Data Scientist - Artificial Intelligence | UK Public Sector in City of Westminster

As a Consulting Data Scientist, you will play a key role in the design, development, and deployment of Artificial Intelligence solutions across a range of client engagements.

Working as part of IBM Consulting's Hybrid Cloud & Data practice, you'll help clients unlock value from modern AI technologies, combining data science, machine learning, Generative AI, and Large Language Models to solve complex business challenges across public sector, financial services, and regulated industries.

You will work closely with stakeholders, architects, engineers, and platform teams to translate business problems into production-ready AI solutions, balancing innovation with security, governance, and measurable business outcomes.

• Core Responsibilities
• Design, develop, and deploy AI and Data Science solutions across multiple client engagements
• Deliver Generative AI use cases, including retrieval-augmented generation (RAG), semantic search, knowledge retrieval, agentic AI workflows, and LLM-powered applications
• Apply machine learning and statistical techniques to structured and unstructured data where appropriate
• Evaluate, fine-tune, and optimise AI solutions for performance, reliability, cost, and business value
• Translate ambiguous business requirements into clear analytical and AI use cases
• Conduct exploratory analysis, feature engineering, model development, evaluation, and validation activities
• Partner with Data Engineers, Architects, Product Owners, and stakeholders throughout the delivery lifecycle
• Support the operationalisation of AI solutions through APIs, cloud platforms, MLOps, and downstream integration patterns
• Provide technical leadership and mentoring to junior practitioners
• Contribute to AI best practices, governance, responsible AI adoption, and continuous improvement initiatives
• Strong proficiency in Python and experience with modern Data Science and Machine Learning libraries (e. g. Pandas, Num Py, scikit-learn, Py Torch, Tensor Flow)
• Practical experience designing and delivering AI or Machine Learning solutions within a commercial, consulting, or enterprise environment
• Hands-on experience with Generative AI technologies, including one or more of:
• Large Language Models (LLMs)
• Retrieval-Augmented Generation (RAG)
• Agentic AI workflows
• Embeddings and Semantic Search
• Prompt Engineering
• AI Evaluation Frameworks Experience working with LLM APIs and AI ecosystems such as Open AI, Anthropic, Azure Open AI, Lang Chain, Lang Graph, DSPy, or similar technologies
• Experience working with cloud platforms such as AWS, Azure, or GCP
• Strong understanding of model evaluation, experimentation, data quality, and AI governance considerations
• Excellent communication and stakeholder engagement skills, with the ability to explain complex technical concepts to non-technical audiences
• Proven experience delivering solutions end-to-end, from discovery through to deployment and adoption
• This role is subject to pre-employment screening in line with the UK Government's Baseline Personnel Security Standard (BPSS).

An additional range of Personal Security Controls referred to as National Security Vetting (NVS) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV)

• Preferred technical and professional experience
• Experience deploying and operationalising AI solutions in production environments
• Experience with vector databases, knowledge graphs, Graph RAG, entity resolution, recommendation systems, or semantic retrieval architectures
• Experience with MLOps, model monitoring, observability, and AI platform engineering
• Experience working within regulated or high-assurance environments, including Public Sector, Defence, Financial Services, or Critical National Infrastructure
• Experience contributing to AI governance, responsible AI, model risk management, or security-related controls
• Familiarity with SQL and modern data platforms such as Databricks, Fabric, Snowflake, Synapse, or equivalent cloud-native analytics environments
• Active UK Security Clearance.

At IBM Consulting UK Future Now, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.

• Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
• More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group pension plan through salary sacrifice.

You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that create real business impact.

From day one, you'll work on meaningful, high profile programmes that stretch your skills and accelerate your growth.

We invest heavily in you--supporting continuous learning, in demand skills development, and long term career progression.

You'll thrive in a flexible, inclusive environment that values curiosity, encourages reinvention, and recognises what makes you unique.

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