Source Security Specialist

In short

Mercor needs 1000 freelance Source Security Specialists to test frontier AI models for radiological safety. If you are an expert who understands the fine line between benign questions and dangerous requests involving radioactive materials, this remote mission fits you perfectly.

What you will do

• Write challenging single-turn prompts labeled as benign, dual-use, and adversarial
• Evaluate AI model responses against a defined policy standard to judge correctness
• Write reference answers and explain the technical reasoning behind them
• Assess whether models correctly handle sensitive radiological scenarios

What you need to apply

• Experience in security or vulnerability assessment of facilities holding Category 1 and 2 sources
• Background in physical protection design, source recovery, regulatory security inspection, or transport security
• Strong technical writing skills with the ability to provide clear written rationales
• Ability to avoid using classified, export-controlled, or NDA-covered information

Who can apply

This freelance role is open worldwide with no country restrictions stated. There are 1000 openings available.