Lead Engineer (Kubernetes)

London Stock Exchange; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

London Stock Exchange is seeking a Lead Technical Engineer with deep Kubernetes and CNCF experience to design, implement and scale cloud platforms in a large enterprise. You will mentor delivery teams, set technical direction and align infrastructure initiatives with business goals.

You will lead clusters, drive best practices, and partner with product owners to deliver secure, resilient cloud services across AWS/Azure/GCP.

Qualifications

• Experience leading Kubernetes-based cloud infrastructure.
• Expertise with cloud providers (AWS, Azure, GCP).
• Proficient in infrastructure as code (Terraform).
• Strong agile delivery and people management skills.
• Excellent communication and collaboration abilities.

Responsibilities

• Lead design, implementation and maintenance of Kubernetes clusters.
• Provide technical leadership and mentorship to engineers.
• Drive best practices and SDLC improvements.
• Act as Kubernetes technical authority across teams.
• Collaborate with product owners and stakeholders.
• Develop and manage a backlog for the Kubernetes team.
• Oversee cloud budgets and optimisation strategies.

Skills

Kubernetes

Cloud architecture

Leadership

Mentorship

Agile delivery

Strategic thinking

Budget optimization

Cloud security

Communication

Education

Degree in Computer Science or Engineering

Tools

Terraform

AWS

Azure

GCP

Job description

• 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
• 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

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