Lead Systems Security Engineer Reading HQ (Three days P/W) Must hold live Security Clearance (SC) Up to £84 p/h Inside IR35 We are seeking a highly experienced Lead Systems Security Engineer with an extensive background working with clients in the Aerospace or Defence domain to define, deliver and scale product security capabilities across complex aerospace and defence programmes. This is a end-to end role that sits at the intersection of systems engineering, cyber security and model-based engineering, ensuring security is Embedded throughout the engineering life cycle. 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. Essential Qualifications andamp; Experience Degree in Systems Engineering, Cybersecurity, Engineering (Software/Electrical/Aerospace), Computer Science, or related technical discipline Secure by design experience (Or similar, you will need experience of integrating security at the earliest stage of the SDLC) Extensive experience delivering Product Security capabilities in aerospace, defence, or regulated safety-critical industries Proven experience in multi-partner/supplier integration within complex programmes Key Responsibilities Lead the delivery of product security capabilities, including threat andamp; risk modelling, security requirements engineering, securit