SC-Cleared Senior Data Scientist – Entity Resolution

SR2; City Of London; On-site; GBP 120,000 - 134,000; Full time

Job summary

SR2 is seeking a Senior Data Scientist with active SC clearance to join a major government programme in London. You will work on a large-scale data matching engine, improving accuracy and performance across systems while refining matching rules and data-driven insights.

Key tech includes Python (pandas, NumPy, scikit-learn), SQL, Elasticsearch, Kubernetes, Docker, and related data-processing tools. Onsite presence is required two days per week with ASAP start.

Qualifications

• Entity resolution, record linkage or fuzzy matching experience.
• Strong Python experience, including pandas, NumPy and scikit-learn.
• Solid SQL skills and experience working with large datasets.
• Experience with Elasticsearch, Kubernetes and Docker.
• Understanding of precision, recall and false-positive optimisation.
• Exposure to Kafka, AWS, PostgreSQL, Bash, Jenkins or Ansible would be beneficial.
• Previous experience in government, defence, security or identity matching environments is advantageous.

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

Elasticsearch

Kubernetes

Docker

Precision/recall optimization

Kafka

AWS

PostgreSQL

Bash

Jenkins

Ansible

Tools

Elasticsearch

Kubernetes

Docker

Kafka

AWS

PostgreSQL

Bash

Jenkins

Ansible

Job description

SR2 is seeking a Senior Data Scientist with active SC clearance to join a major government programme in London. You will work on a large-scale data matching engine, improving accuracy and performance across systems while refining matching rules and data-driven insights.

Key tech includes Python (pandas, NumPy, scikit-learn), SQL, Elasticsearch, Kubernetes, Docker, and related data-processing tools. Onsite presence is required two days per week with ASAP start.