Lead Technical Architect

Public Sector Resourcing • London Britain Township, PA

2d • Remote

About The Position

On behalf of the Cabinet Office, we are looking for a Technical Architect Lead (Inside IR35) for a 6 Months contract based REMOTELY. The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office

Requirements

• Significant experience leading cloud platform architecture (GCP/AWS), secure Cloud Landing Zones, Identity and Access Management (IAM) hierarchies, and microservices design for complex enterprise environments.
• Hands-on experience designing deterministic AI safety controls, including human-in-the-loop approval gates, VPC Service Controls, identity federation (WIF, Entra ID), and privacy/PII masking baselines.
• Expertise in both strategic and technical design, with a proven track record of designing modular components and services and defining how they interoperate seamlessly to deliver intended end-to-end service outcomes.
• Proven ability to architect modular, vendor-neutral software systems and API layers that seamlessly connect core enterprise platforms into central AI and workflow backbones.
• Strong understanding of central government architectural governance, with proven experience navigating Technical Design Authority (TDA) sign-offs, DPIA assessments, and cyber security/NCSC standards.
• Ability to communicate complex technical designs and risk models to stakeholders, mediate difficult architectural decisions, and provide coaching to engineers and architects.

Nice To Haves

• holding active security clearance

Responsibilities

• Define architectural roadmaps and principles for the Cabinet Office AI buildout, establishing secure Cloud Landing Zones and technology-agnostic integration layers that bridge enterprise AI software with custom-built tools.
• Create modular, scalable cloud and microservice architectures capable of supporting complex AI workflows, setting technical design standards across the project lifecycle.
• Make high-impact design decisions to manage architectural risk, designing mandatory human-in-the-loop approval gates, identity federation, and AI safety baselines (such as prompt protection and PII masking).
• Lead architectural governance for AI systems, steering solutions through formal Cabinet Office Technical Design Authority (TDA), Data Protection Impact Assessment (DPIA), and cyber security checkpoints.
• Articulate complex architectural trade-offs, security postures, and risk models to Cabinet Office senior leadership (CDIO, TDA Board) while coaching delivery teams and aligning delivery partners.

Benefits

• Disability Confident employer
• Encourage applications from disabled and neurodivergent candidates
• Applications from candidates who identify as having a disability and meet the essential criteria for the role will be prioritised for review.
• Welcome applications from veterans, service leavers, reservists and military spouses or partners.
• Applications from eligible candidates who meet the essential criteria for the role will be prioritised for review.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed