Product Security Engineer - Technical Lead

The Meta Product Security team is responsible for improving the security posture of the software and services. Our work spans across Meta’s family of apps (Facebook, Instagram, WhatsApp), Oculus, and all of the underlying systems and infrastructure that power these products behind the scenes.We strive to go beyond just identifying security vulnerabilities and flaws by helping teams fix issues before they are live in production and automatically preventing security problems during the development process. We are seeking a experienced security engineering technical lead to help us build systems which grow the security maturity of the software and services underpinning everything Meta makes today and in the future.In this role, you will help protect the safety and privacy of Meta’s global user base!

Product Security Engineer - Technical Lead Responsibilities:

• Represent the security organization in product strategy and roadmap development, ensuring alignment with engineers and leadership
• Identify, prioritize, and execute strategic initiatives to enhance the security maturity of our products at scale, leveraging expertise in security best practices and industry trends
• Provide architectural, design, and threat-based guidance to software development teams to improve the security maturity before code is written
• Conduct code reviews in: Python, PHP, Java, Ruby, Go, Rust, C/C++ (or similar language)
• Eliminate classes of security problems by shifting the detection and prevention left into the development workflow
• Act as the primary liaison between the product/engineering teams and the Meta security team

• B.S. or M.S. Computer Science, Engineering, or related technical discipline, or equivalent experience
• 8+ years of experience in product security engineering, including securing software and services
• Experience fixing product security risks across broad problem spaces using influence and relationships
• Experience in designing, analyzing, improving efficiency, scalability, and stability distributed systems and conducting threat model assessment of software and services
• Experience communicating risks and roadmaps to leadership

Preferred Qualifications:

• Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
• Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
• Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies
• Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
• Experience making contributions to the security or privacy community (public research, blogging, presentations, etc.)
• Broad knowledge of the security domain in one or more of the following domains: web applications, mobile applications, distributed infrastructure, consumer devices, production hardware, or a related field
• Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)
• Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies

Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today-beyond the constraints of screens, the limits of distance, and even the rules of physics.