Senior Security Engineer - Detection and Response

Fanatics Commerce is the global leader in licensed sports merchandise, operating a vertically integrated platform that designs, manufactures, and delivers officially licensed apparel, jerseys, headwear, and collectibles for major leagues, teams, and events worldwide. With more than 900 e-commerce sites and a global omnichannel presence across digital, in-venue, and retail, Fanatics Commerce reaches fans in over 180 countries and powers official fan experiences for many of the world's most iconic sports properties. At Fanatics, we bring our BOLD Leadership Principles to life every day - building championship teams, obsessing over fans, acting with entrepreneurial speed, and delivering with a determined and relentless mindset. As we continue to scale our global platform, the Senior Security Engineer, Detection & Response will play a critical role in advancing Fanatics' threat detection, automated incident response, and AI-enabled security capabilities. ROLE OVERVIEW Fanatics is seeking an experienced Senior Security Engineer to join our Detection and Response team, bringing hands-on expertise in incident response, detection engineering, and SOAR development to help scale our security operations. The ideal candidate combines a defensive practitioner's mindset with deep knowledge of adversarial TTPs, driving continuous improvement across detections, automated workflows, and cross-team security partnerships. The Senior Security Engineer, Detection & Response delivers business and fan impact through BOLD leadership and execution excellence, leveraging data, automation, and AI-enabled insights. HOW WILL YOU DRIVE IMPACT Success is measured by the ability to deliver results through BOLD capabilities and measurable outcomes. Team & Leadership Impact (Build Championship Teams) Provide technical input and direction on detection and response projects, including tasking, reviewing peer engineers' work, and mentoring team members to elevate the team's overall capability. Partner with leadership and peers to gather requirements, priorities, and enhancement requests, translating them into data, tooling, and integration requirements that align with organizational goals. Collaborate closely with engineering teams across the organization to continuously define use cases and requirements for enabling technologies including SIEM, SOAR, EDR, Intrusion Detection Systems, Secure Web Gateway, DNS security, System Hardening, Identity Management, and PKI. Fan & Customer Impact (Obsessed with Fans) Respond to security incidents and conduct thorough investigations, clearly articulating potential risks and remediation strategies to stakeholders at all levels to protect the platform and the fan experience. Apply a usable security philosophy — ensuring that security controls and processes protect Fanatics' fans and data without disrupting the pace of innovation that drives the business. Participate in an on-call rotation, monitoring the real-world…