Principal Data Architect (Hiring Immediately)

experian
London

Company Description

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries.

Job Description

We are seeking a Principal Data Architect to serve as the leading technical authority for data architecture across our UK Consumer business.

This is a senior individual contributor role for a highly experienced architect who combines deep technical expertise with strong ownership, commercial pragmatism and the ability to influence across multiple teams. This is a hands-on architecture role being actively engaged from strategy and design through implementation, adoption and optimisation, helping teams make confident decisions and deliver against a shared architectural vision.

You will define the strategic direction for our data ecosystem, shaping the target-state architecture while creating a practical roadmap from today's environment. Working across cloud platforms, data products, analytics, AI and operational systems, you will ensure our architecture enables innovation, scalability, governance and business value.

Key Responsibilities

  1. Own the current-state, target-state and transition architecture for the enterprise data ecosystem.
  2. Define end-to-end architecture across data ingestion, transformation, storage, activation, analytics, AI and data products.
  3. Translate business and product objectives into scalable, secure and maintainable architectural solutions.
  4. Establish architecture principles, standards, reference patterns and governance frameworks that enable engineering teams to deliver efficiently.
  5. Lead data modelling, data governance and standards for quality, lineage, metadata, ownership and lifecycle management.
  6. Provide technical leadership across cloud data platforms and technologies including Snowflake, AWS and associated integration and orchestration tooling.
  7. Define and evolve patterns for batch, real-time, event-driven and API-based data architectures.
  8. Lead complex transformation initiatives including cloud migrations, platform modernisation, data product adoption and legacy decommissioning.
  9. Ensure architecture decisions balance scalability, resilience, security, observability, performance and cost efficiency.
  10. Influence and mentor engineers, architects and technical leaders while building strong alignment across UK and international teams.

Qualifications

  • Significant experience in Data Architecture, Data Engineering or Data Platform Architecture within large, complex organisations.
  • Proven success operating at Principal, Lead Architect or equivalent senior architecture level across multiple domains and teams.
  • Deep expertise in modern cloud data platforms, particularly AWS, Snowflake or comparable technologies.
  • Strong experience designing large-scale batch, streaming, event-driven and API-based data architectures.
  • Advanced knowledge of conceptual, logical and physical data modelling and enterprise data design.
  • Hands-on experience with modern data tooling such as dbt, Snowplow, Fivetran, orchestration platforms or equivalent technologies.
  • Experience building and governing data products, self-service platforms and domain-oriented data architectures, with a strong understanding of Data Mesh and federated governance principles.
  • Proven experience delivering large-scale data transformations, including cloud migrations, platform modernisation, legacy system retirement and operating model change.
  • Strong understanding of data security, privacy, governance, data quality, metadata, lineage, observability and data protection by design.
  • Knowledge of the data foundations required for advanced analytics, personalisation, machine learning and Generative AI, combined with excellent stakeholder management, communication and influencing skills.

Preferred Experience

  • Telecommunications, digital products, e-commerce or large-scale consumer-facing environments.

Additional Information

Benefits package includes:

  • Hybrid working - 40% office based
  • Great compensation package and discretionary bonus
  • Core benefits include Pension, Bupa healthcare, Sharesave Scheme and more
  • 25 days annual leave with 8 bank holidays and 3 volunteering days. You can purchase additional annual leave.

Our uniqueness is that we celebrate yours. Experian's people first, inclusive and purpose driven culture is multi award-winning; World's Best Workplaces™ 2025 (Fortune Global Top 25), Great Place To Work™ in 26 countries to name a few. Check out Experian Life on social or explore our Careers Site to understand why. Experian is also proud to be an Equal Opportunity and Affirmative Action employer. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Recruitment Fraud Awareness - Experian's recruitment process is conducted only through authorised channels. Recruitment communications will only be sent from an @experian.com email address. Experian will never ask candidates to make any payment as part of an application, interview, assessment, onboarding, or recruitment process. To apply for roles or verify opportunities, please visit experian.com/careers

Grade: C/EB7

Experian Careers - Creating a better tomorrow together

Posted 2026-10-18

Recommended Jobs

Quality Assurance and Audit Manager

London Borough of Havering
Romford, Greater London

With its excellent transport links into central London, extensive town centre regeneration and the highest concentration of green space anywhere in London, Havering has a unique offer as a place to l…

View Details
Posted 2026-10-03

Senior Engagement Manager

legora
London

About Us Legora is redefining how legal work gets done. Not built for lawyers, built with them. We work alongside the world’s best legal teams, who expect excellence, precision, and speed, and we …

View Details
Posted 2026-10-18

Head Coach

Jobs In. Fitness
Beckenham, Greater London

The CompanyThe company is an established multi-discipline fitness business with a strong community-focused culture and a loyal membership base. It delivers a premium training experience through small …

View Details
Posted 2026-09-27

Principal Software Engineer - Customer Platforms - London, Greater London

Marks & Spencer
London

Principal Software Engineer - Customer Platforms - London, Greater LondonEveryone is welcome at M&S. No exceptions. Its your background, abilities and differences that make you, uniquely you. And whe…

View Details
Posted 2026-10-02

Enterprise Account Executive - Dutch Speaking

Algolia
London

Enterprise Account Executive - Dutch SpeakingAlgolia is the retrieval intelligence layer that turns intent into trusted, decision-grade outcomes. Powering more than 1.7 trillion queries a year for ove…

View Details
Posted 2026-10-03

Apprentice Heavy Vehicle Technician

DENNIS EAGLE LIMITED
Croydon, Greater London

Summary Have you always had a passion for anything automotive? We are offering a fantastic opportunity for someone who has an interest in improving a range of vehicles as you will be working to br…

View Details
Posted 2026-09-30

Lead AI Tech Architect - Salesforce/CRM - London | BCG Platinion - London

Boston Consulting Group
London

Lead IT Architect - Platinion - Salesforce/CRM - London, United Kingdom Who We Are Boston Consulting Group partners with leaders in business and society to tackle their most important challenge…

View Details
Posted 2026-09-18

Full Stack Software Engineer

foundational
London

We are Foundational. Foundational is an early-stage, mission-driven startup solving one of the hardest engineering challenges of the decade: creating an exquisite, real-time understanding of Earth…

View Details
Posted 2026-10-18

Salesforce Core Leader

Global Career Website
London

About Astound Digital At Astound Digital, we are pioneers in the digital landscape, dedicated to transforming how the world interacts with technology, data, and creativity. Our role as trusted adv…

View Details
Posted 2026-10-18

Strategic Planner

dunnhumby
London

About dunnhumby dunnhumby is the global leader in Customer Data Science, helping the world's most ambitious retailers and brands put the customer at the heart of every decision. With nearly 3,000 …

View Details
Posted 2026-10-02