Lead Data Scientist — Production ML & GenAI

Northern Ireland Water Limited; Belfast; On-site; GBP 100,000 - GBP 125,000; Full time

Job summary

A leading AI and data science organization in Belfast is seeking a hands-on Lead Data Scientist. In this role, you will take ownership of complex machine learning programmes while mentoring a growing data science team. Applicants should have over 8 years of experience in data science, a strong track record in deploying ML systems, and practical experience with large language models. The position involves meaningful work, focusing on real-world AI systems rather than just dashboards.

Qualifications

• 8+ years' experience in data science, machine learning, or applied AI.
• Strong track record delivering ML systems into production.
• Experience mentoring or leading other data scientists.
• Practical experience with LLMs / GenAI.
• Background in computer vision, NLP, or statistical modelling.

Responsibilities

• Take ownership of complex ML programmes.
• Guide technical direction of projects.
• Support development of a growing data science team.
• Build and deploy real-world AI systems.

Skills

Data science

Machine learning

Applied AI

Mentorship

Computer vision

Natural Language Processing (NLP)

Statistical modelling

Large Language Models (LLMs)

Job description

A leading AI and data science organization in Belfast is seeking a hands-on Lead Data Scientist. In this role, you will take ownership of complex machine learning programmes while mentoring a growing data science team. Applicants should have over 8 years of experience in data science, a strong track record in deploying ML systems, and practical experience with large language models. The position involves meaningful work, focusing on real-world AI systems rather than just dashboards.