Principal Product Security Engineer

Reference: bkeualmlvs47mpblixwr

We are seeking a Principal Product Security Engineer to lead the development and delivery of secure-by-design practices across a diverse portfolio of products and services. This is a senior technical role requiring strong influence, sound judgement and the ability to work collaboratively with engineering, architecture, product and operations teams.

You will define and evolve product security strategy, standards and engineering practices, ensuring security is embedded throughout the software development lifecycle. Your responsibilities will include leading threat modelling, conducting security architecture reviews, identifying and prioritising risks, and supporting teams in designing effective mitigations. You will also help establish secure coding guidance, security testing approaches and measurable assurance processes.

As a technical authority, you will provide guidance on application, cloud, infrastructure and API security, while helping teams respond to emerging threats and vulnerabilities. You will contribute to incident investigations, coordinate remediation of security findings and support the development of automated security controls within CI/CD pipelines. The role will also involve mentoring security engineers and developers, promoting security awareness and representing product security in technical forums and governance discussions.

We are looking for substantial experience in product or application security, with a strong understanding of secure software development and modern engineering practices. You should be confident assessing complex architectures and communicating technical risks clearly to both technical and non-technical audiences. Experience with threat modelling methodologies, vulnerability management, penetration testing, cloud security and DevSecOps tooling is essential.

Relevant professional certifications or equivalent practical experience are welcome. You will be curious, pragmatic and comfortable working with a high degree of autonomy. The ability to influence without direct authority, balance security with delivery objectives and build trusted relationships across multiple teams is particularly important.

This opportunity offers the chance to shape product security at a strategic level while remaining close to hands-on technical challenges. Flexible working arrangements are available, alongside a supportive environment focused on continuous learning, collaboration and meaningful improvements to customer and organisational security.

COMPETITIVE SALARY
Added 03/11/2026
Reference: bkeualmlvs47mpblixwr

Principal Product Security Engineer

London, England, United Kingdom Permanent Security Engineer

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