Security Foundations Lead Engineer — Cross‑Domain Security

Meta; Carson City (NV); On-site; USD 271,000 - 347,000; Full time

Job summary

Meta is seeking a Security Engineer Lead in Security Foundations to scope, design, and champion security solutions across the company. The role spans identity and access, cryptography, AI security, cloud, and asset management, with responsibilities across multiple engineering teams and regulatory considerations.

You will translate high-level security requirements into concrete, company-wide controls while maintaining progress and velocity.

Qualifications

• Deep technical expertise across security domains
• Experience driving large cross-company engineering initiatives
• Ability to balance security tradeoffs with business needs
• Strong communication across functions to drive solutions
• Capability to operate in high-ambiguity environments
• Hands-on engineering leadership across security and software teams
• Experience with identity, cryptography, AI security, and cloud security

Responsibilities

• Set technical direction for security solutions and platforms across the company
• Identify highest-risk items company-wide and lead threat modeling and solutions
• Define how AI agents are identified, authorized, and audited across Meta infrastructure
• Balance security tradeoffs with friction and cost to maintain velocity
• Drive solution design, including architecture, and lead implementation
• Build partnerships across security, infrastructure, engineering, and legal
• Represent tradeoffs to senior leadership to drive decisions

Skills

Technical leadership

Cross-company initiatives

Security risk management

Stakeholder communication

Ambiguity handling

Hands-on engineering

AI/ML security

Education

B.S. Computer Science or related field

Tools

Active Directory

Job description

Meta is seeking a Security Engineer Lead in Security Foundations to scope, design, and champion security solutions across the company. The role spans identity and access, cryptography, AI security, cloud, and asset management, with responsibilities across multiple engineering teams and regulatory considerations.

You will translate high-level security requirements into concrete, company-wide controls while maintaining progress and velocity.