F5 WAF Tuning Engineer

Contract: WAF Tuning Start Date: ASAP Duration: 3 months (extendable) Location: Hybrid (On site in Sheffield/Birmingham or Edinburgh 3 days a week) Rate: Negotiable depending on experience (deemed inside IR35) Reference: 19542 You will either be a F5 WAF tuning specialists (OWASP experience required OR Cloud-native WAF engineers (minimum 2 of 3 CSPs) (AWS andamp; GCP as preference)/OR Generic WAF tuning resource (cross-skill utility) Immediate contract for experienced WAF engineers to help augment the internal Efficacy and Security Engineering teams with hands-on consultancy focused on WAF tuning and efficacy testing across F5 and cloud-native WAFs (covering at least two out of three major CSPs: AWS, Azure, GCP). A focus on tuning rules, analysing data, reducing false positives, and validating control efficacy in production-like conditions. Scope Includes:Hands-on tuning experience with F5.Custom rule creation, OWASP rule tuning (especially for F5), false positive reduction.Log analysis and data-driven tuning based on real traffic.Support for cloud-native WAF tuning (all three Cloud providers) -not deployment or infra setup.Efficacy testing in partnership with the internal team - recommend adjustments based on findings.Well-rounded profiles with real-world exposure -not theoretical or solely vendor-trained.Key Expectations:Prior experience in professional services engagements or consulting.Familiarity with at least one cloud provider in real operational ..... full job details .....