Radiophysics Scientist for AI Safety Red Teaming

Mercor; New York (NY); Remote; USD 110,000 - 180,000; Full time

Job summary

Mercor is assembling a panel of radiological safety experts to red-team frontier AI models. The role focuses on writing prompts across benign, dual-use, and adversarial categories, and evaluating responses against a policy standard.

You will craft reference answers with clear, traceable rationale for why a response is correct or unsuitable. This writing-intensive work requires ability to explain complex radiophysics concepts to non-specialists, and to document misuse scenarios in medical isotope

Qualifications

• This is writing-intensive work with a written rationale for every judgment.
• Prior technical writing, published research, or expert witness experience is a strong signal.
• You will read and write about misuse scenarios in radiology/radiopharmacy fields.

Responsibilities

• 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.

Skills

Technical writing

Written rationale

Nuclear medicine knowledge

Red-teaming

Job description

Mercor is assembling a panel of radiological safety experts to red-team frontier AI models. The role focuses on writing prompts across benign, dual-use, and adversarial categories, and evaluating responses against a policy standard.

You will craft reference answers with clear, traceable rationale for why a response is correct or unsuitable. This writing-intensive work requires ability to explain complex radiophysics concepts to non-specialists, and to document misuse scenarios in medical isotope