Lead Technical Architect
Job in
City Of London, Central London, Greater London, England, UK
Listed on 2026-10-27
Listing for:
Summer-Browning Associates
Full Time
position Listed on 2026-10-27
Job specializations:
-
IT/Tech
Job Description & How to Apply Below
Lead Technical Architect -
Summer-Browning Associates is supporting our client in the Central Government who is seeking a Lead Technical Architect for an initial 6-month assignment, with the possibility of extension.
Location:
London | Hybrid
The ideal candidate will bring extensive experience in enterprise cloud architecture, AI security, systems integration, and architectural governance, with the ability to translate complex technical requirements into end-to-end solutions. A strong understanding of UK government security standards and experience operating within highly secure environments.
The following skills and experience are required:Enterprise Cloud Architecture
- Extensive experience leading cloud architecture across GCP and/or AWS environments.
- Expertise in secure Cloud Landing Zones, Identity and Access Management (IAM) hierarchies, and microservices architecture.
- Proven ability to design secure, scalable solutions for complex enterprise environments.
- Hands-on experience designing deterministic AI safety controls and secure AI architectures.
- Knowledge of human-in-the-loop approval mechanisms, VPC Service Controls, Workload Identity Federation (WIF), and Microsoft Entra .
- Experience establishing privacy, data protection, and Personally Identifiable Information (PII) masking controls.
- Proven experience leading both strategic architecture and detailed technical design.
- Ability to design modular components and services, ensuring seamless interoperability and delivery of end-to-end business outcomes.
- Strong understanding of architectural patterns, design principles, and technical solution delivery.
- Experience designing modular, vendor-neutral software architectures and API layers.
- Ability to integrate core enterprise platforms with central AI capabilities and workflow systems.
- Strong understanding of interoperability, integration patterns, and technology-agnostic design.
- Experience navigating UK central government architectural governance and Technical Design Authority (approval processes.
- Understanding of Data Protection Impact Assessments (DPIAs), cyber security assurance, and relevant NCSC standards.
- Familiarity with Secure by Design, Cloud Security Principles, GDS guidance, and Government Functional Standards.
- Previous experience working within central government, defence, or other highly secure environments.
- Familiarity with UK government security frameworks and the challenges of delivering AI and cloud solutions in high-threat settings.
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