Applied AI Security Engineer: AI-Driven Defenses

Meta; Honolulu (HI); 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. 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 is AI-augmented from day one, leveraging AI tools to accelerate impact and shaping what AI security becomes.

Qualifications

• 5+ years 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

• Identify and solve complex security problems requiring multi-step reasoning.
• Build security products and AI-driven capabilities at scale.
• Design adversarial research, threat intelligence analysis, detection engineering, or investigation workflows augmented by AI.
• Improve AI model security reasoning via signals, evaluation, and feedback.
• Develop reusable methodologies to advance security posture and AI system performance.
• Collaborate with model researchers to translate security expertise into training signals.
• Partner with engineering, product, and research teams to productionize security innovations.
• Drive end-to-end execution of complex security initiatives.
• Disseminate findings through internal publications and community contributions.

Skills

Hands-on security engineering

Attackers TTPs

Programming languages

Security systems/tools development

Independent problem solving

Job description

Meta is seeking a Security Engineer to join our Applied Artificial Intelligence (AAI) organization. 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 is AI-augmented from day one, leveraging AI tools to accelerate impact and shaping what AI security becomes.