Nuclear Fuel Cycle Red-Team Engineer

Mercor; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Mercor is assembling a panel of nuclear materials and safeguards experts to red-team frontier AI models. You will write challenging prompts across benign, dual-use, and adversarial levels, and evaluate model responses against a policy standard.

This role requires deep domain knowledge of fuel-cycle engineering, safeguards, and criticality safety, with emphasis on clear written rationales and non-specialist explanations for every decision.

Qualifications

• You will write challenging single-turn prompts across benign, dual-use, and adversarial levels.
• 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.

Responsibilities

• This is writing-intensive work. Every judgment you make needs a written rationale that a non-specialist can follow.
• You will be reading and writing about misuse scenarios in your field for sustained periods.
• Prior technical writing, published research, or expert witness experience is a strong signal; please include a sample or link.

Job description

Mercor is assembling a panel of nuclear materials and safeguards experts to red-team frontier AI models. You will write challenging prompts across benign, dual-use, and adversarial levels, and evaluate model responses against a policy standard.

This role requires deep domain knowledge of fuel-cycle engineering, safeguards, and criticality safety, with emphasis on clear written rationales and non-specialist explanations for every decision.