Senior Staff Security Engineer

About Us

Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally.

About the Team

As a Senior Staff Security Engineer on the Fanatics Ecosystems Security team, you'll operate across the full breadth of our security domains, spanning application, AI, cloud, identity, and edge security. You'll lead security reviews, deliver impactful tooling in close partnership with engineering teams, and drive security programs with efficiency and scale.

Responsibilities

Set the secure architecture strategy across product and enterprise environments, includingon-premises, cloud, and containerless environments, establishing patterns and guardrails that otherengineers and security teams build on, with a primary focus on application security and AI/MLsystem security

Lead threat model reviews for the most complex services and AI systems, including LLM-integratedproducts, agentic workflows, and model supply chains. (Be an Enabler)

Define and evolve the org's approach to AI security, securing model pipelines, data and trustboundaries, third-party model integrations, and AI attack surfaces

Contribute production code to product features and internal security tooling as a hands-onengineering partner

Act as the technical escalation point across security domains, including AppSec, cloud, identity,CI/CD, and AI, providing efficient security input across multiple product teams and architecturereviews simultaneously

Drive and scale security coding programs supporting immutable, version-controlled environmentsthrough infrastructure as code, detection as code, and other engineering security initiatives

Mentor senior and staff level engineers, raising the security engineering bar across the organization

Represent security in cross-functional and executive level architecture discussions, translatingtechnical risk into business impact

Participate in an on-call rotation to provide 24/7 support for incident escalations, serving as anescalation lead for the most complex incidents

Experience and Skills

12+ years of experience in security engineering or a related field, including 6+ years of hands-onsoftware engineering experience

Required: Strong proficiency developing and reviewing code in one or more programminglanguages, including Python, Java, or Go

Deep expertise in application security, including secure SDLC integration, SAST/DAST/IAST tooling,manual code review, and API security.

Demonstrated experience securing AI systems, including LLM application security, prompt injectiondefenses, data governance, secure agentic tool use, and emerging AI-specific threats

Demonstrated expertise implementing AWS security services and best practices (CloudTrail,GuardDuty, CloudWatch, Security Hub) at scale across multi-account environments

Hands-on experience managing WAF platforms (Cloudflare, Akamai, Fastly, AWS WAF or equivalent),including custom rule development, not just enabling managed rulesets

Demonstrated experience leveraging infrastructure as code with tools such as Terraform or Ansible,including designing secure module patterns and policy-as-code guardrails

Experience with identity management protocols (OAuth, SAML, OpenID Connect) and designingidentity architecture across multiple business units or products

Deep understanding of secure CI/CD pipeline design, able to define what a good release pipelinelooks like, why each stage exists, and how to harden against supply chain and pipeline compromise

Track record of influencing security strategy and roadmap at an organizational level, not justexecuting within a single team

Relevant certifications such as OSCP, OSWE, OSCE, or CISSP

Depending on the role, your interview and onboarding experience may include in-person components, such as onsite interviews or Launching into Better: LIVE—a multi-day cultural immersion in New York City for full-time, non-seasonal hires. These sessions are designed to build connection and bring our culture to life, though specific travel and participation requirements will be confirmed based on your role and location. Your recruiter will provide clear guidance at each stage of the process.

For information about our benefits, please visit <https://benefitsatfanatics.com/Ranges> will change based on country and state of residence, which are reflected in Geographical Zones defined by Fanatics Betting and Gaming. The range incorporates all of our Geographical Compensation Zones and is subject to change as the Zone associated with the actual offer is confirmed. In addition to the base and bonus, full-time employment, and more. For information about our benefits, please visit <https://benefitsatfanatics.com/>

Salary Range$167,000—$275,000 USDBy submitting your application, you agree to our terms of service and acknowledge you have read our Candidate Privacy Policy.