Overview An organisation operating in complex, secure environments is seeking a Lead Enterprise Architect to drive enterprise-wide architecture strategy across multiple programmes and domains. Key ResponsibilitiesLead enterprise architecture development and governance across programmesDefine and maintain architecture principles, standards, and frameworks aligned to business strategyShape architecture strategy for a major Line of BusinessProvide technical leadership across cloud, infrastructure, data, applications, and securityChair design reviews and ensure alignment with strategic and security objectivesDrive innovation, research, and capability developmentRepresent the organisation at senior external forumsMentor and develop the internal architecture community RequirementsProven experience leading enterprise architecture in large, complex environments (Essential)Strong background in defence/aerospace programmes within secure or government contexts (Essential)Expertise in enterprise architecture frameworks (e.g. TOGAF, MODAF, ArchiMate) (Essential)Deep understanding of secure-by-design principles and cybersecurity (Essential)Experience in architectural governance, design assurance, and cross-domain deliveryStrong leadership, mentoring, and stakeholder management skillsRelevant certifications (e.g. TOGAF, cloud architect, CISSP)Experience contributing to industry standards or thought leadershipExposure to international or regulatory environments This opportunity is operating ..... full job details .....