Head of Research

The role

The Head of Research will own the research agenda to build a replayable environment engine over enterprise history. You will identify technical questions, design experiments, and build production systems.

What you will do

• Own the research agenda to build a replayable environment engine
• Identify highest-leverage technical questions
• Design experiments to answer technical questions
• Build systems that turn research answers into production
• Build an environment factory from recorded enterprise data and task definitions
• Design graders that turn business objectives into verifiable rewards
• Develop methods for mining tasks, trajectories, and evaluation cases
• Create representative and reproducible eval sets
• Find combinations of models, tools, context, and policies to maximize performance
• Advance post-training methods for agents

Required qualifications

• PhD in machine learning, computer science, mathematics, or an equivalent track record of significant research experience
• Deep experience in reinforcement learning, LLM post-training, evals, agent environments, or closely related areas
• Experience taking ambitious, open-ended research problems from hypothesis through experimentation into working systems
• Ability to turn fuzzy business objectives into tasks and signals that can be evaluated reliably
• Ability to move between research questions and production implementation

Nice to have

• Worked at a leading foundation model lab
• Worked at a top AI research organization
• Worked at a high-performing AI startup

Benefits

• Significant equity and ownership
• Equinox membership
• Free meals, coffee, and snacks
• Health insurance
• Unlimited PTO

About the company

Ambral Labs helps enterprises own the intelligence behind their most important workflows. They are YC S2025 and have raised millions in funding.