London

Principal Technical Solutions Architect

Posted on Wednesday, 23rd September 2026

IT and Internet
London
£875 - 900 per day
Contract

 

Principal Solutions Architect – AI customer facing products
£875-£900/day Inside IR35
6 Month Contract
London (preferred) | Bristol or Manchester considered 

Up to 2 days per week on site

I’m supporting a search for a senior technical leader to head Technical AI Solutions Architecture for a major UK Government AI programme, responsible for shaping and delivering AI-powered digital products used by millions of citizens.

This role would suit a Principal Solutions Architect, Senior Technical Architect, AI Solutions Architect, Head of Technical Architecture, Head of Solutions Architecture with a strong background delivering large-scale digital products.

Key Requirements

  • Extensive experience as a Technical Architect or Solutions Architect (not Enterprise Architecture focused).
  • Proven track record designing, building and launching user-facing digital products, apps and web services.
  • Experience leading architecture functions and managing teams of architects (4-8+ people).
  • Strong experience delivering AI-enabled products, ideally where AI functionality has reached end users rather than purely internal/back-office use cases.
    • Example: website and mobile application chat bots
  • Deep AWS expertise, including:
    • AWS Serverless technologies
    • AWS Bedrock
    • Cloud-native architecture
  • Strong software engineering and application architecture background.
  • Experience defining technical strategy, governance, standards and best practice across complex organisations.
  • Knowledge of modern engineering practices including DevOps, CI/CD, TDD and Agile delivery.
  • Experience building secure services, ideally aligned to NCSC Secure by Design principles and/or Cyber Assessment Framework (CAF).
  • Ability to operate at organisational leadership level while remaining technically credible.

Ideal Background

  • Delivery of products at national or enterprise scale.
  • Multiple major product launches/releases with clear ownership of technical architecture decisions.
  • AI, machine learning or data-intensive product delivery experience.
  • Public sector experience is welcome but not required.
  • AWS certifications, Computer Science degree or postgraduate qualifications are beneficial but not essential.

Additional Details

  • Active SC Clearance preferred (transferable SC acceptable).
  • Can start on BPSS while clearance transfer is completed.
  • Typically 2 days onsite per week, with flexibility available.
  • Candidates based outside London should expect quarterly travel to London.

This is a high-impact leadership role responsible for the technical architecture strategy behind some of government’s most visible AI-powered citizen services, including the next generation of GOV.UK digital experiences.

Joe Field

Advertised by:

Joe Field
Lead Senior Consultant
LinkedIn

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