The Senior Cloud & Platform Engineering Lead will own and drive the design, delivery, and operational excellence of enterprise cloud platforms and migration initiatives. This role plays a critical part in advancing LSEG Post Trade’s cloud strategy, with a strong focus on AWS, Kubernetes (EKS), automation, and cloud-native engineering.

You will lead high-performing engineering teams, shape platform strategy, and ensure secure, scalable, and resilient cloud services. This is a hands-on leadership role requiring both technical depth and strategic influence across engineering, architecture, and business partners.

What You’ll Do

• Lead the design, build, and optimisation of AWS-based cloud platforms, including EKS, Kubernetes, networking, identity, and observability capabilities supporting enterprise-scale workloads

• Drive cloud migration programmes end-to-end, including application assessment, readiness analysis, refactoring strategies, and transition planning

• Shape and deliver platform roadmaps, enabling scalable, resilient, and cost-efficient cloud operations

• Champion automation-first engineering, using Infrastructure-as-Code (Terraform, Ansible) and GitLab-based CI/CD pipelines to improve consistency and speed

• Ensure platform reliability, security, and compliance, embedding engineering standards, architectural patterns, and governance controls across all workloads

• Enable hybrid-cloud integration, supporting selective adoption of Azure services where required

• Collaborate across architecture, security, and operations teams to enforce platform guardrails and guidelines

• Lead and develop engineering teams, encouraging a culture of ownership, learning, and continuous improvement

• Coordinate sprint planning, prioritisation, and delivery execution across multiple engineering streams

• Represent Cloud & Platform Engineering in governance, architecture, and programme forums

• Act as the focal point for complex cloud and Kubernetes challenges, making informed technical and operational decisions

What You Bring

• Deep expertise in AWS services, including EKS, IAM, networking, compute, observability, and security

• Strong hands-on experience with Kubernetes and container platforms, including cluster operations and workload optimisation

• Proven experience with Infrastructure-as-Code, CI/CD pipelines, and DevOps tooling

• Solid understanding of hybrid cloud architectures, networking, identity, and security controls

• Experience applying SRE principles, observability frameworks, and managing distributed systems at scale

• Demonstrated success leading cloud transformation and migration programmes

Leadership & Collaboration

• Proven ability to lead and inspire engineering teams, delivering complex cloud initiatives

• Strong customer management skills, with the ability to influence technical direction across diverse teams

• Ability to translate complex technical concepts into clear insights for both technical and non-technical audiences

• Comfortable operating in fast-paced, enterprise-scale environments with multiple priorities

Qualifications

• A Degree or equivalent in Computer Science, Engineering, or equivalent practical experience

• AWS certifications (e.g., Solutions Architect, DevOps Engineer) preferred

• Kubernetes certifications (CKA/CKAD) and DevOps/SRE certifications beneficial

• Azure certifications advantageous but not required

Inclusion & Benefits

We are committed to building an inclusive workplace where everyone can thrive. We welcome applications from candidates of all backgrounds and experiences.

We offer a competitive compensation package, flexible working options, and a comprehensive range of benefits to support your wellbeing and professional growth.

Career Stage:

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.

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