Civil Works Alliance
Solutions Architect
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Help Shape the UK’s Energy Future
Solutions Architect Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C
As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the CWA Wide Section.
What will you do?
The CWA is seeking an experienced Enterprise Solution Architect to join the Enterprise Architecture function and develop, document, and assure technology solutions across the Civil Works Alliance. This role focuses primarily on application and technology architecture, working closely with the Enterprise Architect Lead, IT, Digital, PMO, Data, Cyber Security, infrastructure teams, suppliers, and business stakeholders.
The successful candidate will translate business, functional, non-functional, application, technology, and integration requirements into practical solution designs while maintaining traceability between requirements, architecture elements, solution decisions, and implementation activity. A strong understanding of Microsoft Azure cloud architecture is essential, with the ability to assess and model Azure-based solutions across applications, infrastructure, integration, identity, security, networking, storage, and data platforms.
What You Will Do
- Develop and ensure solution designs across application and technology domains
- Translate business, functional, non-functional, application, technology, integration, and implementation requirements into solution architecture outputs
- Support requirements capture, structuring, validation, and traceability
- Maintain traceability between requirements, applications, technology components, integrations, solution decisions, work packages, and implementation milestones
- Develop Application Layer views covering components, services, functions, interfaces, integrations, dependencies, and lifecycle information
- Develop Technology Layer views covering platforms, infrastructure, cloud services, networks, hosting environments, system software, and technology dependencies
- Develop and assess Microsoft Azure architecture views, including applications, infrastructure, identity, security, networking, storage, integration, and data services
- Develop solution-level implementation and migration views, including dependencies, sequencing, transition considerations, and constraints
- Assess solutions against architecture principles, technology standards, requirements, integration patterns, security requirements, and delivery constraints
- Undertake application, technology, and integration impact assessments
- Identify and document risks, assumptions, issues, dependencies, constraints, and requirement gaps
- Support the design of APIs, interfaces, middleware, authentication, and system-to-system integrations
- Consider non-functional requirements including performance, availability, scalability, resilience, security, maintainability, and supportability
- Work with IT, Digital, Cyber Security, Data, infrastructure teams, application owners, and to ensure solutions are feasible, secure, supportable, and aligned with delivery requirements
- Prepare high-level solution designs, architecture diagrams, option assessments, impact assessments, decision records, and design review materials
- Create and maintain architecture models using ArchiMate 3.2, UML, and BPMN suppliers as appropriate
- Use Sparx Enterprise Architect to manage architecture models, requirements, and solution artifacts, and Prolaborate to publish and review architecture content
- Support model exchange using XML and maintain accurate and controlled architecture and requirements repository content
- Contribute to the improvement of CWA architecture standards, modeling practices, governance, and requirements traceability
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What are we looking for?
The Enterprise Solution Architect will produce and maintain, as appropriate:
- Solution architecture and high-level design documents
- Application architecture views
- Technology and infrastructure architecture views
- Microsoft Azure architecture views
- Integration and API architecture diagrams
- Requirements traceability views and matrices
- Application, technology, and integration dependency maps
- Non-functional requirement assessments
- Solution option and impact assessments
- Architecture decision records
- Current-state, transition-state, and target-state solution views
- Implementation dependency maps and transition plans
- Design review and technical assurance materials
- Supplier design review comments
- ArchiMate 3.2, UML, and BPMN models
- Published architecture content in Prolaborate
- Architecture repository content in Sparx Enterprise Architect
- XML and XMI model exchange files where required
- Construction technology solution views where relevant
The role requires strong solution architecture, application architecture, technology architecture, cloud architecture, integration, and requirements engineering skills.
Essential
- Relevant degree, professional qualification, or equivalent practical experience in solution architecture, enterprise architecture, information systems, computer science, systems engineering, engineering, or a related discipline.
- Experience working as a Solution Architect, Enterprise Solution Architect, Technical Architect, Application Architect, Technology Architect, or similar.
- Strong understanding of application and technology architecture.
- Strong understanding of Microsoft Azure cloud architecture, including infrastructure, platform services, identity, security, networking, storage, integration, and data services.
- Ability to assess Azure-based solution architectures and their implications for applications, technology, integration, data, security, and implementation.
- Understanding of cloud service and deployment models, including SaaS, PaaS, IaaS, and hybrid architectures.
- Good understanding of requirements engineering and requirements traceability.
- Ability to translate functional and non-functional requirements into practical solution designs.
- Strong understanding of integration architecture, including APIs, interfaces, middleware, authentication, and interoperability.
- Understanding of non-functional requirements, including performance, availability, scalability, resilience, security, maintainability, and supportability.
- Experience preparing solution architecture documents, high-level designs, impact assessments, decision records, and design review materials.
- Working knowledge of enterprise architecture principles and TOGAF or an equivalent architecture method.
- Working knowledge of ArchiMate 3.2, UML, and BPMN.
- Experience using Sparx Enterprise Architect.
- Experience using Prolaborate or a similar architecture collaboration platform.
- Ability to work with XML and XMI where required.
- Ability to identify and communicate solution risks, assumptions, issues, dependencies, constraints, and trade-offs.
- Strong stakeholder engagement, analytical, and communication skills.
- Ability to work across multidisciplinary teams, suppliers, and delivery organizations.
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What we will offer you?
The CWA is a single delivery organization made up of the client (Sizewell C) and three parent companies - Balfour Beatty, Bouygues, and Laing O'Rourke - which offer industry-leading packages including market-leading salaries, generous annual leave entitlements, pension scheme, and other flexible benefits.
About Us
The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under-represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity.
By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.
We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV.
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