating opportunity and delivering excellence 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 exciting 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 organization spanning 70 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.

Role Summary

As a Senior Manager in Reliability Engineering, you will lead a global team to ensure the availability, scalability, and resilience of LSEG’s services. This role combines strategic leadership with deep technical expertise, driving automation, process improvement, and operational excellence across cloud and on-prem environments.

What You will be Doing:

• Lead and mentor a team of Site Reliability Engineers, fostering a culture of collaboration, innovation, and continuous improvement.

• Define and implement reliability strategies aligned with organizational goals.

• Manage budgets, resource planning, and performance metrics (uptime, MTTR, error rates).

• Foster a culture of technical excellence, encouraging continuous learning and collaboration.

• Own end-to-end availability and performance of critical services.

• Drive automation initiatives to eliminate manual tasks and prevent recurring issues.

• Be responsible for CI/CD pipeline development and integration with testing frameworks.

• Implement Infrastructure as Code (IaC) using industry-standard tools and patterns.

• Ensure compliance with security, regulatory, and architectural standards.

• Lead efforts to automate L1/L1.5 support tasks, including log analysis, triage workflows, and routine remediation actions.

• Develop and maintain self-healing mechanisms for common failure scenarios.

• Implement and maintain robust monitoring, alerting, and telemetry systems to ensure early detection of anomalies.

• Drive adoption of SLOs (Service Level Objectives) , SLIs (Service Level Indicators), and error budgets to measure and improve service reliability.

• Ensure real-time dashboards and automated health checks are in place for all critical services.

• Ensure comprehensive, version-controlled runbooks are available for all supported systems.

• Promote continuous documentation updates and knowledge base enrichment through post-incident reviews and team contributions.

• Lead major incident response and drive Technical Recovery Team (TRT) calls to restore services quickly.

• Act as the primary escalation point during critical incidents, including those occurring in US time zones.

• Communicate effectively with senior leadership during high-severity incidents, providing timely updates and recovery plans.

• Establish and enforce incident, change, and problem management processes.

• Optimize cloud infrastructure costs (FinOps) and apply sustainability practices.

• Maintain up-to-date knowledge articles and documentation for supported systems.

• Partner with application, platform, and DevOps teams to deliver scalable, secure solutions.

• Engage with global teams across UK, US, and APAC time zones.

• Manage stakeholder expectations and ensure high levels of customer satisfaction.

• Ensure audit readiness for all systems managed by the team, including access controls and change logs.

• Drive vulnerability management and patching processes for supported platforms.

• Provide coaching, career development, and training programs for team members.

• Promote knowledge sharing and upskilling across teams.

What You will Bring:

• Bachelor's degree in computer science, Software Engineering, or related STEM field (or equivalent experience).

• 15+ years in software engineering/reliability roles, including 3+ years in leadership.

• Solid background in cloud platforms (AWS essential; Azure/GCP desirable).

• Expertise in automation, CI/CD, and Infrastructure as Code (CloudFormation, Terraform).

• Hands-on experience with Linux/Windows systems and cloud security.

• Familiarity with ITIL processes and incident/change management.

• AWS services (Aurora, Security, CloudFormation).

• DevOps tools (Nexus/JFrog Artifactory).

• FinOps for cloud cost optimisation

• Big Panda and Data Dog for Observability

• Good communication and stakeholder management.

• Ability to work across time zones and manage multiple priorities.

Preferred Qualifications

• Relevant certifications (AWS, DevOps, ITIL, Agile).

• Knowledge of financial markets.

• Experience leading distributed teams and driving process improvement initiatives.

Additional Expectations

• Participate in on-call rotations to ensure 24/7 service reliability.

• Stay ahead with emerging cloud technologies and industry best practices.

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 organization 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, color, 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.