Skills · Train models
RL environments and verifiers
Course coming soon
Build the tasks, graders and verifiers a model is trained against, and keep it from gaming them.
Mentioned in 35 of 338 recorded research roles (10%) and 57 of 1,837 technical roles (3%), as of October 2, 2026.
Learn it here
- Test gaming, measured on small models
- Build an evaluation task around its environment
- RL Environments, Graders and Verifiers (coming soon)
The course page has its planned syllabus and a sign-up, which tells us how many people want it.
These counts describe the October 2, 2026 snapshot; postings need a fresh check. Explore opportunities.
Everything here that teaches it
1 piece. Pieces built around this skill come first in each list; the rest use it along the way.
Also in Train models: How language models work, Post-training and fine-tuning, Reinforcement learning, Pretraining and scaling laws, Interpretability, Alignment research, Multimodal models.
Who asks for it
- Research scientists and engineers 35 of 338
- Fellowships, residencies and internships 3 of 44
- Applied AI and forward-deployed 2 of 323
- ML systems and infrastructure 0 of 109
- Machine learning engineers 2 of 146
- Software engineering at labs 15 of 877
Recorded roles that mention it
57 recorded postings mention it. Here are the newest 40 research, fellowship, applied and ML-systems roles; the rest are on the role pages linked above. Each title opens the lab's own posting.
- Forward Deployed Engineer ↗
Warp · Applied AI and forward-deployed · No degree stated · $200k to $250k base
- Anthropic Fellows Program, ML Systems & Reinforcement Learning ↗
Anthropic · Fellowships, residencies and internships · No degree stated
- Research Engineer, Chip Design RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Code RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Computer Use ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Cybersecurity RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $300k to $405k base
- Research Engineer, Cybersecurity RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated
- Research Engineer, Machine Learning (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Machine Learning (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated
- Research Engineer, RL Engineering ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Visual Knowledge Work ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $850k base
- Staff+ Research Scientist, Multi-Agent ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Member of Technical Staff - RL Environments ↗
Cohere · Research scientists and engineers · No degree stated
- Research Engineer, Advancing Agent Quality, DeepMind ↗
Google DeepMind · Research scientists and engineers · No degree stated
- Research Engineer, Cyber Gemini, DeepMind ↗
Google DeepMind · Research scientists and engineers · Bachelor's or equivalent
- Member of Technical Staff - ML Scientist, Japanese Multimodal ↗
Liquid AI · Research scientists and engineers · No degree stated
- Research Scientist / Engineer – Reinforcement Learning ↗
Luma AI · Research scientists and engineers · No degree stated
- Member of Technical Staff, RL Research & Environments ↗
Magic · Research scientists and engineers · No degree stated · $275k to $550k base
- AI Research Manager - Meta Superintelligence Labs ↗
Meta (Superintelligence Labs and FAIR) · Research scientists and engineers · PhD required
- AI Research Scientist - MSL FAIR Foundations ↗
Meta (Superintelligence Labs and FAIR) · Research scientists and engineers · PhD required
- AI Research Scientist, FAIR Security, Privacy, and Reliability ↗
Meta (Superintelligence Labs and FAIR) · Research scientists and engineers · PhD or equivalent experience
- AI Scientist - Agentic Engineering ↗
Mistral AI · Research scientists and engineers · No degree stated
- Research Engineer - Cybersecurity (RL Environments) ↗
Mistral AI · Research scientists and engineers · No degree stated
- Research Engineer, Code Agents Infra ↗
Mistral AI · Research scientists and engineers · No degree stated
- Agent Post-Training, Frontier Evals and Environments Research ↗
OpenAI · Research scientists and engineers · No degree stated · $380k to $500k base
- Research Engineer / Research Scientist / AI Systems Engineer, RSI ↗
OpenAI · Research scientists and engineers · No degree stated · $295k to $445k base
- Research Engineer / Research Scientist, Health ↗
OpenAI · Research scientists and engineers · No degree stated · $380k to $500k base
- Research Engineer, AI for Chip Design ↗
OpenAI · Research scientists and engineers · No degree stated · $380k to $500k base
- Research Engineer, Frontier Evals & Environments ↗
OpenAI · Research scientists and engineers · No degree stated · $295k to $380k base
- Researcher, Alignment CoT Monitorability ↗
OpenAI · Research scientists and engineers · No degree stated · $295k to $500k base
- Researcher, Recursive Self-Improvement Safety ↗
OpenAI · Research scientists and engineers · No degree stated · $380k to $500k base
- Research Scientist, Data ↗
Periodic Labs · Research scientists and engineers · No degree stated · $250k to $350k base
- Forward Deployed Engineer, Lead - LLM Post-training ↗
Reflection AI · Applied AI and forward-deployed · No degree stated
- Research, Coding Agents ↗
Thinking Machines Lab · Research scientists and engineers · PhD or equivalent experience · $350k to $475k base
- Research, Mid Training ↗
Thinking Machines Lab · Research scientists and engineers · No degree stated · $350k to $475k base
- Research, Post-Training Evals ↗
Thinking Machines Lab · Research scientists and engineers · PhD or equivalent experience · $350k to $475k base
- Research, Safety ↗
Thinking Machines Lab · Research scientists and engineers · PhD or equivalent experience · $350k to $475k base
- Research Intern, Model Shaping (Summer 2027) ↗
Together AI · Fellowships, residencies and internships · Bachelor's degree
- Research Intern, Model Shaping (Winter 2027) ↗
Together AI · Fellowships, residencies and internships · Bachelor's degree
- Research Scientist (Generative Modeling) ↗
World Labs · Research scientists and engineers · No degree stated · $250k to $325k base
