Principal Security Engineer
We are seeking a Principal Security Engineer to provide technical leadership across the design, implementation and continuous improvement of security capabilities. This role will define and champion secure engineering practices, influence architecture decisions and help protect critical systems, applications, data and infrastructure across complex technology environments. You will work closely with engineering, platform, operations, risk and compliance teams to embed security throughout the development and delivery lifecycle.
Key responsibilities include developing security architecture and technical standards; leading threat modelling, risk assessments and design reviews; identifying vulnerabilities and driving effective remediation; and advising on cloud, application, network, identity and endpoint security. You will establish and improve security controls, monitoring and incident response capabilities, contribute to security investigations, and provide expert guidance during major technology initiatives. The role will also involve evaluating emerging threats and technologies, supporting audits and regulatory requirements, producing clear technical documentation, and mentoring security engineers and wider technical teams. You will be expected to influence senior stakeholders, balance security with usability and delivery objectives, and promote a strong culture of secure-by-design engineering.
Applicants should have extensive experience in security engineering, architecture or a closely related discipline, with a strong understanding of modern cloud platforms, networking, operating systems, identity and access management, application security and secure software development. Professional experience with vulnerability management, security tooling, automation, incident response and infrastructure-as-code is highly desirable. Relevant industry certifications or equivalent practical expertise are welcome. You should be comfortable working autonomously on complex problems, communicating technical risk to both technical and non-technical audiences, and making pragmatic decisions in a fast-moving environment. A methodical approach, sound judgement, curiosity and a commitment to continuous improvement are essential.
Principal Security Engineer
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