Principal Product Security Architect

Principal Product Security Architect - Aerospace & Defence (Model-Based Systems)

Reading (Hybrid/On-site as required)

Up to £83 p/h Inside IR35

Security Clearance: Required or eligible

We are seeking a highly experienced Principal Product Security Architect/Digital Engineering leader who can build and run the model-based security engineering capability and toolchain across complex regulated systems programmes.

You will lead multi-partner, distributed teams to design and implement secure systems, drive compliance with regulatory frameworks, and establish assurance and evidence processes that meet the highest standards of safety-critical engineering.

Key Responsibilities

Lead the delivery of product security capabilities, including threat & risk modelling, security requirements engineering, security architecture & controls, SBOM and vulnerability management, verification & validation, and assurance case development

Define and embed model-based product security practices across digital engineering environments, ensuring continuity from requirements through architecture, analysis, design, manufacturing, and test

Manage multi-partner and supplier integration within complex programmes and distributed teams

Ensure compliance with regulatory and assurance frameworks relevant to aerospace, defence, and safety-critical systems (DO-326A/DO-356A/DO-355, IEC 62443, ISO/IEC 27001, ISO/SAE 21434, NIST SP 800-)

Essential Qualifications & Experience

Degree in Systems Engineering, Cybersecurity, Engineering (Software/Electrical/Aerospace), Computer Science, or related technical discipline

Extensive experience delivering Product Security capabilities in aerospace, defence, or regulated safety-critical industries

Strong expertise in model based product security engineering and digital thread enablement

Proven experience in multi-partner/supplier integration within complex programmes

Security clearance or eligibility for clearance in defence programmes is mandatory

What's on Offer

Lead critical product security initiatives within high-profile aerospace and defence programmes

Influence and shape multi-partner digital engineering environments

Work at the forefront of model-based product security and digital thread practices