AI-Powered Security Engineer — Frontier AI Defense

Meta; Carson City (NV); On-site; USD 154,000 - 217,000; Full time

Job summary

Meta is seeking a Security Engineer in our Applied Artificial Intelligence (AAI) organization to build AI-powered defenses, prototype security tools, and push the frontier of AI-driven security. You will blend hands-on security engineering with applied research to design and execute innovative security solutions at scale.

You will collaborate with model researchers and cross-functional teams to translate security expertise into scalable, AI-native capabilities, while driving end-to-end

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 — 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 requiring multi-step reasoning.
• Build security products, tools, and capabilities — prototyping AI-driven solutions to real-world security challenges at Meta's scale.
• Design and execute adversarial research, threat intelligence analysis, detection engineering, platform security research, or investigation workflows augmented by AI tools and agents.
• Identify where AI models lack security reasoning capability and contribute to improving them through signals, evaluation, and feedback.
• Develop novel methodologies and reusable approaches that advance Meta's security posture and AI system performance.
• Collaborate with model researchers to translate security expertise into training signals for models.
• Partner cross-functionally 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.
• Disseminate findings through internal publications and knowledge sharing.

Skills

Security engineering

Threat intelligence

Adversarial research

AI security

Incident response

Cloud security

Detection engineering

Platform security

Mobile security

Forensic investigation

Adversary simulation

Digital forensics

Tools

Python

Go

C/C++

Shell scripting

AWS

GCP

Azure

Job description

Meta is seeking a Security Engineer in our Applied Artificial Intelligence (AAI) organization to build AI-powered defenses, prototype security tools, and push the frontier of AI-driven security. You will blend hands-on security engineering with applied research to design and execute innovative security solutions at scale.

You will collaborate with model researchers and cross-functional teams to translate security expertise into scalable, AI-native capabilities, while driving end-to-end