Tech Lead, Site Reliability Engineering

LSEG; Nottingham; On-site; GBP 90,000 - 140,000; Full time

Job summary

LSEG (London Stock Exchange Group) in the United Kingdom seeks a Tech Lead – Site Reliability Engineering for the Risk Screening Product Line in Nottingham. You will steer reliability engineering for critical Screening apps, ensuring availability, performance, and security across a cloud-native landscape.

Lead a growing SRE team, mentor talent, and collaborate with product and engineering to embed non-functional requirements.

Qualifications

• 8+ years in production operations, SRE, or DevOps roles, including 3+ years in people management.
• Proven experience managing cloud-native services on Azure and AWS.
• Hands-on experience with container orchestration (Kubernetes, Docker).

Responsibilities

• Lead 24x7 reliability operations for Screening services, ensuring uptime, performance, and compliance.
• Define and implement SLOs, SLIs, and error budgets; maintain reliability scorecards.
• Act as Major Incident Commander during critical outages and drive post-incident learning.
• Drive automation-first mindset across incident response, deployment, and observability.
• Collaborate with product and engineering to embed non-functional requirements and security-by-design.
• Co-own cloud reliability roadmap with platform teams; standardize tooling for observability and incident comms.
• Ensure DR readiness and resilient runbooks across services.

Skills

Site Reliability Engineering

Cloud operations

Incident management

Automation

Leadership

Mentorship

Tools

Kubernetes

Docker

Azure

AWS

Job description

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.

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:

• 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).
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