WAF Security Engineer

Reference: bjca06prv74n1v8q2ush

We are seeking a skilled WAF Security Engineer to design, implement, and maintain web application firewall solutions that protect critical applications, APIs, and digital services from evolving cyber threats. In this role, you will work closely with security, infrastructure, development, and operations teams to strengthen application security and ensure reliable protection across cloud and on-premises environments.

Your responsibilities will include configuring and tuning WAF policies, managing rulesets, reducing false positives, and responding to alerts and security incidents. You will analyse web traffic, investigate suspicious activity, and support the identification and mitigation of vulnerabilities, including injection attacks, cross-site scripting, bot activity, and denial-of-service attempts. You will also contribute to security assessments, penetration testing remediation, change management, and the development of monitoring, reporting, and incident response procedures. Keeping accurate documentation and ensuring solutions align with internal security standards and relevant regulatory requirements will be an important part of the role.

The successful candidate will have practical experience administering WAF technologies such as F5, Imperva, Cloudflare, AWS WAF, or comparable platforms, together with a solid understanding of HTTP, TLS, DNS, TCP/IP, web application architectures, APIs, and common OWASP risks. Experience with cloud security, SIEM platforms, automation, scripting, and infrastructure-as-code would be advantageous. You should be analytical, methodical, and confident working in a fast-paced environment, with the ability to communicate technical risks clearly to both technical and non-technical stakeholders. Relevant security certifications or demonstrable equivalent experience are desirable.

£48,987.00 - £55,000.00
Per annum
Added 18/09/2026
Reference: bjca06prv74n1v8q2ush

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