UK Health Security Agency
Senior Data Scientist (FTC)
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Office/Lab Based Role at Scientific Campus, Colindale
Based at our scientific campus, you will be required to have a Counter Terrorism Check security vetting check as a minimum. For meaningful National Security Vetting checks to be carried out individuals need to have lived in the UK for a sufficient period of time. You should normally have been resident in the United Kingdom for the last 3 years as the role requires Counter Terrorism Check (CTC) clearance. In exceptional circumstances UK residency less than the outlined periods may not necessarily bar you from gaining national security vetting and applicants should contact the Vacancy Holder/Recruiting Manager listed in the advert for further advice.
Job Summary
Data science is a broad and fast-moving field spanning maths, statistics, software engineering and communications. Data scientists will often work as part of a multidisciplinary team, using data and analytics to inform and achieve organisational goals.
In This Role, You Will:
- be inquisitive
- explore and visualise data
- make recommendations to address complex problems and to inform strategic and operational decision making
- use data ethically and appropriately
- be innovative and adaptable
- explore existing and new data using a range of statistical tools and techniques, such as machine learning and predictive analytics
- find patterns in data and transform them into organisational insight
At UKHSA we recruit to a standardised job descriptions for data scientists. We are currently hiring to the following role:
In the Emerging Infection and Zoonoses team which is within the Travel, acute respiratory, zoonoses and emerging infections and Tuberculosis (TARZET) Division of the UKHSA Clinical and Public Health Group.
Working for your organisation
We pride ourselves as being an employer of choice, where Everyone Matters promoting equality of opportunity to actively encourage applications from everyone, including groups currently underrepresented in our workforce.
UKHSA ethos is to be an inclusive organisation for all our staff and stakeholders. To create, nurture and sustain an inclusive culture, where differences drive innovative solutions to meet the needs of our workforce and wider communities. We do this through celebrating and protecting differences by removing barriers and promoting equity and equality of opportunity for all.
Please visit our careers site for more information https://gov.uk/ukhsa/careers
Job Description
A senior data scientist will work independently and have a good understanding of a range of topics, including data science techniques, delivery methods and stages (such as minimal viable products), tools and technologies.
At This Role Level, You Will:
- develop complex solutions using a range of data science techniques, whilst understanding any ethical considerations
- understand the role and benefits of data science within the organisation
- support capability building within the organisation
- collaborate with others to develop data science solutions and outputs supporting the organisation
- prepare and manipulate data, and perform complex analytics
- present and communicate effectively
In This Team, You Will:
Emerging Infection and Zoonoses team - FTA
- Identify and scope technical solutions for divisional surveillance and reporting activities.
- Work with scientific, clinical and analytical teams to deliver secure, scalable products.
A senior data scientist will work independently and have a good understanding of a range of topics, including data science techniques, delivery methods and stages (such as minimal viable products), tools and technologies.
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In This Team, You Will:
Emerging Infection and Zoonoses team - FTA
- Identify and scope technical solutions for divisional surveillance and reporting activities.
- Work with scientific, clinical and analytical teams to deliver secure, scalable products.
Person specification
Essential Criteria
- Strong proficiency applying analytical and statistical techniques across real-world codebases; practitioner level in SQL and in Python and/or R with fluency in Git-based workflows (branching, code review) testing and reproducible environments.
- Experience in wrangling, cleaning and preprocessing data in readiness for analysis, including working efficiently with large/complex datasets.
- Applied understanding of machine learning approaches (regression, classification, clustering), selecting suitable validation strategies (train/validation/test, cross-validation) and evaluating performance using appropriate metrics (e.g. precision, recall, F1, ROC-AUC) while addressing issues such as imbalance and leakage.
- Working independently and in collaboration with others to deliver multiple concurrent projects, managing scope, risks and dependencies and contributing to team practices (e.g. agile, code reviews, documentation).
- Highly proficient organisational skills with the ability to prioritise, schedule and re-plan to meet tight deadlines. Produces clear technical and non-technical documentation and keep accurate project records.
- Ability to construct and effectively communicate persuasive data stories using fit-for-purpose visualisation with clear narrative, communicating uncertainty, assumptions, caveats and limitations of the data.
- Solid understanding of quality assurance, data validity, reliability and confidentiality issues and statutory information governance requirements.
- Well-developed problem-solving skills and a flexible approach to developing solutions including stages between user requirements to product delivery.
- Excellent interpersonal skills with the ability to influence, communicate, present and capture requirements from technical and non-technical stakeholders.
- Make sound, evidence-based decisions within remit; escalates appropriately with well-reasoned options and recommendations.
- A first- or second-class honours degree in a numerate discipline, computer science or IT equivalent which demonstrates core statistical skills.
- OR have worked in a statistical/data science field and are able to demonstrate continuous professional development in statistics/data science at the same level as a foundation degree/HND (Level 5)
Desirable Criteria:
- Understanding of public health and healthcare intelligence, including surveillance, needs assessment, audit, and commissioning support.
- Experience using clinical, epidemiological, environmental, and socio-economic data for public health incident response and research, including data acquisition, linkage, querying, and automated pipelines.
- Strong understanding of epidemiology, including transmission dynamics, surveillance methods, sampling design, bias, and confounding.
- Experience or interest in bioinformatics, pathogen genomics, and molecular epidemiology.
- Experience producing analytical products such as software tools, automated reports, dashboards, and visualisations to support decision-making.
- Experience applying generative AI techniques, including LLMs and RAG.
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Salary Information
Alongside your salary of £46,310, UK Health Security Agency contributes £13,416 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides opens in a new window.
Learning and development tailored to your role
- An environment with flexible working options
- A culture encouraging inclusion and diversity
- A Civil Service pension with an employer contribution of 28.97%
Artificial intelligence
Artificial intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance opens in a new window for more information on appropriate and inappropriate use.
Selection process details
This vacancy is using Civil Service behaviours (part of Success Profiles) and the Government Digital and Data Profession Framework for Data Science
Stage 1: Application & Sift
Success Profiles - GOV.UK
You will be required to complete an application form. You will be assessed on the listed (12) essential criteria, and this will be in the form of a:
Application form (‘Employer/ Activity history’ section on the application) 1250 word supporting statement
This should outline how you consider your skills, experience and knowledge provide evidence of your suitability for the role, with reference to the essential criteria.
You will receive a joint score for your application form and statement. (The application form is the kind of information you would put into your C.V –please be advised you will not be able to upload your CV. Please complete the application form in as much detail as possible). Please do not email us your CV.
Healthjobs UK has a word limit of 1500, but your supporting statement must be no more than 1250 words. We will not consider any words over 1250 words.
Longlisting:
In the event of a large number of applications we will longlist into 3 piles of:
Meets all essential criteria Meets some essential criteria Meets no essential criteria
If Used, The Following Will proceed to Shortlisting:
Meets all essential criteria Meets some essential criteria
Shortlisting:
In the event of a large number of applications we may conduct an initial sift, on the lead criteria of
Strong proficiency applying analytical and statistical techniques across real-world codebases; practitioner level in SQL and in Python and/or R with fluency in Git-based workflows (branching, code review) testing and reproducible environment will be conducted.
Desirable criteria may be used in the event of a large number of applications/large amount of successful candidates.
If you are successful at this stage, you will progress to interview & assessment.
Feedback will not be provided at this stage.
Stage 2: Technical Assessment
You will be invited to remote Technical Test. Technical Tests will be held week commencing 28th September 2026, please note these dates are subject to change.
You will be
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