Senior Enterprise Architect

3 days ago Be among the first 25 applicants

This range is provided by HM Revenue & Customs. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Please apply before role closes 11:55pm 9/1/26

At HMRC we are committed to creating a great place to work for all our colleagues; an inclusive and respectful environment that reflects the diversity of the society we serve.

We want to maximise the potential of everyone who chooses to work for us and we offer a range of flexible working patterns and support to make a fulfilling career at HMRC.

Diverse perspectives and experiences are critical to our success, and we welcome applications from people from all backgrounds with the experience and skills needed to perform this role.

HMRC is building a modern, digital tax administration, and currently runs the biggest digital operation in Government. With 50 million customers to serve, over 60 thousand colleagues to support, and £700 billion to collect to fund UK Plc, our IT operation is huge.

This is an exciting opportunity to join HMRC’s Enterprise Architecture – Standards, Tools and Artefacts team, a dynamic group working across one of the largest and most complex IT estates in Europe. Our mission is to deliver an architecture strategy that underpins modern, internal-facing services and drives transformation at scale.

As a Senior Enterprise Architect
, you will play a pivotal role in shaping HMRC’s technology direction. You’ll create and evolve strategic roadmaps, influence policy, and ensure architectural decisions align with organisational goals. Your work will directly impact HMRC’s ability to deliver secure, scalable, and innovative solutions for colleagues and customers.

The main responsibilities include developing and maintaining a comprehensive IT architecture strategy by setting standards, technical policy, and direction for HMRC’s IT estate. This involves creating and managing reference architectures, defining metadata and taxonomies, and ensuring architectural decisions are aligned with strategic goals and best practices.

There is a strong focus on supporting solution design to maximise technology investments, driving innovation, and promoting the standardisation and adoption of enterprise architecture tools and practices. Balanced governance is essential, encouraging both compliance and flexibility, while processes are streamlined to achieve efficiency and scalability.

The successful candidate will optimise EA processes and tool usage for efficiency and scalability, design templates, enforce data standards, and manage artefact catalogues within EA tooling. They will model complex systems logically and communicate technical concepts clearly to diverse audiences, develop and maintain architectural standards aligned with the enterprise IT strategy, and provide consultancy and guidance to build internal capability and foster a self‑sustaining architecture community all while understanding commercial and sourcing strategies to support enterprise impact.

• Strategic Tooling & Standards Management: Experience in strategic enterprise architecture tooling and governance, with proven ability to implement repository‑backed modelling solutions and manage artefact catalogues. Skilled in advocating for tooling adoption and establishing robust governance frameworks to ensure consistency and compliance.
• Governance & Standardisation: Ability to structure and standardise deliverables for reuse, propose governance standards to maintain architectural integrity, and expertise in developing and maintaining architectural standards aligned with enterprise IT strategy and best practices.
• Framework & Notation Familiarity: Familiarity with established frameworks such as TOGAF or Zachman and notations like Archi Mate. Supported by strong knowledge across all architectural domains (Business, Data, Application and Technology).
• Stakeholder Management: Proven stakeholder management experience with ability to engage and influence stakeholders at all…