Member of Technical Staff - AI Research (AI)

Location: Cambridge, MA, United States; hybrid with 3 days onsite, with remote work considered case by case

Salary: $250,000–$400,000; up to $230,000 base salary plus equity is also stated.

Company

Early-stage AI research company building models and autonomous agents for complex scientific and engineering problems.

What you will do

• Develop new approaches to reinforcement learning, AI agents, and model reasoning.
• Design and run large-scale training experiments across multiple GPUs.
• Build robust evaluation frameworks, benchmarks, and research tools.
• Collaborate with physicists and engineers on scientific reasoning and problem-solving.
• Contribute to publishable research and open-source projects.

Requirements

• Strong research background with publications at leading AI/ML conferences.
• Hands-on experience in reinforcement learning, LLM training, agent systems, or model evaluation.
• Experience building and running multi-GPU training experiments.
• Ability to independently design experiments, evaluate results, and deliver research outcomes.

Culture & Benefits

• Work on fundamental AI research with direct applications to scientific discovery.
• Collaborate with specialists in machine learning, physics, and engineering.
• Hybrid arrangement with three onsite days; remote work may be considered case by case.
• Opportunity to contribute to publishable research and open-source projects.

Hiring process

• Apply directly or contact the recruiter for a confidential discussion.