Senior Security Engineer - Perimeter Security Operations

Fanatics Commerce is seeking a Senior Security Engineer to join our Perimeter Security Operations team, responsible for protecting our global e-commerce and API platform against modern threats while ensuring high availability and optimal performance across millions of daily requests.

You will focus on the operations side of perimeter security, managing detection, response, tuning, automation, and reliability across multiple CDN, WAF, and networking layers. You’ll partner closely with engineering, platform, SRE, and SOC teams to drive observability, enforce best practices, and continuously strengthen our edge defense posture.