Meta
Security Engineer, Trust & Safety - Applied AI
$154K–$217K
Menlo Park, CA +2 · Full-time · Posted Oct 12, 2026
- Location
- Menlo Park, CA
Washington, DC
New York, NY - Experience
- 5+ years of hands-on engineering experience; alternatively, PhD plus 2 years of hands-on engineering experience.
- Education
- B.S. or M.S. in Computer Science, Cybersecurity, or related field, or equivalent experience; alternatively, PhD plus 2 years of hands-on engineering experience.
About the job
Applies Trust & Safety expertise to improve AI capabilities and build systems and evaluations addressing online abuse and adversarial behavior.
What you'll do
- Architect Trust & Safety capabilities and evaluation infrastructure for AI-driven solutions.
- Develop methodologies to improve models on complex abuse problems, including campaign-scale abuse and policy interpretation.
- Lead cross-organizational technical work, mentor engineers, and share findings through publications and community contributions.
What they ask for
- B.S. or M.S. in Computer Science, Cybersecurity, or a related field, or equivalent experience; alternatively, PhD plus 2 years of hands-on engineering experience.
- 5+ years of hands-on engineering experience in Trust & Safety, integrity, fraud and abuse, or security investigations.
- Demonstrated depth in at least one listed abuse domain and experience building detection, enforcement, or evaluation systems in an abuse domain.
- Experience analyzing large-scale data, including relational databases and SQL, and coding in PHP, Python, Java, or a similar language.
Nice to have
- Experience adversarially testing conversational or agentic systems, or improving AI model performance through expert feedback, red-teaming, or evaluation design.
- Contributions to the Trust & Safety or security community, such as research, tools, presentations, or publications.
Pay
$154,000/year to $217,000/year (base salary); bonus + equity (amount not stated)
Tools
SQL, PHP, Python, Java
AI focus
Use AI tools and agents, design evaluations, and improve AI models’ ability to address Trust & Safety abuse problems; includes adversarial testing and responsible AI practices.
Model-written summary · the original posting is authoritative