Senior Data Scientist - SC Cleared, Defence AI

Talantir; Greater London; On-site; GBP 104,000 - 127,000; Full time

Job summary

Talantir is seeking a Senior Data Scientist (SC Cleared) to lead and deliver cutting-edge AI/ML solutions for clients across the UK defence and public sector. The role is hands-on and strategic, combining data science with client delivery and software product design.

The position requires senior experience in data science, proficiency in Python and core libraries, and a strong mathematical background. Travel up to 3 days per week is expected; British citizenship and SC clearance are mandatory.

Qualifications

• Senior-level experience in data science or a quantitative field.
• Proficient in Python and core data science libraries.
• Experience leading data science teams and delivering complex projects.

Responsibilities

• Lead technical project delivery and shape data science strategy across multiple client engagements.
• Define and implement bespoke machine learning algorithms to solve defence problems.
• Guide technical scoping and planning with stakeholders for feasibility and impact.
• Mentor and support other data scientists across project teams.
• Contribute to the wider data science community via open-source projects, public speaking, or technical training.
• Collaborate with software engineers, product teams, and designers to inform secure, deployable AI solutions.

Skills

Python

NumPy/Pandas/Scikit-Learn

Deep learning (PyTorch/TensorFlow)

Statistics/mathematics

Communication with stakeholders

Team leadership

Security clearance (SC)

Education

Advanced degree in Data Science/Math/IT

Tools

Git

Linux

Job description

Talantir is seeking a Senior Data Scientist (SC Cleared) to lead and deliver cutting-edge AI/ML solutions for clients across the UK defence and public sector. The role is hands-on and strategic, combining data science with client delivery and software product design.

The position requires senior experience in data science, proficiency in Python and core libraries, and a strong mathematical background. Travel up to 3 days per week is expected; British citizenship and SC clearance are mandatory.