Senior Data Scientist

NES Fircroft; Greater London; On-site; GBP 101,000 - 148,000; Full time

Job summary

NES Fircroft is seeking a Senior Data Scientist (Contract) in the United Kingdom to lead identity resolution initiatives. You will design ML/graph-based identity systems to complement rule-based approaches and improve the customer spine by reducing identity drift.

The role focuses on defining matching-quality metrics, enabling golden-layer integration, and delivering a reusable identity-resolution framework. Experience with MDM and customer master data is essential.

Qualifications

• Entity resolution/record linkage with fuzzy matching expertise.
• ML-based identity resolution with MLOps and feature stores.
• Customer Master / MDM experience.

Responsibilities

• Build ML/graph-based identity resolution where rules aren’t enough.
• Improve customer-spine architecture and reduce identity drift.
• Define matching-quality metrics; support golden-layer integration.
• Deliver reusable identity-resolution framework.

Skills

Entity resolution

Fuzzy matching

ML-based identity resolution

MLOps

Feature stores

MDM experience

Identity matching

Job description

Senior Data Scientist (Contract) — Customer Identity & Entity Resolution

Key responsibilities:

• Build ML/graph-based identity resolution where rules aren’t enough
• Improve customer-spine architecture and reduce identity drift
• Define matching-quality metrics; support golden-layer integration
• Deliver reusable identity-resolution framework

Must-have:

• Entity resolution/record linkage + fuzzy matching
• ML-based identity resolution; MLOps; feature stores
• Customer Master/MDM experience

Nice-to-have:

• Governed identity hierarchy; matching metrics; golden layer integration

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining andManufacturingsectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.