Senior Data Engineer (Sponsorship Available) At Guy’s and St Thomas’ NHS Foundation Trust
Employer: Guy’s and St Thomas’ NHS Foundation Trust
Job Title: Senior Data Engineer
Location: London, United Kingdom
Salary: £64,156 to £71,148 a year
Job Type: Full-time
The closing date is: 22 February 2026
Job Summary
This is an exciting opportunity to join a leading health data engineering team, based at GSTT, but operating across the wider region as part of the AI Centre for Value-Based Healthcare.
Guy’s and St Thomas’ NHS Foundation Trust is looking for a motivated individual with excellent data engineering skills, with enthusiasm and passion to learn.
The successful applicant will use a professional tool stack (including Snowflake, SQL, dbt, Python, and Natural Language Processing/Language AI tools) for building and orchestrating data pipelines, from source systems to analyst ready marts which will be used in clinical analytics, research, population health, and to support Real-World Data functions.
The postholder will work closely with a range of key stakeholders across GSTT and other NHS Trusts (including Lewisham and Greenwich, King’s College Hospital, and others).
Main Duties of the Job
In this role, you will be expected to develop modern data pipelines built to production standards (using Snowflake / SQL / dbt / Python) to harmonise data from highly complex transactional data, including from Cerner and Epic systems. You will be responsible for owning pipeline functions, and regularly engaging with data product end-users to update and improve functionality. Understanding of clinical data quality, best practices in testing and monitoring, and ability to build visualisation applications, are all highly desirable.
Your work will be the foundation for a wide variety of valuable use-cases, from clinical care to research, and from audit to innovation and AI projects.
You will have the opportunity to deploy Large Language Model and NLP tooling orchestration frameworks as part of standard data transformation pipelines, for extracting information from unstructured free text.
You will be supported in continuing personal development within a friendly and highly expert team, particular in areas such as data orchestration, cloud infrastructure, and continuous integration/deployment. There will also be opportunity to mentor and supervise more junior technical staff.
Job Responsibilities
Developing modern data pipelines built to production standards, that harmonises data from highly complex transactional data, including from Cerner and Epic systems
Designing and building data products that serve frequent end-user needs across clinical analytics, research, and population health
Develop pipelines that drive value for a wide range of end-user stakeholders, including clinicians, researchers, delivery teams, and population health analysts
To use expertise in data modelling and health data to build deep insights into health data quality, including implementing tests and real-time monitoring, and producing impactful visualisations and reports
Lead collaborations with multi-disciplinary teams to discover and extract data from new sources
Co-ordinate and support local analysts to ensure alignment on projects and timelines
Develop, deploy, and maintain Large Language Model and NLP tooling orchestration frameworks as part of standard data transformation pipelines, for extracting information from unstructured free text
Contribute to a culture of shared learning, and support capability building around engineering and analytics within the team
To use understanding of health data to act as subject matter expert for other teams
Help to scale exemplar product solutions across other NHS Trusts
Conduct stakeholder presentations and help to produce materials that support engagement across the Trust and the wider region
Essential Criteria
Proficient in SQL for data engineering and analytics
Experience of using dbt
Experience of EHR data and its meaning in clinical contexts
Experience with best development practices, CI, and tools such as git
Desirable Criteria
Experience in Snowflake or other cloud platforms
Proficiency in Python
Experience of NLP / LLM usage in production settings
Experience in data pipeline orchestration
About Guy’s and St Thomas’ NHS Foundation Trust
The AI, Data & Digital Innovation directorate is made up of data and technology experts – based in GSTT but working closely as a team with KCH and KCL.
The team forms part of the Artificial Intelligence Centre for Value-Based Healthcare – a consortium of NHS, academic, and industry partners from across the UK. This consortium offers expert professional technical delivery across data engineering, data science & AI development, and software engineering. Programmes include region-wide infrastructure delivery of cloud and federated platforms, multi-modal Real-World Data engineering, foundation model development, and development of different Language AI solutions.
Person Specification
Education, Qualifications, and Training
Essential
Educated to degree level, or equivalent experience of working in a complex organisation
Evidence of continuing professional development
Desirable
Clinical experience
Technical degree (e.g. computer / data science)
Previous Experience
Essential
Extensive experience in technical roles involving health data engineering
Highly developed understanding of NHS
Extensive experience working in a delivery setting, including conducting end-user engagement
Strong track record of effective written and spoken communication
Extensive experience working in large complex organisations, including in a health data or health technology environment
Knowledge and understanding of risk management and mitigation strategies in technical projects
Knowledge of EHR systems and processes within healthcare
Desirable
Previous experience working in, or collaborating with, academia in high impact and multi-institutional settings
Knowledge of sprint methodologies
Technical Skills
Essential
Substantial Medical/healthcare data experience
Expert SQL proficiency
Proficiency in dbt
Exceptional analytical, problem-solving, and judgement skills
Detailed understanding of reproducible code and software development / CI/CD practices
Desirable
Proficiency with Snowflake
Proficiency with Python
Epic / Cerner data experience
Skills in advanced data visualisation / presentation / frontend tools
Disclosure and Barring Service Check
This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will be necessary for a submission for Disclosure to be made to the Disclosure and Barring Service (formerly known as CRB) to check for any previous criminal convictions.
Certificate of Sponsorship
Applications from job seekers who require current Skilled worker sponsorship to work in the UK are welcome and will be considered alongside all other applications
How to Apply
If this opportunity interests you, head to the company’s official website for full details — click here to submit your application.