Lead Site Reliability Engineer

Core Responsibilities
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.

Required Skills and Experience

• 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.

Benefits

LSEG offers a competitive compensation package, including equity, annual bonus, and a comprehensive benefits package including medical, dental and vision coverage.

We are committed to creating a diverse and inclusive workplace where everyone has the opportunity to succeed and build an exciting career. LSEG values respect, integrity, excellence, and innovation and encourages our employees to embody those values every day!

About the London Stock Exchange Group

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.

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.