Senior Data Scientist

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Base pay range

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Senior Data Scientist – Defence & National Security | £80,000 – £100,000 + Benefits

Hybrid: 2–3 Days/Week in Hereford

Eligibility: SC Cleared or Eligible (British Nationals Only – No Dual Nationality)

A leading AI consultancy, recognised for its work across national security and defence, is seeking a Senior Data Scientist to lead high-impact projects in support of mission-critical outcomes. Working on-site with a major customer in the Hereford area, this is a unique opportunity to apply cutting-edge machine learning techniques to some of the UK’s most complex and sensitive challenges.

This role is ideal for data scientists who bring both technical depth and strong leadership capability — able to design production-grade ML systems, mentor teams, and shape engagements from initial scoping through to deployment.

The Role:

• Lead end-to-end data science projects from early discovery through to production implementation.

• Build bespoke models using a range of techniques (e.g. supervised/unsupervised learning, Bayesian inference, time-series analysis, NLP).

• Collaborate with engineers and commercial teams to shape deliverables and technical approach.

• Provide technical mentorship and guidance to data scientists within your team.

• Contribute to internal knowledge-sharing and external thought leadership where appropriate.

What You’ll Bring:

• Senior-level experience in data science or a quantitative academic background.

• Strong Python programming skills and experience with data science libraries (e.g. NumPy, Pandas, Scikit-Learn).

• Familiarity with at least one deep learning framework (e.g. PyTorch, TensorFlow).

• Excellent grasp of core statistical and machine learning methods.

• Ability to communicate technical concepts clearly to stakeholders and clients.

• Proven leadership skills within delivery-focused teams.

• Working in secure environments or on defence/national security projects.

• Strong understanding of data engineering or APIs.

• Experience defining project scope and technical feasibility in a client-facing setting.

Benefits Include:

• Competitive salary between £80,000 – £100,000

• Company pension scheme

• Flexible, hybrid working model

• Learning and development opportunities

Important: You must be a sole British national (no dual nationality) and either hold active SC clearance or be eligible to obtain it.

For further information, feel free to reach me at , or simply apply!

Reference: AMC/RKI

Seniority level

• Seniority levelMid-Senior level

Employment type

• Employment typeFull-time

Job function

• Job functionEngineering, Information Technology, and Consulting
• IndustriesDefense and Space Manufacturing, Data Infrastructure and Analytics, and IT Services and IT Consulting

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