Director of Safety ML

New
R
RedditSocial Media
This role is completely remote friendly within the United States.Full-TimeDirector
Salary276,700 - 387,400 USD per year
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Job Details

Experience
10+ years of experience in Machine Learning, AI, or applied research
Required Skills
Machine LearningPeople ManagementNLPLLM

Requirements

  • 10+ years of experience in Machine Learning, AI, or applied research, with a strong background in Trust & Safety, abuse prevention, detection, or content integrity.
  • 5+ years of experience leading multi-disciplinary ML teams of 25+ team members (applied science, engineering, analytics) in a high-growth or high-impact environment.
  • Experience managing people leaders (managers with direct reports).
  • Proven track record of shipping ML systems at scale in production, ideally including transformer-based models and LLM fine-tuning.
  • Depth in NLP, content understanding, detection systems, supervised and weak-supervision techniques.
  • Strong cross-functional leadership skills, with ability to influence executives and foster alignment across Safety, Product, and Engineering.
  • Thought leadership in responsible AI, safety ML research, or safety measurement frameworks.
  • Entrepreneurial mindset — experience founding or scaling a product or ML org.

Responsibilities

  • Set the vision and strategy for applying ML to Trust & Safety, ensuring scalable, proactive protection against evolving abuse patterns.
  • Lead and grow a high-performing Safety ML organization, including applied research, model development, productionization, and continuous improvement.
  • Develop and deploy cutting-edge Safety ML systems (including fine-tuned LLMs and transformer models) that outperform state-of-the-art solutions in quality, latency, and efficiency.
  • Partner with Trust & Safety, Product, Moderation, and AI/ML Platform teams to identify safety risks, emerging harm vectors, and ML opportunities that improve detection, enforcement, and user experience.
  • Drive successful experimentation, evaluation, and model lifecycle management, ensuring high precision, recall, explainability, and policy alignment.
  • Champion ethical and responsible AI practices in all Safety ML solutions.
  • Track performance through metrics, research-based iteration, and alignment with Reddit’s safety policies and regulatory standards.
  • Represent Safety ML leadership internally and externally — including conferences, publications, industry groups, and cross-company collaboration initiatives.
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276,700 - 387,400 USD per year
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