Principal Data Engineer

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 Profile:

Our Snowflake infrastructure is critical to the organization, and it’s essential that every Principal Data Engineer drives improvements in the design and build quality of our data platforms. This role involves close collaboration with data scientists, analysts, and BI teams to deliver robust, scalable, and high-performance data solutions.

A great opportunity exists for an experienced Principal Data Engineer to provide technical leadership, shape architectural decisions, and mentor a team of skilled engineers. Applicants should demonstrate deep expertise in modern data engineering practices, a passion for innovation, and a proactive, solution-oriented approach.

The successful candidate will be responsible for:

• Identifying, designing, and implementing internal process improvements including redesigning infrastructure for greater scalability, optimizing data delivery, and automating manual processes.
• Maintaining the Landing Zone (LZ) and template to keep pace with the frequency of Snowflake change.
• Assembling large, sophisticated sets of data that meet non-functional and functional business requirements.
• Building required infrastructure for efficient extraction, transformation and loading of data from various data sources.
• Building analytical tools to use the data pipeline, providing actionable insight into key business performance metrics.
• Working with stakeholders including the Executive, Product, Data and Design teams to support their data infrastructure while assisting with data-related technical issues.
• Reduce risk by continuously introducing automation over processes which require human intervention.
• Lead historical cost allocation of the existing data stack and forecast costs as the business continues to grow and new deployments adopt the platform.
• Seek opportunities to engage the business on how to improve cost / performance ratios.
• Ensure all work is documented, conforming to security, infrastructure, product and other internal requirements.
• Contribute to the Snowflake Centre for Enablement delivering: a) Preferred integration patterns and stanndards; b) Advice, mentorship and assistance to partner teams; c) Evolving our company policies and standards.

Candidate Profile / Key skills

• Minimum 10 years of industry experience, preferably in financial services.
• Hands-on experience with Snowflake (including administration) is an essential requirement for this role.
• Strong SQL skills for querying and optimizing data within Snowflake.
• Proven skills in cost optimization techniques.
• Hands-on experience with modern data engineering tools and frameworks such as dbt (data transformation), Apache Airflow (workflow orchestration), and streaming technologies like Apache Kafka, along with similar platforms for data integration and pipeline automation
• Hands-on experience of scripting languages (Python, Shell Script etc) for automation of tasks and processes.
• Good understanding of data through previous hands-on contributions to design, development, and implementation of IT systems.
• Familiarity with cloud platforms, as Snowflake is often deployed on popular cloud providers like AWS, Azure, or Google Cloud Platform.
• Good Understanding of automating infrastructure provisioning via Terraform, DevOps skills.
• Previous experience in Docker, Gitlab, Jenkins is advantageous.
• Excellent communication and interpersonal skills.
• Proactive, determined, and resilient, with a positive attitude.
• Extensive and demonstrable problem-solving and decision-making capabilities.
• Nice to have AWS, Snowflake certifications.

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.

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.