Principal Enterprise Architect - Companies House - G7
Government Digital & Data -
Full-time (Permanent)
£58,531 - £83,136
Published on
5 May 2026
Deadline
17 May 2026
Locations: Cardiff or Edinburgh
As Principal Enterprise Architect (Data), you’ll play a leading role in shaping how trusted company data is designed, governed and reused at national scale, supporting services accessed by millions of users every day.
This is a senior technical leadership role where your decisions will directly influence:
- How data is treated as a core enterprise asset
- How legacy and modern systems work together
- How trust, interoperability and reuse are built into data by design
What you’ll be doing
As Principal Enterprise Architect (Data), you will:
- Set the enterprise‑level direction for data architecture and strategy
- Define and govern data models, standards and integration approaches
- Design architectures that work across legacy systems, cloud platforms and third‑party services
- Act as the authoritative voice on enterprise data, providing assurance and guidance across programmes and projects
- Enable secure, trusted and reusable data across the organisation
- Work closely with architects, delivery teams and senior stakeholders to reduce risk and improve data quality
- Influence long‑term transformation while supporting immediate delivery needs
Your technical impact
You’ll lead work across:
- Enterprise and domain data modelling
- Canonical data definitions and integration patterns
- Data governance, quality, ownership and lifecycle management
- APIs, distributed services and interoperability
- Secure handling of personal and sensitive data
- Alignment with legal, regulatory and policy requirements
You’ll also provide specialist advice on:
- Data migrations and legacy transformation
- Platform and tooling decisions
- Enterprise standards and architectural assurance
Who this role is for
This role would suit an experienced enterprise or senior data architect who:
- Has worked in complex, large‑scale environments
- Is confident setting direction and making architectural decisions
- Can influence senior stakeholders and explain complexity clearly
- Balances delivery needs with long‑term architectural vision
Experience with professional architecture qualifications and cloud data certifications is welcome.
Important information
- Security Clearance (SC) is required
- You must have lived in the UK for at least 3 of the last 5 years
Apply now
View the full job description and apply via Civil Service Jobs
Related Posts
More jobs at Government Digital & Data
Interaction Designer - GDS
Full-time (Permanent)
Test Engineer - GDS - SEO
£46,725 - £50,220 (London) / £42,893 - £45,653 (National) plus additional allowance
Full-time (Permanent)
Senior Interaction Designer Intellectual Property Office -
Full-time (Permanent)
Senior Interaction Designer Intellectual Property Office - sE
Full-time (Permanent)
Infrastructure Hosting Engineer - Health and Safety Executive - HEO
£38,005 - £41,065
Full-time (Permanent)
Lead Test Engineer - HMRC - G7
£58,541 - £64,624
Full-time (Permanent)
Business Relationship Manager - National Crime Agency - HEO
£45,326 - £49,544
Full-time (Permanent)
Data Engineer - Department for Education - SEO
£42,806 - £46,971
Full-time (Permanent)
Senior QA Engineer - Department for Science, Innovation & Technology - SEO
£40,415 - £48,620
Full-time (Temporary)
Solutions Architect - MI6 - Secret Intelligence Service - SEO
£80,875 - £89,475
Full-time (Permanent)
Senior Data Engineer - MI6 Secret Intelligence Service - SEO
£63,823
Full-time (Permanent)
Lead Data Engineer - MI6 Secret Intelligence Service - SEO
£80,875
Full-time (Permanent)
Lead Data Engineer - Driver and Vehicle Licensing Agency - G7
£57,515
Full-time (Permanent)
Lead Performance Analyst - Government Digital Service - G6
£70,521 - £86,262
Full-time (Permanent)
Senior Data Architect - Government Digital Service - G7
£57,517 - £70,834
Full-time (Permanent)
Senior Product Manager - Ministry of Housing, Communities and Local Government - G7
£58,092 - £63,483
Full-time (Permanent)
User Researcher - HMRC - SEO
£45,544 - £55,157
Full-time (Permanent)
Principal Data Engineer - Home Office - G6
£76,117 - £80,237
Full-time (Permanent)
Communications and Engagement Lead - Department for Science, Innovation & Technology - G7
£56,850 - £68,570
Full-time (Permanent)
Content Designer - Ministry of Housing, Communities and Local Government - SEO
£44,004 - £53,575
Full-time (Temporary)
Head of Strategy and Policy - Government Digital Service - G6
£69,675 - £82,860
Full-time (Permanent)
Census Test Lead (Programme Delivery Manager) - Office for National Statistics - G6
£68,199 - £75,364
Full-time (Temporary)
Senior Technical Architect - Ministry of Justice - G7
£58,511 - £78,225
Full-time (Permanent)
Lead Test Manager - Driver and Vehicle Licensing Agency - G7
£57,515 - £82,430
Full-time (Permanent)
Senior User Researcher - HMRC - G7
£58,541 - £64,624
Full-time (Permanent)
Head of Content Design - Department for Energy Security & Net Zero - G7
£56,900 - £69,765
Full-time (Permanent)
Lead Service Transition Manager - Maritime and Coastguard Agency - SEO
£44,241
Full-time (Permanent)
Lead Data Engineer - UK Health Security Agency - G7
£56,185 - £70,566
Full-time (Temporary)
Lead Portfolio Delivery Manager - Driver and Vehicle Standards Agency - G6
£69,501 - £73,501
Full-time (Permanent)
Senior Product Manager - UK Health Security Agency - G7
£56,185 - £70,566
Full-time (Permanent)
Cyber Security Governance and Risk Management Principal - Government Digital Service - G6
£69,675 - £90,756
Full-time (Permanent)
Lead Infrastructure Engineer - Companies House - G7
£53,540 - £68,250 - £4,350 - £11,000 additional allowance depending on capability.
Full-time (Permanent)
Content Designer - Government Digital Service - SEO
£45,131 - £49,065
Full-time (Permanent)
Data Lead - Department for Work and Pensions - G6
£75,026 - £92,522
Full-time (Permanent)
Senior Data Engineer - Intellectual Property Office - SEO
£47,766 - £58,575
Full-time (Permanent)
Director General (Digital and Infrastructure) - Department for Education - SCS3
£200,000
Full-time (Permanent)
Senior Data Architect - Driver and Vehicle Standards Agency - G7
£57,515 - £61,515 - Plus an additional Government Digital and Data Profession allowance up to £24,915.
Full-time (Permanent)
Senior Product Manager - Home Office - G7
£62,109 - £68,109
Full-time (Permanent)
Lead Product Manager - Driver and Vehicle Licensing Agency - G6
£69,501
Full-time (Permanent)
Associate Service Transition Manager - Department for Work and Pensions - HEO
£38,772 - £39,621
Full-time (Permanent)
Chief Technology Officer - Home Office - SCS2
£120,000 - £150,000
Full-time (Permanent)
Senior Data Scientist - Ministry of Justice - SEO
£42,914 - £46,182
Full-time (Permanent)
Head of Data Services - Department for Science, Innovation & Technology - G6
£69,675 - £82,860
Full-time (Permanent)
Lead Product Manager - UK Research and Innovation - G7
£69,056
Full-time (Permanent)
Lead Product Manager - Department for Business and Trade - G6
£69,284 - £89,757
Full-time (Permanent)
Senior Product Manager - Home Office - G7
£62,109 - £66,229
Full-time (Permanent)
Head of Product for the Civil Jurisdiction - HM Courts and Tribunals Service - G6
£71,381 - £85,257
Full-time (Permanent)
Data Analyst - The National Archives - SEO
£41,000
Full-time (Temporary)
Data Analyst - Office for National Statistics - HEO
£34,587
Full-time (Permanent)
Senior User Researcher - Insolvency Service - SEO
£48,429 - £54,686
Full-time (Permanent)
Senior Service Designer - Driver and Vehicle Standards Agency - SEO
£44,241 - £58,997
Full-time (Permanent)
Senior Technical Architect - Department for Education - G7
£58,185 - £62,336
Full-time (Permanent)
Lead Technical Architect - HM Land Registry - G7
£66,200 - £83,000
Full-time (Permanent)
Senior Business Analyst - Intellectual Property Office - SEO
£47,766 - £58,575
Full-time (Permanent)
Content Designer - Registers of Scotland - HEO
£47,590 - £54,482
Full-time (Permanent)
Content Designer - Ministry of Justice - SEO
42,914 - £53,081
Full-time (Permanent)
Lead DevOps - HMRC - G7
£58,541 - £64,624
Full-time (Permanent)
Senior Application Operations Engineer - College of Policing - SEO
£36,520
Full-time (Permanent)
Application Support Engineer - Welsh Government - HEO
£37,111
Full-time (Permanent)
Senior Infrastructure Operations Engineer - Driver and Vehicle Licensing Agency - SEO
£44,241
Full-time (Permanent)
Lead Service Designer - Ministry of Justice - G6
£71,381 - £85,257
Full-time (Permanent)
Second Line Support Service Desk Manager - HM Courts and Tribunals Service - SEO
£42,914 - £53,081
Full-time (Permanent)
Performance Analyst - Home Office - HEO
£39,500 - £43,500
Full-time (Permanent)
Head Of Cyber Operations Defence - Cabinet Office - G6
£69,308 - £80,342
Full-time (Permanent)
Security Architect - HM Courts and Tribunals Service - SEO
£42,914 - £53,081
Full-time (Permanent)
Data Governance Manager - Office for National Statistics - SEO
£41,985 - £47,121
Full-time (Permanent)
Product Management Practice Manager - HMRC - G7
£58,541 - £64,624
Full-time (Permanent)
Senior Data Analyst - Department for Education - G7
£58,185 - £62,336
Full-time (Permanent)
Senior Interaction Designer - Intellectual Property Office - SEO
£47,766 - £58,575
Full-time (Permanent)
Service Transition Manager - Companies House - SEO
£53,540 - £57,250
Full-time (Permanent)
Deputy Director for Productivity and Technology - Home Office - SCS1
£81,000 - £110,000
Full-time (Temporary)