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Senior Technical Architect (Data) - Companies House - SEO

Government Digital & Data -

Full-time (Permanent)
£42,923 - £58,044 (Full salary details on Civil Service Jobs link)
Published on
22 October 2026
Deadline
1 November 2026

Location

Remote working (anywhere in the UK)

About the job

Job summary

Data is at the heart of everything we do at Companies House.

As we continue our digital transformation, we're investing in our Data Architecture capability to improve data quality, modernise technology, and enable better decision-making across the organisation. Data Architecture is a critical capability that supports our strategic objectives and future ambitions.

We're looking for an experienced professional join us as a Senior Technical Architect (Data). Working across Data and Technical Architecture, you'll help shape the future of data at Companies House, collaborating with technical and business stakeholders to solve complex challenges, define architecture direction, and establish data standards that support long-term organisational goals.

This is an exciting opportunity for someone who thrives in complex environments, is comfortable working through ambiguity, and can influence stakeholders by translating technical concepts into practical solutions. You'll combine strong technical expertise with excellent communication and collaboration skills to drive meaningful change.

Watch this video to find out more about working in Digital at Companies House

Please note:

  • Companies House cannot offer Visa sponsorship to candidates through this campaign
  • Security Clearance is an essential requirement for this campaign. You'll need to have been in the UK for at least 3 out of the last 5 years to be eligible to apply for SC
  • The role can be based from our Cardiff or Edinburgh office, and a hybrid employment contract will be provided as the standard offering. However, remote contracts may be considered as an exception whereby commuting to the office location of your team is not reasonably practicable

Helping Shape Our Future

Companies House is delivering a significant programme of modernisation, creating secure, resilient, and adaptable services for the future.

Data Architecture plays a vital role in this transformation, helping to improve data quality, enable interoperability, support modern cloud platforms, and ensure emerging technologies are adopted responsibly.

We're looking for someone who is curious about the future of data and technology. You don't need to be an AI specialist, but you should be interested in how modern technologies, automation, and data-driven approaches can solve business problems and improve public services.

Job description

As a Senior Technical Architect (Data) you will:  

  • Design and maintain conceptual, logical and physical data models supporting operational and analytical business needs
  • Work with business and technical stakeholders to understand complex problems and translate them into practical architecture solutions
  • Influence data-related decisions across programmes, projects and product teams
  • Develop and maintain mappings between logical and physical data structures across multiple platforms and services
  • Support the development and evolution of enterprise-wide data architecture standards, principles and reusable patterns
  • Contribute to the implementation of the Data Architecture Strategy and wider organisational objectives
  • Provide architectural guidance and assurance to multidisciplinary delivery teams
  • Support data governance, metadata, lineage and lifecycle management activities
  • Help establish a shared understanding of data across the organisation through effective modelling, communication and stakeholder engagement
  • Collaborate closely with Enterprise Architects, Technical Architects, Data Engineers and business stakeholders across Companies House

Technical architect - Government Digital and Data Profession Capability Framework

Why this role is different

This is an opportunity to join a growing Data Architecture capability during a period of significant transformation. You will help shape the data models, standards and architectural blueprints that underpin the future direction of Companies House.

Develop your architecture capability while gaining experience on high-profile work where your contribution will strengthen Data Architecture and it's professional impact across the business.

Data architect - Government Digital and Data Profession Capability Framework

Person specification

We're seeking a curious and collaborative professional who enjoys solving complex problems and building strong relationships. You may already have experience in Data Architecture, or be looking to bring transferable skills from a related discipline.

What matters most is your ability to think strategically, communicate effectively and support better outcomes through a structured approach. You'll have a good understanding of data architecture and data modelling principles and a desire to further develop your expertise within a growing team.

Data Architecture and Modelling

  • Understanding of data architecture principles and best practices
  • Experience developing conceptual, logical and physical data models that support both operational and analytical business needs
  • Working experience defining and maintaining architecture artefacts, standards and patterns
  • Working experience developing mappings between logical and physical data structures across multiple systems and platforms
  • Awareness of modelling complex business domains and translating business concepts into structured data designs
  • Experience defining and maintaining data architecture solutions that align with organisational objectives and support long-term business and technology strategies
  • Good understanding of metadata, lineage, data quality and information architecture concepts  

Communication and Influence

  • Strong ability to communicate the data architecture vision, standards and principles to a range of stakeholders
  • Strong ability to communicate complex technical concepts clearly to both technical and non-technical audiences
  • Strong stakeholder engagement and facilitation skills used to understand business needs and influence the development of designs and solutions
  • Strong ability to build consensus amongst diverse stakeholder groups and successfully influence decision-making
  • Strong ability to navigate ambiguity and uncertainty, working with stakeholders to clarify requirements, build shared understanding and achieve successful outcomes  

Collaboration and Delivery

  • Strong ability to work collaboratively within multidisciplinary agile teams to deliver business value
  • Strong ability to apply systematic and evidence-based problem solving
  • Experience supporting delivery teams through the design and implementation of data solutions
  • A commitment to professional development as well as sharing knowledge, challenging established thinking where appropriate and driving continuous improvement  

Modern Technology and Innovation

  • Awareness of modern cloud-based architecture principles and services
  • A willingness to research, gain understanding and experiment with unfamiliar and emerging technologies, or familiar technologies in new data contexts
  • Ability to assess opportunities and risks associated with applying new technologies in a pragmatic and evidence-based manner

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