SC Cleared Senior Data Scientist — Data Matching

SR2 REC LTD; Greater London; Hybrid; GBP 111,000 - 129,000; Full time

Job summary

SR2 REC LTD is seeking a Senior Data Scientist with active SC clearance to join a government programme in London. You will work on a large-scale data matching engine, improving accuracy, performance, and rule refinement across multiple systems.

The role focuses on entity resolution, data matching, and delivering production-ready improvements, collaborating with engineering teams and performance testing to optimise operations.

Qualifications

• Active SC clearance required for security role.
• Experience with data matching and entity resolution.
• Strong Python (pandas, NumPy, scikit-learn) experience.
• Solid SQL skills with large datasets.
• Experience with Elasticsearch, Kubernetes and Docker.
• Familiarity with data privacy and security controls.

Responsibilities

• Analyse and optimise entity resolution and data matching performance.
• Refine, test and implement matching rules using data-driven insights.
• Improve matching accuracy, precision and recall.
• Work closely with engineering teams to deliver improvements into production.
• Support performance testing and ongoing optimisation.

Skills

Entity resolution

Fuzzy matching

Python

pandas

NumPy

scikit-learn

SQL

Precision recall

Elasticsearch

Kubernetes

Docker

Kafka

AWS

PostgreSQL

Bash

Jenkins/Ansible

Tools

Elasticsearch

Kubernetes

Docker

Kafka

AWS

PostgreSQL

Bash

Jenkins

Ansible

Job description

SR2 REC LTD is seeking a Senior Data Scientist with active SC clearance to join a government programme in London. You will work on a large-scale data matching engine, improving accuracy, performance, and rule refinement across multiple systems.

The role focuses on entity resolution, data matching, and delivering production-ready improvements, collaborating with engineering teams and performance testing to optimise operations.