Enterprise Architect - Standards, Process and Tooling

Responsibilities

• This role reports to the Head of Enterprise Architecture UK and sits within the core EA practice team.
• In this role you will
• Ensure that architecture standards are defined, communicated and enforced.
• That the enterprise repository is governed and exploited to maximum effect, and that modelling practice using Archimate and BizzDesign Horizzon is consistent, high quality, and aligned to wider governance frameworks.
• Enterprise Architecture Standards and Principles
• Own and maintain Leonardo UKs EA standards and framework, including architecture principles, modelling conventions, pattern library, and governance ruleset.
• Develop publish and communicate architecture standards documentation, ensuring accessibility for both practitioner and non-practitioner audiences.
• Manage the lifecycle of architecture principles - creation, ratification, periodic review, amendment and retirement - through appropriate governance channels.
• Establish and enforce Leonardo UKs ArchiMate modelling conventions guide, covering maintaining Leonardo UKs metamodel, element usage, relationship types, naming conventions and viewpoint selection criteria.
• Develop and maintain an architecture pattern library within BizzDesign Horizzon, covering approved patterns across relevant domains (infrastructure, application, security, data, integration)
• Provide authoritative guidance to architects and project teams on the correct application of standards, resolving ambiguity and escalating gaps or conflicts as appropriate.
• Contribute to the development of cross-cutting standards that align EA practice with other applicable frameworks.
• Enterprise Repository Management
• Act as system administrator and governance owner for the BizzDesign Horizzon enterprise architecture repository.
• Design, implement, and maintain the repository taxonomy, including model structure, element classification, relationship categorisation and view organisation.
• Establish and enforce repository governance policies covering naming conventions, version control, model ownership, access permissions, and archiving.
• Manage user access, roles and permissions within Horizzon, maintaining appropriate separation of duties between model contributors, reviewers, and consumers.
• Implement model quality assurance processes, including validation rules, completeness checks and periodic model health reviews.
• Maintain the currency and accuracy of baseline architecture content, co-ordinating with domain owners to ensure landscape models reflect the current state of the enterprise.
• Produce and distribute regular Management Information from the repository, including architecture landscape summaries, coverage metrics, and risk registers.
• Maintain integration between the Horizzon repository and related tooling, including ITSM linkage (ServiceNow), and reporting outputs.
• ArchiMate Modelling Framework
• Lead Leonardo UKs practice of ArchiMate modelling, acting as the primary subject matter expert for the modelling language and its application.
• Develop and maintain the ArchiMate modelling conventions guide, covering all three layers (Business, Application, Technology) a

Benefits

Additional Information

Job Description: Salary Range: £55,000- £80,000 Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.

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