Join to apply for the F5 WAF Tuning Engineer role at The Chrysalis Programme

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Join to apply for the F5 WAF Tuning Engineer role at The Chrysalis Programme

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 & GCP as preference) / OR Generic WAF tuning resource (cross-skill utility)

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 & 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.
  
  

• Prior experience in professional services engagements or consulting.
• Familiarity with at least one cloud provider in real operational environments.
• Strong soft skills -happy to learn above and beyond the role - initiative-taking, collaborative, and able to communicate tuning rationale.
  
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  Software Development

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