Senior/Principal Data Modeller

Senior Data Modeller / Principal Data Modeller

London - Hybrid (3 Days in Office)

Salary: Up to £90,000

This is an exciting opportunity to join a high-growth consultancy environment where you will shape data modelling standards, influence enterprise-level design, and work directly with senior stakeholders across complex financial services programmes. If you enjoy combining hands-on modelling with broader architectural thinking, this role offers significant impact and clear progression.

The Company

They are a well-established consulting firm with a strong footprint across financial services and energy. Their data capability exceeds 300 specialists, and their Data Architecture function is known for delivering high-quality modelling, strategy and metadata solutions across large-scale transformation programmes. They operate in a collaborative, low-ego environment where expertise is valued and career progression is structured and transparent.

The Role

As a Senior or Principal Data Modeller, you will:

• Lead and deliver hands-on data modelling across complex programmes.
• Design relational and dimensional models for transactional, analytical and enterprise environments.
• Define modelling frameworks, standards, and guardrails for large transformations such as migrations.
• Shape and document metadata, lineage, catalogues and source-to-target mapping.
• Contribute to ETL design and data movement patterns across platforms.
• Work with JSON, XML, Parquet and other semi-structured formats used across financial systems.
• Engage senior stakeholders and guide best practice within multidisciplinary teams.
• Principal level: provide thought leadership, support revenue activity and lead client-facing presentations.

Your Skills and Experience

You will be a strong fit if you can demonstrate:

• Deep commercial experience in hands-on data modelling (relational and dimensional).
• Ability to design logical and physical data models and explain modelling decisions to stakeholders.
• Experience working in consulting, financial services, or energy environments.
• Capability in ERWin or similar modelling tools such as Sparx, RSA, Visio or related platforms.
• Understanding of ETL flows, metadata management and how data is structured for AI, ML, BI and analytics use cases.
• Comfort operating in client-facing settings and contributing to delivery outcomes.
• Principal level: additional experience in leadership, client development or shaping solution direction.

What They Offer

• Exposure to major financial services organisations and high-impact data programmes.
• Supportive culture with ongoing learning and a strong data community.

How to Apply

If you are interested in this Senior or Principal Data Modeller position, please apply with your CV and we will be in touch soon.