Senior AWS Solutions Architect - Outside IR35 - SC Cleared

A public sector organisation is seeking a Senior AWS Solution Architect to join via a Consultancy to provide architecture leadership on a strategic cloud-based occupancy data platform hosted within AWS.

The platform ingests and processes data from multiple sources, including WiFi, IoT sensors and wider property technology systems, generating operational insights whilst supporting future growth and innovation.

Working within a managed service environment, you will be responsible for defining the target architecture, driving technical strategy and ensuring solutions remain scalable, secure and resilient as new requirements and technologies emerge.

This is an excellent opportunity for a senior architecture professional who enjoys operating across both strategy and delivery, influencing stakeholders at all levels and guiding multidisciplinary teams in the development of modern cloud-native solutions.

This is an initial contract until May 2027 with potential to be extended, it is one day per week in the office in Central London with a daily rate of £660 per day Outside IR35. The successful candidate will need to already hold SC clearance and it will need to be transferred to the client.

Key Responsibilities

• Define, maintain and evolve the target architecture for the platform.
• Establish architecture principles, standards and integration patterns.
• Lead technical design decisions across cloud, data, platform and integration domains.
• Ensure solutions meet security, scalability, resilience, performance and operational requirements.
• Design integration approaches for WiFi, IoT and future data sources.
• Review and assure engineering designs, implementation approaches and technical solutions.
• Provide architectural leadership and guidance across engineering and delivery teams.
• Support backlog refinement through technical assessment of feasibility, dependencies and risks.
• Ensure alignment with AWS Well-Architected Framework principles.
• Define infrastructure, security and operational architecture standards.
• Establish monitoring, observability and operational support patterns.
• Identify and manage technical debt, architectural risks and non-functional requirements.

Essential Skills & Experience

We're looking for candidates who can demonstrate:

• Active SC Clearance.
• Extensive experience designing and governing large-scale AWS cloud architectures.
• Proven experience defining target architectures across cloud, integration and data platforms.
• Experience leading architecture decisions within multidisciplinary delivery teams.
• Strong track record of designing secure cloud solutions in regulated environments.
• Experience implementing event-driven, serverless and API-led architectures.
• Experience supporting data-intensive platforms with multiple ingestion and integration sources.
• Strong understanding of architecture governance, design authority and assurance processes.
• Experience establishing architecture standards, design patterns and quality controls.
• Experience designing highly available, scalable and resilient solutions.
• Knowledge of Infrastructure as Code (IaC), CI/CD pipelines and DevSecOps practices.
• Excellent stakeholder management skills, with experience engaging senior technical, programme and business leaders.
• Ability to produce solution architectures, architectural roadmaps and high- and low-level design documentation.
• Experience managing architectural risk, technical debt and platform evolution.