Principal/Senior Lead DevOps Engineer - Cloud Platform

London Stock Exchange Group; Nottingham; On-site; GBP 80,000 - 110,000; Full time

Job summary

A leading global financial markets provider is seeking a Principal/Senior Lead DevOps Engineer to oversee the release architecture and cloud-native infrastructure. This key position requires deep expertise in AWS and Terraform, along with a strong background in Kubernetes and CI/CD practices. Responsibilities include influencing technology strategy, mentoring teams, and driving cultural transformation towards DevOps principles. The role offers a unique opportunity to shape the future of platform engineering and enhance operational excellence in a dynamic environment. Competitive salary and benefits included.

Benefits

Flexible working hours

Professional development opportunities

Inclusive culture

Qualifications

• 8+ years in DevOps or platform engineering.
• 3+ years in senior leadership or principal-level roles.
• Proven experience architecting cloud-native platforms.

Responsibilities

• Own the release & deployment architecture.
• Design enterprise-grade automation frameworks.
• Lead Kubernetes platform strategy.
• Champion Site Reliability Engineering principles.
• Mentor senior engineers and technical leads.

Skills

Cloud platforms: AWS

Infrastructure as Code: Terraform

Container orchestration: Kubernetes

CI/CD tooling: GitLab CI

Scripting & automation: Bash/Shell, Python

Security & compliance: IAM, KMS

Monitoring & observability: Datadog

Agile & DevOps culture

Education

Bachelor's or Master's degree in Computer Science, Engineering

Job description

• Own the release & deployment architecture and roadmap for cloud-native infrastructure, ensuring scalability, security, and resilience.
• Design and implement enterprise-grade automation frameworks using Terraform, CloudFormation, and GitLab workflows.
• Set standards for CI/CD pipelines across multiple teams, driving best practices for secure and rapid delivery.
• Lead Kubernetes platform strategy (Amazon EKS, Istio Service Mesh) for service-oriented architectures and multi-region deployments.
• Champion Site Reliability Engineering principles, defining observability, reliability, and incident response strategies.
• Influence technology adoption, evaluating emerging tools and practices to enhance developer experience and operational excellence.
• Mentor senior engineers and technical leads, fostering a culture of innovation, automation, and continuous improvement.
• Collaborate with senior leadership to align infrastructure strategy with business objectives and product roadmaps.
• We're looking for someone with deep technical expertise and strategic vision in:
  • Cloud platforms: AWS (EC2, Lambda, RDS, S3, VPC, CloudFront, IAM, CloudWatch, etc.)
  • Infrastructure as Code: Terraform, CloudFormation
  • Container orchestration: Kubernetes (EKS), Istio Service Mesh
  • CI/CD tooling: GitLab CI, Jenkins, Bitbucket
  • Scripting & automation: Bash/Shell, Python
  • Security & compliance: IAM, KMS, encryption, DevSecOps practices
  • Monitoring & observability: Datadog, Prometheus, Grafana, ELK, or similar
• Agile & DevOps culture: GitOps, SRE principles, Agile methodologies, As a Senior Lead DevOps Engineer, you will:
  • Shape the technical vision for cloud-native infrastructure across the organization.
  • Influence senior stakeholders and executives, ensuring DevOps strategy aligns with business priorities.
  • Drive cultural transformation, embedding DevOps and SRE principles across engineering teams.
  • Act as a thought leader, representing the organization in internal forums and external communities.
  • Enable scale, ensuring platforms support global growth and innovation.
• 8+ years in DevOps or platform engineering, with 3+ years in senior leadership or principal-level roles.
• Proven experience architecting and operating cloud-native platforms at enterprise scale.
• Ability to influence technology strategy and drive adoption across multiple teams.
• Exceptional communication and stakeholder management skills.
• A passion for innovation, automation, and developer enablement.
• Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience.
• 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. 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. Are you ready to set the vision and strategy for building scalable, secure, and resilient platforms that power global LSEG Risk Intelligence products? We're looking for a Principal/Senior Lead DevOps Engineer to define release architecture, influence technology direction, and lead transformational initiatives across our cloud-native infrastructure. As a Principal DevOps Engineer, you'll be a strategic technical leader, shaping the future of platform engineering and DevOps practices at scale, 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.