Senior Data Scientist

Salary: £30,000 - 60,000 per year

Requirements:

• We require a degree (BSc, MSc or PhD) in a quantitative or scientific discipline such as computer science, mathematics, physics or engineering.
• We require several years experience working as a Data Scientist or in a closely related role.
• We require expert knowledge of machine learning, AI and statistical methods, applied across domains such as NLP, computer vision, audio, graphs, time-series or tabular data.
• We require strong Python skills and experience with common libraries such as pandas, NumPy, scikit-learn, PyTorch, Transformers, statsmodels and PyMC.
• We require understanding of software engineering and ML best practices, including version control, packaging and model deployment.
• We require experience training and deploying models using cloud platforms, particularly AWS.
• We require the ability to communicate complex ideas clearly to both technical and non-technical audiences.
• We require commitment to high-quality, ethical and robust scientific work.
• We require awareness of ethical, privacy, security and policy considerations in applied AI.
• We prefer hands-on experience with AWS services such as Lambda, ECS, S3, SageMaker or Bedrock.
• We prefer knowledge of ML engineering and MLOps practices such as Docker and MLflow.
• We prefer experience working in government, defence or other highly regulated environments.
• We prefer proven application of large language models (LLMs) to real-world problems.
• We require UK Security Clearance, or eligibility and willingness to undergo the vetting process.

Responsibilities:

• We act as a senior technical authority for AI and data science, contributing expertise across projects, bids and stakeholder discussions.
• We lead and deliver complex machine learning and AI projects in collaboration with ML engineers, delivery teams and customers.
• We engage with users to define requirements, scope AI use cases and develop realistic delivery plans.
• We support the design, development and deployment of models within AWS cloud environments.
• We contribute to written proposals and bid responses, including research into relevant academic and industry literature.
• We present technical findings and insights to internal teams and external stakeholders.
• We mentor junior data scientists and graduates, supporting capability growth.
• We promote AI knowledge across multidisciplinary teams and represent the organisation through blogs, events and conferences.
• We work across a range of government and national security clients, spanning defence, space and public sector organisations.
• We apply advanced AI, machine learning and statistical techniques across diverse data types including text, images, audio, video, graphs, time-series and geospatial data.

Technologies:

• AI
• AWS
• Lambda
• Cloud
• Computer Vision
• Docker
• Support
• Machine Learning
• MLflow
• MLOps
• PyTorch
• Python
• Security
• numpy
• pandas

More:

We are offering an exciting permanent opportunity for an experienced Senior Data Scientist based onsite in Central London, Greater London, with a salary of 65,000 GBP. You will join our specialist AI and data science team supporting government and national security clients, delivering exploratory research, advanced analytics, bespoke AI solutions and large-scale data platforms on complex and sensitive datasets. This role combines hands-on technical delivery with customer engagement, thought leadership and mentoring, and provides the chance to contribute to high-impact digital solutions that support the safety and security of the UK.

last updated 36 week of 2026