Perimeter Security Engineer

Welcome to Warner Bros. Discovery… the stuff dreams are made of.

Who We Are…

When we say, "the stuff dreams are made of," we're not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD's vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what's next…

From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.

* Must work a hybrid schedule (3 days onsite) out of our Atlanta, DC, or Silver Spring office.
* 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.

Overview

As a WAF Perimeter Security Engineer, the ideal candidate is expected to:

* 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.

Qualifications & Experiences:

* 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, Power Shell), 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.

Not Required but preferred experience:

* Security certifications - CISSP, CISM, CISA, SANS, etc. Is a plus.

* Amazon certifications - Solutions Architecture Associate, Cloud Partitioner.

* Experience with infrastructure-as-code (Terraform, Cloud Formation) for WAF/DDoS deployment.

* Familiarity with CDN integrations and API Security frameworks.

* Exposure to DDoS mitigation at scale, including volumetric and application-layer attacks.

How We Get Things Done…

This last bit is probably the most important! Here at WBD, our…