We are seeking an experienced DV cleared Cyber Security Architect to support a high-profile Defence technology programme delivering secure cloud, AI/ML, and DevSecOps capabilities within highly classified environments.

This role will be responsible for defining security architecture, managing risk and assurance activities, and ensuring secure-by-design principles are Embedded throughout the development life cycle.

Key Skills & Experience

• Security Architecture and Secure-by-Design Principles
• Threat Modelling, Risk Assessment and Security Assurance
• DevSecOps and Secure CI/CD Pipelines
• Cloud Security (AWS, Azure or Hybrid Environments)
• Identity & Access Management (IAM)
• Kubernetes, Docker and Container Security
• Security Controls for AI/ML Platforms and Data Flows
• Cross-Domain Security and Secure Information Exchange
• Security Governance, Accreditation and Compliance
• Experience working within Defence, National Security or Highly Secure Environments

Responsibilities

• Define and govern security architecture across cloud, DevSecOps, and AI/ML platforms.
• Conduct threat modelling, security risk assessments, and architecture reviews.
• Develop security patterns, standards, and controls for secure solution delivery.
• Support accreditation, assurance, and compliance activities.
• Provide security guidance to engineering, DevOps, and platform teams.
• Drive adoption of DevSecOps and security automation best practices.
• Engage with technical and senior stakeholders to communicate security risks and recommendations.
• Support secure multinational collaboration and data-sharing initiatives.

Requirements

• Active DV Clearance.
• Proven experience as a Security Architect within Defence, Government, National Security, or other highly regulated environments.
• Strong understanding of secure cloud architectures, DevSecOps, and modern security frameworks