Principal Data Engineer

Harnham; Greater London; In loco; GBP 90.000 - 110.000; Tempo pieno

Vantaggi offerti da questo lavoro

Hybrid work model (3 days in office)

Competitive salary (£90k–£110k)

Collaborative, growth-focused culture

Descrizione del lavoro

Harnham is seeking a Principal Data Engineer in London/Harmondsworth to combine hands-on engineering with technical leadership and people management. You will lead data engineering initiatives, shape engineering standards, and drive delivery of data products in a modern cloud environment.

You will mentor engineers, establish best practices, and partner with senior stakeholders to align technical solutions with business objectives, all while shaping a scalable cloud data ecosystem using AWS,

Competenze

• Strong commercial experience in Data Engineering and modern software engineering practices.
• Expertise working with AWS cloud services.
• Experience building and scaling solutions within Snowflake.
• Strong knowledge of dbt and modern data transformation methodologies.
• Excellent SQL and data modelling capabilities.
• Experience with CI/CD, DevOps practices, testing, monitoring, and operational support.
• Ability to lead technical discussions and influence engineering decisions across teams.
• Experience managing, coaching, or mentoring engineers.
• Strong stakeholder management and communication skills.

Mansioni

• Providing technical leadership across Data Engineering, Software Engineering, and DevOps practices.
• Building, improving, and maintaining scalable data platforms and pipelines.
• Working closely with engineering teams to establish best practices, standards, and delivery frameworks.
• Troubleshooting complex technical challenges and helping unblock delivery teams.
• Leading, coaching, and mentoring engineers to support their professional development.
• Driving continuous improvement across data products, tooling, and engineering processes.
• Collaborating with senior stakeholders to align technical solutions with business objectives.
• Supporting the ongoing evolution of a modern cloud-based data ecosystem using AWS, Snowflake, and dbt.
• Contributing to the operation, monitoring, optimisation, and reliability of production data systems.

Conoscenze

Data engineering leadership

Stakeholder management

SQL

Data modelling

CI/CD

DevOps practices

Mentoring

Technical influence

Strumenti

AWS

Snowflake

dbt

Descrizione del lavoro

London, Harmondsworth (3 days a week in office)

This is an opportunity to join a large-scale organisation undergoing an exciting transformation of its data capabilities. You'll play a key role in shaping engineering standards, influencing technical direction, and leading the delivery of business-critical data products within a modern cloud environment.

THE COMPANY

They are a well-established UK organisation investing heavily in their data and technology landscape. Operating within a federated data model, they have embedded data teams across the business to drive innovation and commercial impact. Their engineering teams work with complex, high-volume datasets that directly support key business decisions and outcomes. You'll join a collaborative environment where technical excellence, continuous improvement, and knowledge sharing are actively encouraged. This is a role with genuine influence and visibility across the wider organisation.

THE ROLE

As a Principal Data Engineer, you will combine hands-on engineering with technical leadership, people management, and stakeholder engagement.

Specifically, you can expect to be involved in the following:

• Providing technical leadership across Data Engineering, Software Engineering, and DevOps practices
• Building, improving, and maintaining scalable data platforms and pipelines
• Working closely with engineering teams to establish best practices, standards, and delivery frameworks
• Troubleshooting complex technical challenges and helping unblock delivery teams
• Leading, coaching, and mentoring engineers to support their professional development
• Driving continuous improvement across data products, tooling, and engineering processes
• Collaborating with senior stakeholders to align technical solutions with business objectives
• Supporting the ongoing evolution of a modern cloud-based data ecosystem using AWS, Snowflake, and dbt
• Contributing to the operation, monitoring, optimisation, and reliability of production data systems

SKILLS AND EXPERIENCE

The successful Principal Data Engineer will have the following skills and experience:

• Strong commercial experience in Data Engineering and modern software engineering practices
• Expertise working with AWS cloud services
• Experience building and scaling solutions within Snowflake
• Strong knowledge of dbt and modern data transformation methodologies
• Excellent SQL and data modelling capabilities
• Experience with CI/CD, DevOps practices, testing, monitoring, and operational support
• Ability to lead technical discussions and influence engineering decisions across teams
• Experience managing, coaching, or mentoring engineers
• Strong stakeholder management and communication skills

  BENEFITS

  The successful Principal Data Engineer will receive the following benefits:

  • Salary between £90,000 - £110,000 - depending on experience