Enterprise Architect Manager, Defence and National Security (DV)

Accenture UK & Ireland; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Accenture UK & Ireland is seeking an experienced Enterprise Architect Manager to lead architecture across national security programmes in secure client environments. You will translate strategy into architecture visions, roadmaps and operating models, guiding senior stakeholders and delivering end-to-end blueprints and data flows.

The role combines strategic thinking with practical delivery, requiring collaboration across business, data and technology domains.

Qualifications

• Experience in secure UK environments (e.g., Defence/National Security)
• Experience in one or more architecture domains: Business, Application, Data and/or Technology
• Involvement in large-scale, complex digital transformation programmes
• Strong stakeholder management and communication skills
• Ability to communicate across architectural abstraction levels

Responsibilities

• Translate strategy into enterprise architecture visions, target states and roadmaps
• Lead end-to-end enterprise architecture blueprints and data flows
• Provide architecture leadership across complex digital reinvention programmes
• Develop value cases to support executive decisions
• Apply Lean and Agile EA principles to complex environments
• Lead vendor and platform assessments across technology layers
• Act as trusted adviser between business, technology teams and suppliers
• Govern enterprise architecture standards and operating models

Skills

Enterprise Architecture

Stakeholder management

Secure UK environments

Transformation leadership

Tools

LeanIX

Avolution

Orbus

Bizzdesign

Job description

Role: Enterprise Architect, Defence and National Security (DV)

Career Level: Manager

Organisation: Strategy & Consulting > Technology Strategy & Advisory

Locations: London, Bristol, Manchester

Industry: Health & Public Service

About The Role

We are growing our Enterprise Architecture capability within Accenture UK’s Technology Strategy and Advisory practice and are looking for experienced Enterprise Architect Managers to help shape and deliver some of the UK Government’s most complex and high-impact transformation programmes.

In this role, you will work at the intersection of business strategy, technology, and data, partnering with senior client stakeholders to define enterprise architecture vision, roadmaps, and operating models that enable meaningful, large-scale change. You’ll lead architectural thinking across complex environments, influence key decisions, and help organisations realise value through modern technology platforms, data and emerging capabilities.

This is a client-facing role in secure environments, suited to architects who enjoy combining strategic thinking with practical delivery and who want to play a leadership role in shaping enterprise-wide defence and national security outcomes.

What You’ll Do

• Translate business strategy into enterprise architecture vision, target states and transformation roadmaps
• Assess the impact of strategic change across the enterprise architecture landscape, including business, application, data, technology, infrastructure and operations
• Lead the development of enterprise architecture blueprints, illustrating end-to-end technology landscapes, integrations and data flows
• Provide architecture leadership across strategic, complex digital reinvention and transformation programmes
• Develop value cases and investment justifications to support executive decision-making
• Apply Lean and Agile enterprise architecture principles to complex technology environments
• Conduct end-to-end vendor and platform assessments across technology, data and integration layers
• Act as a trusted advisor between business, technology teams and third-party suppliers, facilitating and concluding key architectural decisions
• Establish and apply enterprise architecture governance, ensuring initiatives align to agreed standards while enabling business outcomes
• Lead the design and governance of enterprise data platform capabilities, including integration and automation
• Define and support implementation of enterprise architecture operating models
• Deliver enterprise architecture maturity assessments and improvement roadmaps
• Stay current on industry trends and emerging technologies, identifying opportunities to drive innovation and change

What We’re Looking For

We are looking for individuals who bring strong technology strategy and/or enterprise architecture experience combined with the ability to operate confidently in secure, complex client environments.

You will have:

• Experience working within secure UK environments (e.g., Defence/Defence Industry, Public Safety, National Security)
• Experience in one or more architecture domains: Business, Application, Data and/or Technology
• A background of involvement in large-scale, complex or highly-sensitive digital transformation or reinvention programmes
• Strong stakeholder management and communication skills, with the ability to influence senior audiences
• The ability to work and communicate across different levels of architectural abstraction
• An inquisitive mindset with interest in emerging technologies such as AI, data, cloud, automation and robotics
• Full professional proficiency in English

Set yourself apart

• Deep knowledge of the secure UK Government sector and its technology landscape
• Previous consulting experience
• Knowledge of the Government Service Manual, Technology Code of Practice (TCoP) and UK Digital / Data strategies
• Experience as a solution architect, enterprise architect or technology strategist
• Experience in enterprise architecture initiatives such as application rationalisation, re-platforming, modernisation and data architecture transformation
• Experience with business capability models, process taxonomies and maturity assessments
• Experience designing or governing data platform architectures, including data quality, metadata, security, privacy and compliance
• Understanding of public and private cloud architectures
• Experience with hyperscale and enterprise platforms (e.g. SAP, Workday, Oracle, Salesforce, public cloud providers)
• Experience contributing to or designing AI-enabled solutions
• Experience using enterprise architecture tools such as LeanIX, Avolution, Orbus, Bizzdesign or similar
• Relevant certifications (e.g. TOGAF, COBIT, DCAM, AWS/Azure/GCP architecture)
• Knowledge of DAMA-DMBOK

Security Requirements (mandatory)

Please note that any offer and commencement of employment is subject to:

• Confirmation that you already hold valid Security Check (SC) clearance
• Successful Baseline Personnel Security Standard (BPSS) checks
• You declaration that you are a British passport holder with no dual nationality at the point of application

These requirements are mandated by our clients and align with UK Government security policies.

Working arrangements

This is a client-facing role within secure environments. We support flexible and hybrid working where possible, balanced with the requirement to spend time on-site with clients and partners to deliver high-quality outcomes.

What’s In It For You

In addition to a competitive salary, you’ll receive an extensive benefits package, including:

• 30 days’ annual leave
• Private medical insurance
• Three additional paid days per year for charitable or volunteering activities
• Access to Accenture’s global learning, development and career progression opportunities