Lead Engineer - Kubernetes

LSEG; City Of London; On-site; GBP 110,000 - 160,000; Full time

Job summary

London Stock Exchange Group (LSEG) seeks a Lead Technical Engineer with deep Kubernetes expertise to design, implement and scale our Kubernetes infrastructure and cloud platforms. You will mentor engineers, drive best practices, and influence our technical strategy across cloud services and security.

The role focuses on hands-on leadership, cloud-native delivery, and collaboration with product owners to enable scalable, secure platforms that power critical applications globally.

Qualifications

• Degree in Computer Science, Engineering, or related field.
• CKA/CKAD/CKS certifications preferred.
• Experience leading cloud infrastructure and Kubernetes at scale.

Responsibilities

• Lead the design, implementation, and maintenance of Kubernetes clusters and related infrastructure.
• Provide technical leadership and mentorship to engineers, promoting best practices.
• Drive cloud budget management and optimization across platforms.
• Collaborate with cross-functional teams including developers, DevOps and system admins to align infrastructure with business goals.
• Maintain high security, reliability and compliance of cloud platforms.

Skills

Kubernetes

Cloud Native

Terraform

Leadership

Mentorship

Agile

AWS

CKA/CKAD/CKS

Education

Bachelor's degree in CS/Engineering

Tools

Terraform

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.

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 a highly skilled and motivated Lead Technical Engineer with deep experience in Kubernetes and the CNCF landscape to join our growing team. In this role you will be a key contributor to the design, implementation and maintenance of our Kubernetes infrastructure, ensuring its scalability, reliability and security. You will provide technical leadership and mentorship to other engineers, driving best practices and fostering a culture of continuous improvement. This is a hands‑on role with significant opportunities to impact our technical strategy and influence the direction of our platform. We are looking for a versatile engineering Lead/Principal with experience of building cloud platforms and leading software engineering teams that support critical applications at scale in cloud.

WHAT YOU'LL BE DOING

Technical Leadership

• Lead the design, implementation, and maintenance of Kubernetes clusters and associated infrastructure components.
• Provide technical guidance and mentorship to team members, fostering a culture of collaboration and continuous learning.
• Drive innovation and best practices in cloud infrastructure design and implementation.

Team Management

• Develops a team of Agile delivery leads, cloud engineers & consulting partners that design and build platform shared services and secure landing zones.
• Ensures software engineering standards and modern SDLC practises are maintained.
• Is required to be a technical authority for Kubernetes.
• Understand security, risk and compliance frameworks, disaster recovery, high availability architectures, hardware, operating systems, and networking connectivity
• Collaborates with internal teams (including Product Owners).
• Provide solutions/guidance on Cloud budget management and optimisation.
• Is responsible for the backlog of delivery for the Kubernetes container team.

Continuous Improvement

• Identify areas for improvement in existing processes, tools and workflows, and drive initiatives to enhance efficiency and reliability.
• Stay current with industry trends and emerging technologies, evaluating their potential impact on our infrastructure.

Cross-Functional Collaboration

• Collaborate with cross-functional teams, including developers, DevOps engineers, and system administrators, to support their needs and align infrastructure initiatives with business goals.
• Communicate effectively with stakeholders at all levels, providing updates on project status and key initiatives.

WHAT YOU'LL BRING

• Proven experience with Cloud Native technologies on at least one of the major cloud services providers (AWS preferred).
• Experience designing and delivering production cloud solutions at scale.
• Degree in Computer Science, Engineering, or a related field (or equivalent experience).
• Preferably have CKA, CKAD and CKS qualifications
• Extensive experience designing, implementing, and managing Kubernetes-based cloud infrastructure.
• Deep understanding of cloud computing principles and technologies, with experience working with major cloud providers (AWS, Azure, GCP).
• Proficiency in infrastructure as code tools and practices (Terraform etc.).
• 2+ years of people management experience building strong teams and leading engineers.
• Show a passion for people management and mentorship.
• Hands on experience in software development methodologies and Agile based delivery.
• Excellent problem-solving and troubleshooting skills.
• Strong communication and interpersonal skills, with the ability to effectively collaborate with application teams at all levels.

Career Stage

Manager

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.