Perimeter Security Engineer

Warner Bros. DiscoverySilver Spring, MD
$91,000 - $169,000Hybrid

About The Position

The WAF Perimeter Security Engineer is a critical technical role responsible for securing WBD’s global edge infrastructure through advanced WAF and DDoS protections. This candidate will be considered a hands-on expert in WAF security, with proficient experience in traffic analysis, rule customization, and threat mitigation. Ideal candidates will have the following expectations: proactively design and tune WAF policies to defend against evolving threats, collaborate with product and engineering teams to embed security into edge services and APIs, and respond to real-time attacks with precision and agility. This role requires a strong understanding of web application architectures, application behavior, and the threat landscape, along with the ability to translate complex security requirements into scalable, effective solutions.

Requirements

  • 3+ years of experience working with, configuring, and maintaining web application firewalls (WAF), including troubleshooting, rule development and deployment.
  • Knowledge of web application attack techniques and common vulnerabilities (i.e. OWASP Top 10).
  • Detailed understanding of the threats faced directly to consumer and digital platform organizations.
  • Proven expertise with at least one major WAF platform (Akamai, Fastly NGWAF, AWS WAF, Azure, or similar).
  • Familiarity with log analysis tools, scripting (Python, Bash, PowerShell), and automation frameworks.
  • Proven hands-on experience engineering across one of the various Cloud Providers (AWS, GCP, Azure).
  • Strong problem-solving skills with the ability to quickly analyze issues and implement effective mitigations.
  • Excellent collaboration and communication skills across security, engineering, and product teams.

Nice To Haves

  • Security certifications - CISSP, CISM, CISA, SANS, etc. Is a plus.
  • Amazon certifications – Solutions Architecture Associate, Cloud Partitioner.
  • Experience with infrastructure-as-code (Terraform, CloudFormation) for WAF/DDoS deployment.
  • Familiarity with CDN integrations and API Security frameworks.
  • Exposure to DDoS mitigation at scale, including volumetric and application-layer attacks.

Responsibilities

  • Implement, configure, and maintain enterprise-grade WAF and DDoS protections across a large portfolio of properties.
  • Develop and fine-tune custom firewall rules, bot mitigation controls, and DDoS mitigation security policies.
  • Perform log analysis to identify malicious traffic patterns, false positives, and opportunities for tuning.
  • Contribute to automation efforts (infrastructure as code, CI/CD integrations, scripts) to deploy and maintain security configurations.
  • Identify security vulnerabilities and guide developers and engineers in addressing these issues
  • Participate in on-call rotation as a subject matter expert for WAF/DDoS incident response.
  • Partner with product, engineering, and operations teams to integrate WAF/Edge security controls into applications and services.
  • Research and stay current on the latest attack vectors, vulnerabilities, and exploits affecting web and API applications.
  • Recommend and implement improvements to strengthen defenses across the edge/perimeter layer.

Benefits

  • health insurance coverage
  • an employee wellness program
  • life and disability insurance
  • a retirement savings plan
  • paid holidays and sick time and vacation
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