While both positions are vital to a modern tech organisation, Security Architect and Security Engineer have fundamentally different daily workflows.
Security Architect focuses primarily on designing and owning enterprise security architecture across cloud, network, application, and data layers, establishing zero-trust security patterns and DORA, GDPR, and NIS2-aligned security standards. Day-to-day work revolves around producing security architecture designs and patterns for new technology platforms, conducting threat modelling and security risk assessments, reviewing and approving security aspects of system designs, defining security standards and guidelines, working with cloud architects on secure AWS, Azure, and GCP design, engaging with penetration testing teams, advising on IAM architecture, and liaising with risk and compliance teams on DORA, GDPR, and NIS2 requirements.
Security Engineer focuses on designing, building, and maintaining security controls, tooling, and infrastructure to protect systems from threats. Their time is spent hardening cloud infrastructure configurations, building automated security scanning pipelines, conducting threat modelling, reviewing code for security vulnerabilities, managing PKI and secrets management, and integrating security into CI/CD.