AI Technical Architect/CTO/Head of Engineering

This is an excellent opportunity to shape the technical direction of a nationally significant AI-enabled digital service, working with modern cloud technologies and high-performing engineering teams.

We are seeking an experienced Head of Technical Architecture to lead the architecture of large-scale, public-facing digital products powered by AI. This is not an Enterprise Architect role. We need a hands-on technical leader who has designed and delivered AI-enabled digital services used by large numbers of users at a national scale.

You will provide end-to-end technical architecture leadership across application, infrastructure, networking and cloud environments, ensuring secure, scalable and resilient digital products. The successful candidate will have a strong track record of taking AI-enabled products from concept through multiple major releases and operating them successfully in production.

Essential Experience

Proven experience as a Head of Technical Architecture, Lead Technical Architect or similar senior technical leadership role with AI user facing product experience, working with AWS (Technical Architecture context, not Enterprise Architecture.)

Hands-on experience architecting and delivering public-facing AI products at national scale; serving AI agents direct to audiences including, establishing and managing guardrails, conducting red teaming and other threat assessments.

Strong experience designing AI-enabled applications, platforms or websites used by large external user bases.Experience of scaling to tens of thousands of concurrent users and evidence of agentic development.

Highly desirable: evaluation, user experience management, and policy/privacy/secure by design work (associated with AI products).