Lead Security Architect ( Networks)
We are seeking a Lead Security Architect (Networks) to define and deliver secure, resilient network architecture across a complex technology environment. This is a senior role for an experienced security professional who can translate business and technology objectives into practical, scalable security solutions. You will provide architectural leadership across network security, cloud connectivity, infrastructure protection, remote access, segmentation, secure application delivery and emerging technologies.
You will own the development and maintenance of network security architecture, standards, principles and reference designs. Working closely with engineering, infrastructure, cloud, operations, risk and delivery teams, you will assess current and proposed solutions, identify security risks and recommend appropriate controls. Your responsibilities will include designing and reviewing network security patterns, supporting major transformation and implementation programmes, contributing to security strategy and roadmaps, and ensuring that solutions meet regulatory, governance and resilience requirements. You will also guide the selection and adoption of technologies such as firewalls, intrusion prevention, secure web gateways, zero-trust controls, VPN and remote-access platforms, network access control, DDoS protection and cloud-native security services.
The successful candidate will have substantial experience in network security architecture within large, complex or regulated environments, together with a strong understanding of enterprise networking, routing, switching, DNS, identity, encryption and cloud networking. You should be confident producing architecture documentation, security assessments and technical recommendations, and communicating effectively with both technical and non-technical stakeholders. Experience with recognised security frameworks, threat modelling, secure-by-design practices and architecture governance is essential. Relevant professional certifications, such as CISSP, CCSP, SABSA, TOGAF or equivalent, are desirable. You will be an influential technical leader who can challenge constructively, mentor colleagues and drive consistent security outcomes across multiple teams and programmes.
Lead Security Architect ( Networks)
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