Product Security Engineer - Team Lead

JobCubby; Menlo Park, Northern (CA, KY); Hybrid; USD 219,000 - 301,000; Full time

Job summary

Meta is seeking Security Engineers to provide technical leadership across web and AI security. You will define strategy, build tooling, and ship secure features for agentic products and apps.

You will author code in multiple languages, influence cross-functional teams, and develop scalable security systems. This role emphasizes security maturity and collaboration across security and product teams in a fast-paced environment.

Qualifications

• BS/MS in CS/Engineering or equivalent experience.
• 10+ years building enterprise-scale infrastructure software.
• 8+ years coding in Python, PHP, Java, Ruby, Go, Rust, or C/C++.
• Experience fixing infra security across broad org boundaries.
• Experience in designing, analyzing, improving distributed systems and threat modeling.
• Experience owning a component, feature, or system.

Responsibilities

• Author code and conduct code reviews in Python, PHP, Java, Ruby, Go, Rust, C/C++ (or similar).
• Influence and align security strategy with multi-year roadmaps and programs.
• Conceive, design, and develop scalable security products and frameworks.
• Identify and prioritize improvements to security maturity across orgs.
• Collaborate with cross-functional teams to prioritize security work.
• Shift detection and prevention left in the development workflow with guidance.

Skills

Security engineering

Python

Threat modeling

Infrastructure security

Code reviews

Communication

Education

BS/MS in CS/Engineering

Tools

Go

Rust

C/C++

Terraform

Linux

Job description

Product Security is looking for Security Engineers to provide technical leadership across multiple large problem spaces (web security, AI security). You will be working closely with product teams and partner security organizations to define strategy, build security tooling, and ship secure-by-design product functionality for our agentic products and family of apps.

Responsibilities

• Author code and conduct code reviews in: Python, PHP, Java, Ruby, Go, Rust, C/C++ (or similar language)
• Influence and align the organization’s vision and strategy, while engaging our teams to develop and deliver specific, multi-year roadmaps, programs, and projects. Ensure prioritization, resourcing, and timely delivery of this work within a changing business environment
• Conceive, design, and develop scalable, reliable security products, systems and/or frameworks. Analyze and improve efficiency, scalability, and stability of the existing security systems and frameworks
• Identify and prioritize areas of improvement to the security maturity across Meta. Improve the security maturity at scale by directly designing, implementing, and building solutions
• Collaborate with cross-functional teams to ensure security maturity work is being prioritized and addressed
• Eliminate classes of security problems by shifting the detection and preventions left into the development workflow. Provide architectural, design, and threat-based guidance to software development teams to improve the security maturity before code is written
• Establish self as an owner of a particular security system with end-to-end understanding

Minimum Qualifications

• B.S. or M.S. Computer Science, Engineering, or related technical discipline, or equivalent experience
• 10+ years work experience building and securing enterprise-scale infrastructure software and services
• 8+ years work experience authoring code in Python, PHP, Java, Ruby, Go, Rust, C/C++ (or similar language)
• Experience fixing infrastructure security problems across broad corporate boundaries using influence and relationships
• Experience in designing, analyzing, improving efficiency, scalability, and stability distributed systems and conducting threat model assessment of infrastructure software and services
• Experience owning a particular component, feature or system

Preferred Qualifications

• Broad knowledge of the security domain, which might include security investigations, incident management, digital forensics, offensive security, vulnerability management, product security, and much more
• Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)
• 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
• Experience making contributions to the security or privacy community (public research, blogging, presentations, etc.)

$219,000/year to $301,000/year + bonus + equity + benefits