Senior Manager, Defensive Security

As the Senior Manager of Defensive Security, you will be instrumental in Major League Baseball’s effort to embed security into our product design and software delivery lifecycle.
You’ll lead the integration of anti-bot, anti-fraud, API, and application security tooling, and automate security controls across our CI/CD pipelines—ensuring our web and mobile platforms remain resilient and trusted by millions of fans and employees alike.
Your work will defend the league’s digital assets from emerging threats, ensuring every pitch, stream, and stat is delivered securely to fans around the world. You will also define MLB’s next-generation defensive strategy, including security for agentic AI, MCP infrastructure, and autonomous system-to-system interactions.
Responsibilities
Security Engineering & Automation
Design and implement scalable defensive security controls within CI/CD pipelines, infrastructure-as-code, and cloud-native environments
Lead integration of anti-bot, anti-fraud, API security, and application security tools across MLB's digital platforms
Improve our security architecture by partnering with DevOps, SRE, Product & Software Engineering teams to embed security early in the software development lifecycle (Shift Left)
Threat Defense & Incident Readiness
Oversee detection engineering efforts to improve visibility, reduce dwell time, and create actionable security alerts and response automations
Partner with the Security Operations and Offensive Security teams to mature incident response playbooks, adversary emulation, and purple team exercises
Evaluate threats, vulnerabilities, and attack techniques to ensure proactive defense postures (MITRE ATT&CK, D3FEND-aligned)
Take part in the on-call rotation for high-severity incident escalations, particularly during high-profile events such as major game days, ticket launches, or partner broadcasts
Vulnerability & Exposure Management
Lead vulnerability management activities, ensuring timely identification, triage, and

Requirements will be detailed in the application process.

Responsibilities will be detailed during the interview process.

Apply online at: https://www.themuse.com/jobs/mlb/senior-manager-defensive-security