Data Analyst & Modeller — Hybrid Data Modeling Lead

Salt; Greater London; Hybrid; GBP 120,000 - 140,000; Full time

Job summary

Salt is seeking a Data Analyst Modeller for a 6- to 12‑month contract in Stratford, London. The role is hybrid—3 days on-site—with a focus on developing and maintaining logical data models, ER diagrams, and data mappings across a multi-system estate.

You will analyse data sources, ensure data quality, and align models with the wider data strategy. The ideal candidate has strong SQL skills, experience with data profiling, and the ability to communicate complex concepts to both technical and

Qualifications

• Strong commercial experience in data analysis and logical data modelling.
• Experience building conceptual and logical data models in multi-system environments.
• Proven ability to create ER diagrams and map data across sources.
• Good SQL skills for data profiling and validation.

Responsibilities

• Develop and maintain logical data models across products and domains.
• Create and maintain ER diagrams to define entities and relationships.
• Analyze data sources across a multi-system environment.
• Map data between existing systems and target models.
• Identify data quality issues and conflicting definitions.
• Use SQL to interrogate, profile and validate source data.
• Define data contracts and document shared concepts.
• Collaborate with data specialists to align models with strategy.
• Present models and recommendations in governance forums.
• Maintain mappings, glossaries and documentation as requirements evolve.

Skills

Data modelling

SQL

Data profiling

Stakeholder engagement

Workshops facilitation

Tools

ER diagram tools

Python

Graph databases

Job description

Salt is seeking a Data Analyst Modeller for a 6- to 12‑month contract in Stratford, London. The role is hybrid—3 days on-site—with a focus on developing and maintaining logical data models, ER diagrams, and data mappings across a multi-system estate.

You will analyse data sources, ensure data quality, and align models with the wider data strategy. The ideal candidate has strong SQL skills, experience with data profiling, and the ability to communicate complex concepts to both technical and