Data Architect (Data Migration)
Data Architect (Data Migration)
- Temporary
- Closing on: Dec 22 2025
- Competitive
We want to maximise the potential of everyone who chooses to work for us. We offer a great work life balance. You have the opportunity to work at any of our brand-new Regional Centres and to also work remotely. Contracts vary in length dependent upon the project with the possibility to extend.
Your time spent with us short or long term will be invaluable - your skills and expertise are needed to deliver the largest digital and transformation projects in Government. There really couldn’t be a better time to join HMRC for your new contract opportunity!
We are looking for a Data Architect who specialises in large scale data migration projects.
We require a specialist Data Architect to supplement internal capacity to assist the Chief Data Architect in accelerating data standards on the large bulk migration of data from the legacy Self-Assessment Tax System (CESA) to Enterprise Tax Management Platform (ETMP) requiring data mapping, transformation and discussions and agreements with the business on how the data should be presented / used in the target solution. Successful Discovery and Design phases are critical for setting the programme’s direction and require deep expertise in data, systems, user needs, and service design.
You will work closely with the Business Analysts and stakeholders across HMRC to define data requirements for the commercial exercise, assess existing and emerging tooling, and accelerate the establishment of enterprise data standards.
HMRC is improving the position of its technical health (including across security, resilience, and performance) and focusing on its most critical IT. A core focus is to deliver the strategic objective, Reforming and modernising the tax and customs system, ensuring we deliver the services our customers expect, whether they are individuals, businesses, or agents.
Key Responsibilities
- Support the discovery and design phases of the bulk migration of data to the strategic Enterprise Tax Management Platform (ETMP).
- Collaborate with technical and non-technical stakeholders to ensure requirements are incorporated into the migration plan and the plan is understood.
- Develop conceptual, logical, and physical data models for HMRC systems, ensuring models support integration, scalability, and performance.
- Lead and support the Business Analysts mapping the data and develop a realistic data migration to deliver within cost, time and risk appetite.
- Ensure compliance with HMRC data policies and standards and take responsibility for assurance of data solutions and recommend improvements.
Essential Skills and Experience
- DDAT role
- Proven experience in data architecture, ideally within large-scale public sector or enterprise environments.
- Strong understanding of data management, data standards, and entity modelling.
- Experience of successfully migrating complex legacy data to best practice strategic solutions.
- Ability to work collaboratively across technical and business teams.
Desirable
- TOGAF or DAMA (for architecture and data management)
- Cloud Certifications (AWS, Azure, GCP for migration projects)
Our Values
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, sex, gender, gender expression, sexual orientation, age, marital status or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact your designated recruiter to request accommodation.
