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# Senior Data Scientist

- **Company:** Sirius Analysis Limited
- **Location:** Portsmouth, UK
- **Experience:** Expert
- **Salary:** £15,000.0 - £20,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Computer Vision, Python (Programming Language), Machine Learning, NumPy, Standard Sql, Software Engineering, Unstructured Data, Pytorch, Flask (Web Framework), Large Language Models, Git, Fastapi, SC Clearance, Pandas, Matplotlib, Scikit Learn, Data Analytics, Plotly, Machine Learning Operations, Virtual Agents, Streamlit Framework, Docker
- **Published:** September 23, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5893861570

## About the Role

* We are looking for a Senior Data Scientist with 5 years of experience, including taking AI/ML projects into production.
 * We need someone who can understand, describe and apply a range of data science techniques to real-world problems.
 * We need experience in managing data and implementing data science processes.
 * We need experience translating customer requirements into technical requirements and development objectives.
 * We need strong Python expertise, including NumPy, pandas, matplotlib, Scikit-learn, PyTorch, Flask or FastAPI, and visualisation tools such as Dash, Plotly and Streamlit.
 * We need proficiency in SQL.
 * We need experience working with unstructured data.
 * We need the ability to build customer and stakeholder relationships.
 * We need experience supporting and leading technical report writing and presenting to customers.
 * We need a willingness to travel across the UK and work away from home for periods of time.
 * We need knowledge of software engineering principles, including git, docker and TTD.
 * We prefer experience with secure, air-gapped systems.
 * We would love a strong STEM or computing background.
 * We would value knowledge and understanding of UK Defence.
 * We would value experience in one or more of LLMs, RAG, Agentic AI such as LangGraph, Computer Vision, or AI for audio and speech.
 * Candidates must have an existing right to live and work in the UK.
 * Candidates must be willing to undergo an internal baseline personnel security standard check before starting.
 * Candidates must be willing and eligible to complete UK Security Vetting at Security Check level upon starting.
 * To gain SC clearance, candidates normally need at least 5 years of UK residency.

## Description

* We lead and deliver technical consulting projects.
 * We develop and deliver AI and ML solutions using a range of techniques, including ML, NLP and LLMs, to tackle real-world problems.
 * We apply tools and techniques and develop novel approaches where required.
 * We build new relationships and maintain current customer relationships.
 * We assess, analyse and meet client-specific needs across a diverse range of industries, including the UK MOD.
 * We design solutions for complex challenges.
 * We integrate code with software engineers.
 * We provide advice around innovation and new techniques to stakeholders.
 * We author technical reports and present findings to customers.

Technologies:

 * Agentic AI
 * AI
 * Computer Vision
 * Docker
 * FastAPI
 * Flask
 * Git
 * PyTorch
 * Python
 * RAG
 * SQL
 * Security
 * numpy
 * pandas
 * Support
 * Machine Learning
 * Web


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