Lorien
WAF Engineer
WAF Engineer at Lorien, based in London. This is a contract role with remote working.
- Pay
- Not given by the employer
- Hours and contract
- Contract · Remote
- Location
- London
- Closing date
- Sector
- Engineering & Manufacturing
Reference 642828458359783703
About the role
We are currently recruiting for a Engineer with strong Azure WAF (Web Application Firewall) experience to join one of our Insurance clients on a 6 month contract.
Please note the role is Inside IR35 and remote working
Experience required:
- Experience investigating, analysing and resolving WAF false positives and false negatives.
- Strong experience implementing WAF solutions in Detection mode and transitioning policies to Prevention/Block mode through appropriate tuning and validation.
- Developing and maintaining custom WAF rules, rule exclusions, rate limiting controls and attack mitigation policies, rather than solely relying on out-of-the-box managed rules.
- Extensive knowledge of web application attack vectors, including OWASP Top 10 vulnerabilities, SQL Injection, Cross-Site Scripting (XSS), Remote Code Execution (RCE), bot attacks, credential stuffing and API abuse.
- Hands-on experience with attack mitigation, threat analysis and creation of bespoke security controls based on observed attack patterns.
- Strong understanding of bot protection technologies, managed rule sets, policy tuning and wider web application security best practices.
- Experience with Azure Front Door WAF and Azure Application Gateway WAF in enterprise-scale environments.
- Experience working across multi-cloud environments and/or vendor-agnostic WAF platforms.
- Experience deploying and managing WAF infrastructure using Terraform or other Infrastructure as Code (IaC) technologies.
- Network Security experience. Azure Firewall, Palo Alto Firewall/VPN, Cisco would be advantageous.
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Reference: 642828458359783703 · Posted 4 days ago · Closes 1 Dec 2026 · Listed via Lorien
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