Senior Security Infrastructure & Traffic Operations Manager
We are seeking a Senior Security Infrastructure & Traffic Operations Manager to lead the design, resilience, and day-to-day operation of critical security and network traffic platforms. This role will oversee infrastructure that protects systems, services, and users across complex, high-volume environments, ensuring secure, reliable, and efficient traffic flow. You will provide technical leadership across security engineering, network operations, incident response, and service availability, while helping shape long-term architecture and operational strategy.
Key responsibilities include managing security infrastructure such as firewalls, web application firewalls, intrusion prevention systems, secure gateways, load balancers, DDoS protection, VPNs, proxies, and traffic management technologies. You will monitor platform health and performance, lead the investigation and resolution of complex incidents, and coordinate response to outages, attacks, and degradation of service. The role will also involve developing operational standards, improving monitoring and alerting, maintaining configuration and change controls, supporting vulnerability remediation, and ensuring that systems are appropriately documented and regularly tested. You will work closely with engineering, cloud, infrastructure, compliance, and service delivery teams to implement secure solutions and minimise operational risk.
The successful candidate will bring substantial experience managing security infrastructure and traffic operations in large-scale or highly available environments. Strong knowledge of network security principles, TCP/IP, DNS, HTTP, routing, encryption, identity controls, cloud networking, and traffic optimisation is essential. Experience with automation, infrastructure as code, observability platforms, incident management, and security frameworks will be highly valued. You should be confident leading technical teams, influencing stakeholders, managing suppliers, and making sound decisions during high-pressure events. Excellent communication, structured problem-solving, and a continuous improvement mindset are essential. Relevant professional certifications in cybersecurity, networking, cloud, or service management are desirable.
Senior Security Infrastructure & Traffic Operations Manager
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