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Security/Cybersecurity Engineer for Reinforcement Learning Environments

preference model • United States
Visa Sponsorship Relocation
This Job is No Longer Active This position is no longer accepting applications

We're hiring experienced Security/Cybersecurity Engineers to design and build reinforcement learning environments that teach LLMs to reason about and solve real-world cybersecurity problems.

Key Highlights
Design and build RL environments and reward functions
Teach LLMs to reason about and solve real-world cybersecurity problems
Collaborate with others to brainstorm and create new ideas and tools
Key Responsibilities
Design and build RL environments and reward functions
Build environments covering the full vulnerability lifecycle
Construct verifiable reward signals
Technical Skills Required
Python Systems programming C C++ Rust Fuzzers Sanitizers Debuggers Disassemblers
Benefits & Perks
Competitive cash and equity compensation
Ownership and autonomy in a fast moving startup environment
Opportunity to work with top machine learning engineers
Nice to Have
Experience building or contributing to fuzzing infrastructure
Experience with ML for code or security

Job Description

Preference Model is building automated ML research engineering.Existing frontier models are brittle when applied to real-world ML tasks. The present bottleneck is the lack of high-quality RL training environments. Our first step is to build RL environments that reflect real-world complexity, with diverse tasks and robust reward functions.Our founding team has previous experience on Anthropic’s data team building data infrastructure, and datasets behind Claude. We are partnering with leading AI labs to push AI closer to achieving its transformative potential.
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