Principal Security Architect - Applications & Data
We are seeking a Principal Security Architect – Applications & Data to define and advance security architecture across application, data, and cloud environments. This senior role will establish practical, scalable security patterns that protect sensitive information and support secure digital delivery. You will work closely with engineering, infrastructure, product, risk, privacy, and technology leadership teams to embed security throughout the design, development, deployment, and operation of business-critical services.
Key responsibilities include developing and maintaining security architecture principles, reference architectures, standards, and design patterns for applications, APIs, data platforms, and integration services. You will assess proposed solutions, identify risks and control gaps, and provide clear recommendations that balance security, usability, cost, and delivery objectives. The role will lead threat modelling, secure design reviews, and architecture assurance activities, while promoting secure software development practices, identity and access management, encryption, secrets management, data classification, privacy-by-design, and appropriate security monitoring. You will also contribute to cloud security strategy, resilience planning, incident readiness, and the evaluation of emerging technologies.
The successful candidate will bring extensive experience in security architecture, application security, data protection, and enterprise technology environments, together with a strong understanding of cloud platforms, modern software delivery, APIs, distributed systems, and security engineering principles. Experience working with recognised frameworks and standards such as NIST, ISO 27001, SABSA, OWASP, or CIS is desirable. You will be an accomplished communicator who can explain complex risks to both technical and non-technical audiences, influence decision-making, and build constructive relationships across multiple teams. A strategic mindset, strong analytical skills, sound judgement, and the ability to lead through influence are essential. Relevant professional certifications in security architecture, cloud security, or information security would be advantageous.
Principal Security Architect - Applications & Data
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