Applied AI Security Engineer — AI-Driven Defense Architect

Meta; Dover (DE); On-site; USD 184,000 - 257,000; Full time

Job summary

Meta is seeking Security Engineers to join the Applied AI Intelligence (AAI) organization. You will apply deep domain expertise to build AI-powered security capabilities, prototypes, and defenses—driving improvements in AI-enabled security across detection, threat intelligence, incident response, and cloud security.

You will mentor engineers, shape methodologies for AI-driven security, and communicate outcomes to leadership while advancing security practices across Meta.

Qualifications

• 8+ years of hands-on security engineering experience in one or more domains: detection engineering, threat intelligence, incident response, cloud security, adversary simulation, offensive security, mobile/platform security, digital forensics, trust and safety.
• Deep expertise in attacker tactics, techniques, and procedures with demonstrated ability to advance the state of the art.
• Proficiency in coding with experience in languages such as Python or Rust.
• Track record of architecting security systems or programs that operate at scale and influence how others build.
• Demonstrated ability to define and drive complex, ambiguous problem spaces with group-level impact.
• Experience in driving alignment and resolution across multiple teams and cross-functional partners.

Responsibilities

• Identify and solve ambiguous problems within a Security, Trust, or Safety domain where the solution and requirements are initially unknown, driving solutions that affect multiple teams.
• Architect security systems and capabilities that set the standard across teams.
• Drive platform-level decisions for AI-driven security solutions at Meta's scale.
• Lead the strategy and methodology for adversarial research, threat intelligence programs, detection systems, or investigation capabilities augmented by AI.
• Shape how security expertise translates into AI capability: define the methodologies that make model improvement systematic and scalable.
• Set and improve quality standards for security engineering practices and processes across teams.

Skills

Security engineering

Threat intelligence

Incident response

Cloud security

Adversary simulation

Mobile/platform security

Digital forensics

Trust & Safety

Education

B.S./M.S. in Computer Science or Cybersecurity

Tools

Python

Rust

Job description

Meta is seeking Security Engineers to join the Applied AI Intelligence (AAI) organization. You will apply deep domain expertise to build AI-powered security capabilities, prototypes, and defenses—driving improvements in AI-enabled security across detection, threat intelligence, incident response, and cloud security.

You will mentor engineers, shape methodologies for AI-driven security, and communicate outcomes to leadership while advancing security practices across Meta.