WAF Engineer

Demonstrable expertise in investigating, analysing, and resolving WAF false positives and false negatives.

Strong expertise in implementing WAF solutions in Detection mode and transitioning policies to Prevention/Block mode through appropriate tuning and validation.

Proven expertise in 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.

Advanced hands-on expertise in attack mitigation, threat analysis, and the creation of bespoke security controls based on observed attack patterns.

Strong understanding of bot protection technologies, managed rule sets, policy tuning, and broader web application security best practices.

Demonstrated expertise 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.

Expertise in deploying and managing WAF infrastructure using Terraform or other Infrastructure as Code (IaC) technologies.

Proven ability to support large-scale production environments, with responsibility for change implementation, incident response, and threat mitigation.

Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field preferred, or equivalent industry experience.

Strong industry expertise within IT or Telecommunications environments. Financial Services experience preferred.

Advanced expertise in Azure WAF and network management within complex enterprise environments.

Deep technical expertise in Network Security, with exposure to technologies such as Azure Firewall, Palo Alto Firewall/VPN, and Cisco solutions considered advantageous.

Ability to blend creativity, problem solving, and technical expertise to refine existing concepts and develop innovative approaches.

Ability to drive business process improvements and collaborate effectively with stakeholders and peers.

Ability to work under pressure and resolve complex technical issues effectively.

Excellent interpersonal, stakeholder management, and communication skills.

We’re committed to equal employment opportunity and provide application, interview and workplace adjustments and accommodations to all applicants. If you foresee any barriers, from the application process through to joining WTW, please email candidatehelpdesk@wtwco.com