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WTW

Global risk management, insurance brokerage, consulting

Manager, WAF Engineering

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeIn-person

About the Job

Requirements

  • A bachelor’s degree in Computer Science, Engineering, or Information Technology is strongly preferred, or relevant industry experience in a related field.
  • At least 5 years of leadership experience with direct reports in a similar role.
  • At least 5 years of experience in the IT or telecommunications industry.
  • At least 5 years of Azure WAF or network management experience.
  • At least 5 years of network security experience.
  • Demonstrable experience investigating, analysing, and resolving WAF false positives and false negatives.
  • Experience implementing WAF solutions in Detection mode and transitioning policies to Prevention/Block mode through tuning and validation.
  • Experience developing and maintaining custom WAF rules, rule exclusions, rate-limiting controls, and attack mitigation policies, beyond relying solely on out-of-the-box managed rules.
  • Extensive knowledge of web application attack vectors, including OWASP Top 10 vulnerabilities, SQL injection, cross-site scripting, remote code execution, bot attacks, credential stuffing, and API abuse.
  • Hands-on experience with attack mitigation, threat analysis, and creating bespoke security controls based on observed attack patterns.
  • Strong understanding of bot protection technologies, managed rule sets, policy tuning, and 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 with vendor-agnostic WAF platforms.
  • Experience deploying and managing WAF infrastructure using Terraform or other Infrastructure as Code technologies.
  • Experience supporting large-scale production environments with responsibility for change implementation, incident response, and threat mitigation.
  • Ability to refine existing concepts or develop new approaches using creativity, problem-solving, and technical skills.
  • Ability to enable changes in business processes and work cooperatively with stakeholders and peers.
  • Ability to work under pressure and resolve issues effectively.
  • Interpersonal and communication skills.

Responsibilities

  • Analyse and tune WAF policies to minimise false positives and false negatives while maintaining an appropriate security posture.
  • Design, implement, maintain, and optimise WAF policies across multi-cloud environments.
  • Lead investigation and mitigation of web application attacks, including OWASP Top 10 threats, bot attacks, credential stuffing, scraping, Layer 7 DDoS attacks, and other web-based threats.
  • Develop, maintain, and enhance custom WAF rules, managed rule exclusions, rate-limiting policies, and bot protection controls.
  • Support the transition of WAF policies from Detection mode to Prevention/Block mode through structured analysis, tuning, testing, and stakeholder engagement.
  • Analyse attack patterns, logs, and telemetry to identify emerging threats and implement effective mitigations.
  • Work with application owners, development teams, and security stakeholders to ensure secure onboarding and operation of internet-facing applications.
  • Provide subject matter expertise in web application security, secure application delivery, and WAF best practices.
  • Provide technical leadership to Audit & Compliance, Capacity Management, Lifecycle Management, Vulnerability Management, and Risk Management functions.
  • Provide leadership during major incidents and drive quick resolutions.
  • Provide line management for direct reports.
  • Act as the point of escalation for areas of accountability.
  • Coach team members proactively to raise the team’s technical acumen.
  • Restore service and complete root cause analysis for incidents, driving actions to mitigate root causes and prevent recurrence.
  • Participate in the Technical Design Authority forum.
  • Implement changes and proofs of concept in a controlled manner, with implementation and test plans.

Desired Qualifications

  • Financial Services experience.
  • Experience with Azure Firewall, Palo Alto Firewall/VPN, and Cisco.

About the Company

WTW

Global risk management, insurance brokerage, consulting

Willis Towers Watson provides risk management, advisory, and brokerage services to organizations worldwide. Its two segments are Risk & Broking, which identifies, quantifies, and places insurance coverage, and Health, Wealth & Career, which offers consulting, technology, and administration for health benefits, retirement plans, and talent programs. The company blends advisory services, technology platforms, and brokerage capabilities to deliver integrated risk and people solutions rather than relying on a single service line. Its goal is to help clients turn risk into a path for growth by aligning risk management with health, retirement, and talent strategies to support organizational success.

Company size
10,001+
Company stage
IPO
Headquarters
London, United Kingdom
Founded
1828

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