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Security Architect

Company

CBSbutler Holdings Limited trading as CBSbutler

Location

Portsmouth, Hampshire

Posted

July 04, 2026

Position Overview

Security Architect (Defence DevSecOps & AI/ML)
Portsmouth/ Hybrid (3 days onsite)
Β£645 per day Inside IR35
5-Month Contract
Active SC or DV Clearance Required

Are you an experienced Security Architect looking to shape the future of secure AI and cloud technologies within the UK Defence sector?

We are looking for a Security Architect to join a high-profile defence programme, leading the design and assurance of secure AI/ML solutions across multi-cloud and edge environments. This is an opportunity to play a key role in delivering innovative capabilities while ensuring security is embedded throughout the programme lifecycle.

You'll work alongside senior technical leaders, architects and engineering teams to define security strategy, influence governance and enable secure DevSecOps practices across a complex, mission-critical environment.

What You'll Be Doing

Leading the security architecture across AI/ML development and trial programmes.<...

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