Head of Enterprise Security Architecture

Reference: 9ssu0i21zu2p6xij10do

We are seeking an accomplished Head of Enterprise Security Architecture to define and lead the organisation’s security architecture strategy across a complex, digitally enabled environment. This senior role will establish architecture principles, standards and roadmaps that support business growth while protecting critical information, systems and services. You will provide expert guidance to technology and business leaders, ensuring security is embedded into enterprise strategy, transformation programmes and major technology decisions from the outset.

Key responsibilities include leading the development and continuous improvement of the enterprise security architecture framework; translating business and regulatory requirements into practical security controls; and overseeing architecture for cloud, applications, infrastructure, data, identity and emerging technologies. You will assess security risks, review proposed designs, identify areas for improvement and influence investment priorities. The role will also involve setting governance processes, maintaining security architecture documentation, contributing to policies and standards, and supporting assurance activities, audits and regulatory engagements. You will build strong relationships with senior stakeholders, delivery teams, risk and compliance functions, and external partners, while mentoring and developing security architecture capability across the organisation.

The successful candidate will bring substantial experience in enterprise security architecture, cyber security strategy or a closely related discipline, gained within large, complex or highly regulated environments. You will have a strong understanding of security frameworks, risk management, secure-by-design principles, cloud security, identity and access management, network architecture, data protection and application security. Relevant professional qualifications such as CISSP, CISM, SABSA or equivalent are desirable. Excellent communication, influencing and leadership skills are essential, along with the ability to explain complex technical risks clearly and make sound, commercially aware decisions. You should be strategic and pragmatic, comfortable working at executive level while remaining engaged with technical detail, and committed to building resilient, proportionate and sustainable security capabilities.

COMPETITIVE SALARY
Added 08/09/2026
Reference: 9ssu0i21zu2p6xij10do

Head of Enterprise Security Architecture

London, England, United Kingdom Permanent Security Architect

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