Job Title: WAF & Application Security SME Location: Birmingham (Hybrid - 60% office/40% home, 3 days in the office mandatory) Salary/Rate: £480 Per Day - Inside IR35 Start Date: 15/09/2025 End Date: 15/09/2026 Job Type: Contract Company Introduction We have an exciting opportunity for a skilled Web Application Firewall (WAF) & Application Security Subject Matter Expert to join a high-profile programme. This role is pivotal in enhancing and tuning WAF solutions across a variety of applications to improve security posture and protect against advanced web-based threats. Job Responsibilities/Objectives You will be responsible for designing, testing, tuning, and implementing advanced WAF configurations, ensuring maximum efficacy while avoiding outages or bypasses. Craft, test, and deploy complex custom WAF rules to mitigate security gaps and improve overall protection. Conduct detailed log analysis to identify and reduce false positives, optimising rule sets for accuracy and performance. Provide SME-level guidance on web and API-based attack methodologies, evasion techniques, and mitigation strategies. Support DevSecOps pipeline integration for automated WAF efficacy testing. Maintain comprehensive documentation for tuning procedures, policies, and configurations.