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Job summary

Main area
Epidemiology/Data Science
Grade
Civil Service: Grade 7
Contract
3 years (Fixed Term Appointment/Loan/Secondment until 31/03/2030)
Hours
  • Full time
  • Part time
  • Job share
  • Flexible working
37.5 hours per week
Job ref
919-TM-62129673-EXT
Employer
UK Health Security Agency
Employer type
Public (Non NHS)
Site
Core HQ
Town
Birmingham, Leeds, Liverpool, London
Salary
£56,185 - £70,566 per annum, pro rata. Additional details stated in advert.
Salary period
Yearly
Closing
06/11/2026 23:59

Employer heading

UK Health Security Agency logo

Principal Data Scientist

Civil Service: Grade 7

The UK Health Security Agency (UKHSA) prevents, prepares for and responds to infectious diseases, and environmental hazards, to keep all our communities safe, save lives and protect livelihoods.

We provide scientific and operational leadership, working with local, national and international partners to protect the public’s health and build the nation’s health security capability.

UKHSA is an executive agency, sponsored by the Department of Health and Social Care.

Job overview

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

You will work alongside other Data Scientists supporting data science and engineering products in the Health Protection Intelligence Systems and Data team. The HPISD Unit is responsible for a variety of Products and Services that support Health Protection Teams, Field Services, and others. We have four main areas of work: Health Protection Data, Health Protection Systems, Health Protection Intelligence, and the Cornerstone, as well as research enablement and translation for NIHR-funded Health Protection Research Units (HPRU), principally the HPRU on Pathogen Genomics and HPRU on Anti-microbial Resistance.

Main duties of the job

A principal data scientist is a leader of data science, quite often with responsibility for managing and developing teams. 

At this role level, you will:

-have a broad knowledge of data science techniques, use cases and potential impact, as well as the tools and technologies
-have extensive experience in scoping, designing and delivering data science outputs and products
-work collaboratively with a range of experts in support of organisational objectives
-communicate effectively and challenge delivery plans and priorities
-appreciate and understand data ethics, data preparation and manipulation
-appreciate and understand delivery methods, and how to deliver supported solutions at scale

In this team, you will:

-Maintain and develop data product tools using SQL, R, Python or other languages. Work with colleagues from across Genomics to produce innovative and reproducible data products.
-Develop scalable, innovative approaches to extract, manage, and analyse genomic data.
-Develop, manage and maintain databases and data pipelines involving ingress and egress of data from disparate systems

Project work 

-Work with and, advise across Genomics to define the scope of projects and the technical tasks within projects

Working for our 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

Detailed job description and main responsibilities

PERSONAL AND PROFESSIONAL DEVELOPMENT

-You should pursue a programme of continuous professional development in accordance with any relevant professional registration or statutory requirements, while maintaining appropriate awareness of service provider requirements 

-Identify, discuss and action own professional performance and training / development needs with your line manager through appraisal / individual development plan.  Attending internal / external training events

OTHER DUTIES

The above is only an outline of the tasks, responsibilities and outcomes required of the role. You will carry out any other duties as may reasonably be required by the Directorate.

The job description and person specification may be reviewed on an ongoing basis in accordance with the changing needs of the organisation.

This list is not exhaustive.

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. Support development of coding capability across the team.
  • Experience in wrangling, cleaning and pre-processing data in readiness for analysis, including working efficiently with large/complex datasets. Promotes best practice across the team. 
  • Designs and deploys machine learning solutions appropriate to context, selecting sound validation strategies and critiquing model limitations. Embeds responsible practices and team wide standards.
  • Lead a team of data scientists, ensuring high technical standards and professional development. Ensure effective delivery of programmes of work and manage competing demands under pressure.  
  • Construct and deliver compelling data stories using advanced data visualisation techniques, tailoring messages to business owners, senior leadership, and forums such as conferences.  
  • Mentor data scientists in best practice including software best practice; writing functions, modular code, use of git-based version control systems and embedding peer review. Ensure confidentiality issues and statutory information governance requirements are followed robustly by self and team. 
  • Well-developed problem-solving skills and user centred approach to developing solutions. Ensure evolving user requirements are translated into clear deliverable project outcomes.
  • Excellent interpersonal skills with the ability to influence, communicate, present and capture requirements from technical and non-technical stakeholders. Negotiate confidently and advocate for the value of data science within wider organisational priorities. 
  • Exercise independent judgement to set direction within remit, proactively escalating critical decisions with clear options, trade-offs and risk assessment while ensuring alignment with organisational goals.
  • Demonstrate a strong commitment to equality, diversity and inclusion. Fosters an inclusive psychologically safe team culture and addresses inequities.  
  • 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

  • Utilise a range of data sources (clinical, epidemiological environmental and socio-economic data) to support efficient management of public health incident response, operations, and for research purposes including engaging with data owners, automating bespoke pipelines, and querying and linking data.
  • Experience of using bioinformatics software and packages
  • Experience of database management and data warehousing
  • Experience of producing analytical products (e.g., software packages, automated reports, dynamic visualisations/dashboards) for decision making.
  • Experience implementing testing code and code refactoring to reduce computational timing/required resources.
  • Experience of deploying machine learning models as part of service development

Selection Process Details

This vacancy will be assessed using a competency-based framework which will assess your qualifications, knowledge and experience and / or skills and abilities outlined in the essential criteria.  

Stage 1: Application & Sift 

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)  
  • 1500 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.  

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 pile ‘Meets all essential criteria’ will proceed to shortlisting.

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 environments. Support development of coding capability across the team.

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: Interview

You will be invited to a single remote interview.

If face to face interviews are planned, in exceptional circumstances, we may be able to offer a remote interview. 

Knowledge, experience, skills & abilities will be tested at interview 

There will be a Technical Test to confirm programming aptitude.

Interviews dates to be confirmed.

Once this job has closed, the job advert will no longer be available. You may want to save a copy for your records.

Location

This role is being offered as hybrid working based at any of our Core HQs. Please note, travel to our Core HQ in Canary Wharf may be required.

We offer great flexible working opportunities at UKHSA and operate using a hybrid working model where business needs allow. This provides us with greater flexibility about how and where we work, to get the best from our workforce. As a hybrid worker, you will be expected to spend a minimum of 60% of your contractual working hours (approximately 3 days a week pro rata, (averaged over a month) working at one of UKHSA's core HQs (Birmingham, Leeds, Liverpool, and London). Our core HQ offices are modern and newly refurbished with excellent city centre transport links and benefit from co-location with other government departments such as the Department for Health and Social Care (DHSC).

Security Clearance Level Requirement 

Successful candidates must pass a basic disclosure and barring security check before they can be appointed.

Successful candidates must meet the security requirements before they can be appointed. The level of security needed is Baseline Personnel Security Standard.

Eligibility Criteria

External: Open to all external applicants (anyone) from outside the Civil Service (including internal applicants). 

Salary Information

If you are successful at interview, and are moving from another government department, NHS, or Local Authority, the relevant starting salary principles for level transfers or promotions will apply. Otherwise, roles are offered at the pay scale minimum for the grade, but in exceptional circumstances there may be flexibility if you are able to demonstrate you are already in receipt of an existing, higher salary. Pay increases are through the relevant annual pay award for the role and terms.

Grade 7:

  • £56,185- £66,581 (National)
  • £58,340- £68,574 (Outer London)
  • £60,494- £70,566 (Inner London)

Person specification

Application form and supporting statement

Essential criteria
  • Application form and supporting statement

Essential Criteria

Essential criteria
  • Questions on Experience, Knowledge and Skills

Interview - Technical Test

Essential criteria
  • Technical Test

Employer certification / accreditation badges

Purple SpaceApprenticeships logoNo smoking policyAge positiveImproving working livesMindful employer.  Being positive about mental health.Disability confident employerThe Employers Network for Equality & Inclusion (enei) is the UK's leading employer network covering all aspects of equality and inclusion issues in the workplace.Carer Confident -AccomplishedHappy to Talk Flexible Working

Documents to download

Apply online now

Further details / informal visits contact

Name
Timor Miakhel
Job title
Resourcing Support
Email address
[email protected]
Additional information

For further information relating to the role please contact [email protected]

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