Hays
Solution Architect
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Solution Architect
Rate: £695 per day (inside IR35)
Location: London (travel required)
Working arrangement: Hybrid, with occasional travel
Contract length: Six-month rolling contract
Clearance requirement: BPSS
Your new company
You will be joining a major UK government transformation programme supporting critical national infrastructure within a complex borders and trade technology estate.
The programme delivers environment management, integration and testing capabilities, enterprise application maintenance, Java-based feature development, and hybrid-cloud solutions.
Your new role
As a Solution Architect, you will work with technical delivery teams, design authorities, business stakeholders, and engineering teams to define and govern architectural solutions across a complex enterprise environment.
You will provide architectural leadership across cloud and on-premises services, supporting enterprise integration, application development, and hybrid-cloud delivery.
Key responsibilities
- Produce high-quality solution architecture deliverables and design artefacts.
- Create and present architectural designs through governance and Design Authority forums.
- Define end-to-end integration solutions across cloud and on-premises environments.
- Support the design and implementation of Java-based enterprise applications and services.
- Produce architecture documentation, UML diagrams, interface specifications, and data models.
- Collaborate with development, DevOps, testing, infrastructure, and operations teams.
- Design solutions using AWS services and hybrid-cloud deployment models.
- Ensure compliance with relevant government standards, security requirements, and delivery frameworks.
- Support the integration of COTS products and third-party services.
- Provide technical leadership throughout the project life cycle.
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Essential skills and experience
- Strong understanding of architectural methodologies, frameworks, and governance processes.
- Experience producing solution designs, High-Level Designs, Low-Level Designs, architecture decision records, and Design Authority documentation.
- Experience using Jira and Confluence.
- Strong UML modelling and diagram creation experience.
- Knowledge of Java 17 or Java 21.
- Experience working with XML and JSON schemas and data structures.
- Strong understanding of relational databases.
- Experience designing solutions with AWS services, including EC2, EKS, and S3.
- Experience with RabbitMQ and enterprise messaging technologies.
- Strong stakeholder engagement skills and the ability to operate across complex technical delivery environments.
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Desirable skills and experience
- Service-Oriented Architecture experience.
- Experience working in hybrid-cloud environments.
- COTS product integration experience.
- Experience delivering AWS-hosted enterprise solutions.
- Previous experience within government, the public sector, or another regulated industry.
- Experience working on nationally critical infrastructure programmes.
How to apply
If you're interested in this opportunity, apply with your latest CV, availability, and preferred location. If this role isn't quite right for you, please get in touch for a confidential discussion about similar opportunities.
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