Platform Principal Engineer

1 Month ago • All levels • Devops

Job Summary

Job Description

As a Principal Engineer, you will develop and implement engineering solutions for the unified policy engine platform, ensuring secure, scalable, and efficient enterprise cloud compliance solutions. You will collaborate with cross-functional teams, utilize DevSecOps practices, and leverage Infrastructure as Code (IaC) tools like Terraform throughout the project lifecycle. Responsibilities include defining security controls with Cyber and Risk teams, implementing policies using OPA, building design patterns, and automating security checks. You will also be responsible for infrastructure monitoring and management. The role involves leading enterprise/platform engineering teams and working with open-source projects.
Must have:
  • Experience in declarative policy language.
  • Experience with Azure policies and security guardrails.
  • Knowledge of IaC concepts and cloud technology.
  • Implementation experience with DevOps, CI/CD, and DevSecOps concepts.
  • Hands-on experience with CI/CD pipelines and code scanning tools.
  • Experience leading enterprise/platform engineering teams.

Job Details

As a Principal Engineer, you will provide engineering solutions for unified policy engine platform's development, implementation, and optimisation. Your mission is to build flawless, secure, scalable, and efficient enterprise cloud compliance solutions. You will collaborate with multifunctional teams, embrace DevSecOps practices, leverage Infrastructure as Code (IaC) tools like Terraform, and promote the shift-left approach. Your role spans the entire project lifecycle—from assembling requirements to production deployment—and includes generating and refining developer-focused resources such as cloud architecture patterns, CI/CD pipeline templates, automated testing, and code scanning.

Key Responsibilities and Accountabilities:

  • Develop and implement enterprise-level operating models, and workflows.
  • Responsible to collaborate with Cyber and Risk teams for security control definitions, and author & implement policies into native cloud platforms/policy tools. Implement policies related to infrastructure, security, and compliance using OPA.
  • Build design patterns, modules, and libraries to integrate SDLC processes into the CI/CD pipeline.
  • Provide technical expertise in automation engineering, coding, and architecture issues.
  • Collaborate with Cloud Engineering/Ops and Dev Tools on DevSecOps automation-related issues.
  • Choose the appropriate cloud provider (AWS, Azure, GCP) based on project requirements.
  • Automate security checks using tools to scan code, implement policies coding standards, and lead dependencies securely.
  • Lead all aspects of infrastructure monitoring and management.
  • Develop automation solutions for Cloud (IaC - Terraform), CI/CD pipelines (YAML), and Quality Engineering (QE) processes.

Requirements:

  • Proven experience in declarative policy language, context-aware and expressive, architectural flexibility, and coordinated development tools.
  • Experience with Azure policies and security guardrails.
  • Knowledge of IaC concepts and cloud technology across CSPs (AWS, Azure, GCP).
  • Implementation experience with DevOps, CI/CD, and DevSecOps concepts.
  • Ability to engage with senior development, infrastructure, and architecture team members.
  • Hands-on experience with CI/CD pipelines, code scanning tools, secrets management, Docker, and programming languages (Java/JavaScript, C#, Python).
  • Proven experience in leading enterprise/platform engineering teams.
  • Validated experience in working with open-source projects for due diligence, building proof of concepts, and onboarding to enterprise through the portfolio process.
  • Experience using AI tools like LLMs and MCPs

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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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.

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.

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About The Company

LSEG (London Stock Exchange Group) isa leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.

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