Security Engineer, Applied AI — AI-Driven Defense

Meta; Salt Lake City (UT); On-site; USD 154,000 - 217,000; Full time

Job summary

Meta is seeking a Security Engineer to join our Applied Artificial Intelligence (AAI) organization. As a Security Engineer in AAI, you will apply deep domain expertise to solve hard, real-world security problems, building novel security capabilities, prototyping AI-powered defenses, and advancing the frontier of what AI systems can do in security.

Your work blends hands-on security engineering with applied research: designing and executing novel approaches to security challenges that push Meta's

Qualifications

• 5+ years of hands-on security engineering experience in one or more domains.
• Extensive knowledge of attacker tactics, techniques, and procedures.
• Proficiency in coding with languages such as Python, Go, C/C++, or shell scripting.
• Experience building security systems, tools, or capabilities — not just identifying problems but engineering solutions.
• Demonstrated ability to operate independently on complex, ambiguous security challenges.

Responsibilities

• Apply deep security domain expertise to identify, scope, and solve complex security problems.
• Build security products, tools, and capabilities — prototyping AI-driven solutions at scale.
• Design and execute adversarial research, threat intelligence analysis, or investigation workflows augmented by AI.
• Identify where AI models lack security reasoning and contribute through signals and feedback.
• Collaborate with engineering, product, and research teams to incorporate security innovations into production AI systems.
• Drive end-to-end execution of complex security initiatives with independence.

Skills

Security engineering

Attacker tactics & techniques

Python

Go

C/C++

Shell scripting

Independent working

Job description

Meta is seeking a Security Engineer to join our Applied Artificial Intelligence (AAI) organization. As a Security Engineer in AAI, you will apply deep domain expertise to solve hard, real-world security problems, building novel security capabilities, prototyping AI-powered defenses, and advancing the frontier of what AI systems can do in security.

Your work blends hands-on security engineering with applied research: designing and executing novel approaches to security challenges that push Meta's