Web Application Firewall Specialist (m/f/d) (Barcelona)

Web Application Firewall Specialist (m/f/d)

We are seeking a skilled and proactive Web Application Firewall (WAF) Specialist to join our cloud WAF team. The role focuses on safeguarding web applications and APIs against evolving cyber threats.

What you do

• Design, implement WAF rules to mitigate vulnerabilities and protect against OWASP Top 10 threats (e.g., XSS, SQLi etc).
• Configure and optimize WAF policies, including positive and negative security models. Monitor and adjust rate‑limiting, IP allow/deny lists, and bot protection.
• Respond to security incidents, analyze logs and provide real‑time WAF tuning to mitigate threats as well as conducting root cause analysis (RCA) for WAF‑related incidents and recommending improvements.
• Use WAF tools and dashboards to monitor real‑time threats and trends. Generate reports and provide insights to stakeholders on WAF effectiveness and security posture.
• Collaborate with DevOp...