Principal Product Cybersecurity Assurance Engineer
We are seeking a Principal Product Cybersecurity Assurance Engineer to lead cybersecurity assurance activities across the full product lifecycle. In this senior technical role, you will help ensure that products are designed, developed, and maintained in line with rigorous security, safety, privacy, and regulatory expectations. You will define assurance strategies, establish security requirements, and provide expert guidance from concept and architecture through development, validation, deployment, and post-release support.
Your responsibilities will include conducting product security risk assessments, threat modelling, design and architecture reviews, and assurance audits. You will evaluate security controls, identify vulnerabilities and weaknesses, and oversee the resolution of findings through effective corrective action plans. The role will involve developing and maintaining assurance processes, evidence frameworks, technical documentation, and compliance mappings against relevant industry standards and regulations. You will also support security testing activities, including penetration testing, vulnerability assessment, secure development reviews, and verification of security requirements. As a principal-level contributor, you will provide authoritative advice to engineering, product, quality, safety, privacy, and programme teams, while communicating complex technical risks clearly to senior stakeholders.
The successful candidate will have substantial experience in product cybersecurity, security assurance, systems engineering, or a closely related discipline, together with a strong understanding of secure-by-design principles and risk management. Experience applying recognised standards and frameworks such as ISO/SAE 21434, IEC 62443, NIST, ISO 27001, or equivalent is highly desirable. You should be comfortable analysing complex systems, challenging technical decisions constructively, and influencing teams without direct authority. Strong knowledge of threat modelling methods, vulnerability management, security verification, and software or hardware development lifecycles is expected. Excellent written and verbal communication skills, sound judgement, and the ability to lead cross-functional initiatives are essential. Relevant professional certifications or a degree in cybersecurity, computer science, engineering, or a related subject would be advantageous.
Principal Product Cybersecurity Assurance Engineer
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