WAF Engineering Lead

WTWNew York, NY

About The Position

The WAF Engineering Lead role is intended to maximise the operational performance of WTW services and maintain a strong secure posture. The role is accountable for BAU support of issues, controlling policy & compliance and supporting change activities. This role ensures the technical success of WAF services within the WTW environment in a Tier 3 capacity and management of direct reports.

Requirements

  • Bachelor’s degree in Computer Science, Engineering, Information Technology strongly preferred, or relevant industry experience in related field.
  • Minimum 5 years’ leadership experience (direct reports) in similar role
  • Minimum 5 years’ experience in IT or Telecoms industry.
  • Minimum 5 years’ Azure WAF/Network management experience
  • Minimum 5 years’ Network Security experience.
  • Demonstrable 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.
  • Proven experience 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.
  • Experience supporting large-scale production environments with responsibility for change implementation, incident response and threat mitigation.
  • Ability to blend creativity, problem solving, and technical skills for refining existing concepts or developing new approaches.
  • Ability to enable changes in the business processes and ability to work cooperatively with stakeholders and peers is essential.
  • Ability to work under pressure and to resolve issues effectively.
  • Excellent interpersonal and communication skills.

Nice To Haves

  • Financial Services experience preferred.
  • Azure Firewall, Palo Alto Firewall/VPN, Cisco would be advantageous.

Responsibilities

  • Perform analysis and tuning of 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 the 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 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 closely with application owners, development teams and security stakeholders to ensure secure onboarding and operation of internet-facing applications.
  • Provide subject matter expertise for 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 to quick resolutions.
  • Provide line management for direct reports
  • Point of escalation for areas of accountability
  • Coach team members on a proactive basis, raising the team’s overall technical acumen.
  • Restore service and complete root cause analysis of all incidents, driving actions to mitigate the root cause and remove risk of reoccurrence.
  • Participate on the Technical Design Authority forum
  • Implement changes/POCs to the environment in a controlled manner, with implementation and test plans.

Benefits

  • Mental health/emotional wellbeing (including Employee Assistance Program)
  • medical (including prescription drug coverage and fertility benefits)
  • dental
  • vision
  • Health Savings Account
  • Commuter Accounts
  • Health Care and Dependent Care Flexible Spending Accounts
  • company-paid life insurance
  • supplemental life insurance
  • AD&D
  • group accident
  • group critical illness
  • group legal
  • identity theft protection
  • wellbeing program
  • adoption assistance
  • surrogacy assistance
  • auto/home insurance
  • pet insurance
  • other work/life resources
  • Paid Holidays
  • Annual Paid Time Off (includes state/local paid leave where required)
  • Short-Term Disability
  • Long-Term Disability
  • Other Leaves (e.g., Bereavement, FMLA, ADA, Jury Duty, Military Leave, and Parental and Adoption Leave)
  • Paid Time Off (only included for Washington roles)
  • Qualified contributory pension plan (if eligible)
  • 401(k) plan with annual nonelective company contribution.
  • Non-qualified retirement plans available to senior level colleagues who satisfy the plans’ eligibility requirements.
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