Principal Security Engineer
We are seeking a Principal Security Engineer to provide technical leadership across the design, implementation, and continuous improvement of enterprise security capabilities. You will define secure architecture principles, guide engineering teams through complex security challenges, and help embed security throughout the software and infrastructure development lifecycle. Working across cloud, applications, networks, and corporate systems, you will assess risk, recommend pragmatic controls, and support the delivery of resilient, scalable solutions.
Key responsibilities include developing security standards, reference architectures, and technical roadmaps; leading threat modelling, security reviews, and architecture assessments; and advising on identity and access management, data protection, vulnerability management, detection engineering, and incident response. You will investigate emerging threats and technologies, translate business and regulatory requirements into actionable engineering practices, and collaborate with developers, platform teams, and operational stakeholders to resolve security issues. The role will also involve mentoring engineers, contributing to security tooling and automation, reviewing third-party solutions, and representing security in major technical and strategic initiatives.
You will bring substantial experience in security engineering, architecture, or a closely related discipline, with a strong understanding of modern cloud environments, secure software development, networking, operating systems, and common security frameworks. Hands-on experience with public cloud platforms, infrastructure as code, CI/CD security, identity platforms, logging and monitoring, and application security is highly desirable. You should be comfortable influencing senior stakeholders, communicating complex technical risks clearly, and balancing robust protection with operational effectiveness. Relevant professional certifications or demonstrable equivalent expertise are advantageous. Success in this role requires sound judgement, curiosity, strong collaboration skills, and a proactive approach to improving security maturity across the organisation.
Principal Security Engineer
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