Mercor
Nuclear Medicine Physicist / Cyclotron RSO
- Pay
- $65–75/task
- Type
- Task-based
- Location
- Remote
- Posted
- Sep 14, 2026
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About this role
About the work Mercor is assembling a panel of radiological safety experts to red-team frontier AI models. The goal is to test whether a model can correctly judge the misuse potential of a technical request — answering legitimate questions fully while refusing genuinely dangerous ones. You will: Write challenging single-turn prompts in your domain, labelled across three levels: benign, dual-use, and adversarial. Evaluate the responses that come back against a defined policy standard, and judge whether each was handled correctly. Write the reference answer — what a correct response looks like, and the technical reasoning for why. This domain lives on the dual-use line more than most. The same isotope underpins cancer therapy and industrial radiography; the same shielding calculation protects a worker and conceals a source. A model that refuses a routine dose question is failing as badly…
