Tech Lead, Site Reliability Engineering

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 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 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 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: We are seeking an accomplished and forward-thinking technical leader to join our Risk Intelligence organisation as the Tech Lead – Site Reliability Engineering (SRE) for the Risk Screening Product Line. Based in Nottingham, UK, this role will lead the reliability engineering function for critical Screening applications supporting the EMEA region. The successful candidate will be accountable for ensuring the availability, scalability, performance, and security of business-critical platforms while driving operational resilience and service excellence across a complex, cloud-native technology landscape.

As a key technical leader, you will combine deep expertise in Site Reliability Engineering, cloud operations, and modern software delivery practices with a passion for building high-performing engineering teams. You will lead reliability strategies, incident management, automation initiatives, and continuous improvement efforts, while partnering closely with product, engineering, and business stakeholders to align technology outcomes with organisational objectives. This role offers an exciting opportunity to influence engineering culture, mentor and develop talent, and establish best-in-class operational practices within a growing and innovative UK-based technology organisation.

WHAT YOU'LL BE DOING: Technical Ownership for Identity & Fraud Platforms 

• Lead 24×7 reliability operations for Screening services, ensuring uptime, performance, and compliance across WC1 and World Check verify Applications.

• Define and implement SLOs, SLIs, and error budgets; maintain reliability scorecards and drive improvements through engineering backlogs.

• Act as Major Incident Commander during critical outages; lead blameless post-incident reviews and ensure learnings are institutionalized.

• Drive automation-first mindset across incident response, deployment, compliance, and observability.

• Collaborate with product and engineering teams to embed non-functional requirements and secure-by-design principles into delivery pipelines.

• Co-own cloud reliability roadmap with platform teams; standardize tooling for observability, ITSM, and incident communication.

• Ensure DR readiness, runbook quality, and resilience patterns are consistently applied across services.

People Leadership

• Lead and mentor a team of SRE engineers, fostering a culture of ownership, learning, and engineering excellence.

• Drive career development, performance management, and technical capability growth across the team.

• Collaborate with HR and Talent teams to build local hiring pipelines and support workforce planning.

• Promote well-being and psychological safety within the team; ensure compliance with health and safety standards.

• Represent Nottingham site in global SRE forums; contribute to offshore strategy and location planning.

• Partner with vendors and staffing partners to manage workforce augmentation and ensure delivery quality.

• Support BCP/DR planning and ensure site-level operational readiness for critical events.

WHAT YOU'LL BRING:

• 8+ years in production operations, SRE, or DevOps roles, with at least 3+ years in a people management capacity.

• Proven experience managing cloud-native services on Azure and AWS, including: Azure SQL, Cosmos DB, Application Gateway, Key Vault, Storage, DNS, Load Balancer, Virtual Machines, Azure Machine Learning, Sentinel

AWS Lambda, ECS, RDS, CloudWatch Strong understanding of SRE principles (SLOs, SLIs, error budgets, incident response).

• Hands-on experience with container orchestration (Kubernetes, Docker).

• Proficiency in CI/CD pipelines and infrastructure-as-code tools (Terraform, GitHub Actions, Jenkins).

• Familiarity with observability platforms (Datadog, BigPanda, OpenTelemetry).

• Experience working with identity platforms and/or fraud detection systems.

• Excellent communication and stakeholder management skills; ability to influence across technical and business domains.

• Strong analytical mindset with a focus on measurable outcomes and continuous improvement.

 Personal Attributes 

• Empathetic and inclusive leader, committed to team well-being and growth

• Strategic thinker with a bias for action and accountability.

• Calm and structured under pressure; able to lead teams through high-stakes incidents.

• Passionate about engineering excellence, automation, and reliability.

• Strong collaborator who builds trust across teams and geographies.

• Committed to continuous learning and knowledge sharing.

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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