Lead Engineer - Kubernetes & CNI | London, UK

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:

This is an exceptional opportunity to join a high impact engineering team delivering the next generation of LSEG's latency optimised, real time market data platforms. You will be working at the forefront of Kubernetes platform engineering, with a focus on Container Network Interface (CNI) technologies, helping shape and evolve our hybrid cloud container ecosystem.

As part of the specialised container platform, integration, and network connectivity engineering group, you will contribute to the design, development, and lifecycle management of globally consumed infrastructure services. This team plays a central role in our strategic transformation, where innovation, curiosity, and continuous learning are highly valued.

We are looking for engineers who thrive in fast moving, complex environments, are self motivated, and enjoy solving deep technical problems. This role offers the chance to work with emerging technologies while contributing real engineering impact in an area undergoing rapid evolution.

WHAT YOU'LL BE DOING:

Engineering & Delivery

• Contribute to the design, implementation, and enhancement of Kubernetes based container platform components, with a focus on CNI, networking, and cluster-level integrations.

• Lead delivery of engineering tasks for Kubernetes platform features across development, test, and production environments.

• Implement, configure, and validate CNI solutions (e.g., Cilium), network policies, and associated platform capabilities.

• Drive high quality engineering practices including testing, documentation, peer reviews, and CI/CD automation. Technical Influence & Collaboration

• Act as a domain specialist in Kubernetes and CNI networking, guiding team members and partnering with adjacent engineering squads.

• Provide technical input into platform architecture, backlog refinement, and feasibility assessments.

• Assist application teams onboarding to the container platform, providing guidance on networking, cluster usage, and deployment patterns. Operational Excellence

• Support troubleshooting and root-cause analysis across multilayered network and container environments.

• Contribute to platform reliability and observability improvements through dashboards, run-books, and automation.

• Evaluate new tools, technologies, and approaches and present findings to the wider engineering community. Ways of Working

• Operate effectively in an agile, iterative delivery model.

• Manage multiple work streams and priorities in a dynamic environment.

• Uphold engineering standards and advocate for platform quality, stability, and scalability. WHAT YOU'LL BRING:

• Hands on Kubernetes engineering experience in production en