Enterprise Architect Manager - Defence & National Security

Salary: £80,000 - 80,000 per year

Requirements

• Strong Enterprise Architecture experience in secure, complex client environments
• Experience working within secure UK Government environments (Defence, Public Safety, National Security)
• Experience across one or more architecture domains (Business, Application, Data, Technology)
• Background in large-scale or highly sensitive digital transformation programmes
• Strong stakeholder management and communication skills
• Experience working within multi-disciplinary teams
• Ability to work across multiple levels of architectural abstraction
• Familiarity with enterprise platforms (SAP, Oracle, Workday, Salesforce, public cloud providers)
• Curiosity about emerging technologies such as AI, automation, cloud, data platforms
• Experience contributing to or designing AI-enabled solutions
• Full professional proficiency in English
• Deep knowledge of secure UK Government technology landscapes (preferred)
• Consulting background (preferred)
• Understanding of the Government Service Manual, Technology Code of Practice, and UK digital/data strategies (preferred)
• Experience as an Enterprise Architect, Solution Architect, or Technology Strategist (preferred)
• Experience in initiatives such as application rationalisation, re-platforming, and data architecture transformation (preferred)
• Knowledge of business capability modelling and process taxonomies (preferred)
• Experience designing or governing enterprise data platforms (preferred)
• Knowledge of public/private cloud architectures (preferred)
• Experience using EA tools (LeanIX, Avolution, Bizzdesign, Orbus, etc.) (preferred)
• Relevant certifications (TOGAF, COBIT, cloud architecture, DCAM, DAMA-DMBOK) (preferred)
• Hold valid Developed Vetting (DV) clearance (mandatory)
• Successfully pass BPSS checks (mandatory)
• Be a British passport holder with no dual nationality (mandatory)

Responsibilities

• Translate business strategies into enterprise architecture vision, target states and transformation roadmaps
• Assess the impact of strategic change across business, data, application, technology, and infrastructure layers
• Lead the creation of enterprise architecture blueprints and end-to-end technology landscapes
• Provide architectural leadership across major digital transformation and reinvention programmes
• Develop value cases and investment justifications for executive decision-making
• Apply Lean and Agile architecture principles to complex enterprise environments
• Conduct platform and vendor assessments across technology, integration and data layers
• Act as a trusted advisor between business, technology, and third-party suppliers
• Establish and enforce enterprise architecture governance and standards
• Lead design and governance of enterprise data platform capabilities
• Assess enterprise architecture maturity and define improvement roadmaps
• Stay informed on emerging technology trends and identify opportunities for innovation

Technologies

• AI
• Architect
• BiZZdesign
• Cloud
• Support
• Oracle
• SAP
• Salesforce
• Security
• TOGAF

More

We are expanding our Enterprise Architecture capability within our Technology Strategy & Advisory practice and are seeking experienced Enterprise Architect Managers to support some of the UK Governments most complex, high-impact transformation programmes. This role is client-facing and will involve working in secure environments, combining strategic thinking with practical delivery to influence high-stakes outcomes in defence and national security. The position is permanent and offers a salary of up to £82,000, along with a performance bonus. We invite applications from candidates located across the UK, including Central London, Greater London, Bristol, Cheltenham, and Manchester.

last updated 13 week of 2026