Head of Enterprise Architecture

Role Purpose This role leads the modernisation of PSA BDP's core in-house developed applications, owns the DevOps organisation, and sets the engineering standards and training that raise the bar for how PSA BDP builds and operates software. Own the enterprise architecture function end to end, setting the standards, reference patterns, and governance that ensure PSA BDP's technology estate is scalable, resilient, and secure across both AWS and on-premise environments.Define and maintain a target-state architecture and multi-year technology roadmap, aligned to PSA BDP's strategic programmes and to the CIO's broader technology vision.Chair an architecture review governance process for significant technology decisions, ensuring new solutions are assessed against scalability, security, cost, and total-cost-of-ownership principles before they are built.Partner closely with security/information security functions to embed security-by-design across the estate, identity and access management, data protection, network segmentation, and cloud security posture across AWS and on-premise workloads alike.Own the evaluation and responsible adoption of emerging technology, including AI and agentic platforms, balancing innovation with enterprise risk, data governance, and operational resilience, collaborating with respective innovation teams and partnersAct as the senior technical authority on hybrid cloud/on-premise architecture decisions, ensuring workload placement, integration patterns, and infrastructure investment are made deliberately rather than by accident of history.Support teams to rationalize cloud and AI spend based on best practices, oversee application rationalisation and removal of shadow IT where appropriate.Application Modernisation Own the DevOps organisation, including CI/CD pipelines, infrastructure automation, release management, and observability/monitoring practices across both AWS and on-premise environments.Drive DevOps maturity across the organisation such as infrastructure as code, automated testing and deployment, and improvement of key delivery metrics such as deployment frequency, lead time for change, and mean time to recovery.Ensure consistent DevOps tooling and governance regardless of whether a workload runs in AWS or on-premise, avoiding a two-tier operating model.Application Development Standards & Training Reduction in legacy/technical debt exposure across the core in-house application portfolio.Adoption and compliance rate of architecture governance and development standards across engineering teams.Improvement in DevOps delivery metrics; deployment frequency, lead time for change, and mean time to recovery.Measurable improvement in security posture across both AWS and on-premise environments.Engineering training and certification completion rates across the organisation.Project delivery of transformational initiatives

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