CareerPlan

Member of Technical Staff, AI Researcher (New Stealth Startup)

RCP HQ (McLean, VA)Full-time$250k–$400k2026-10-22 → 2026-11-11
Citizens only

Core

Design evaluation frameworks, benchmarks, and feedback systems for frontier AI models (LLMs, agents, RL) to measure behavior and improve alignment.

Role type

Senior IC AI Researcher (Research & Engineering)

Builds

Evaluation frameworks, reward models, programmatic verifiers, RL environments, and production-quality data systems.

Domain

Artificial Intelligence / Frontier Models / Reinforcement Learning

Deliverable

production ML models

Required skills

Python, AI agents, reinforcement learning, model evaluation, reward modeling, experimental design, data attribution, software engineering

Preferred skills

Advanced degree in ML/AI/CS, published research, open-source contributions

Technologies

Python, LLMs, RL environments, automated verifiers

Responsibilities

Design and build evaluation frameworks and benchmarks for frontier AI models; Develop reward models and feedback systems; Design and run supervised fine-tuning and RL experiments; Build systems for producing high-quality human data; Translate research questions into rigorous experiments; Prototype and convert findings into production systems.

Seniority

Senior, hands-on IC