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Mercor

Nuclear Security Engineer

  • Contract: Contract
  • Who can apply: Open worldwide
  • Posted Sep 14, 2026

In short

You will join a freelance contract via Mercor to test frontier AI models on nuclear materials and safeguards. This remote mission is ideal if you have a nuclear security background and want flexible freelance work from anywhere in the world.

What you will do

  • Write challenging single-turn prompts labeled benign, dual-use, and adversarial
  • Evaluate model responses against a defined policy standard
  • Judge whether each response was handled correctly
  • Write reference answers and the technical reasoning behind them

What you need to apply

  • Experience in material control and accountability, physical protection, or vulnerability assessment
  • Strong writing skills with prior technical writing, published research, or expert witness experience
  • Ability to write clear written rationales that non-specialists can follow
  • No use of classified, export-controlled, NDA-covered, or prepublication information

Who can apply

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

My tip

We suggest that you clearly mention in your application if you hold any classified or export-controlled obligations so the work can be scoped accordingly.

Originally published on Mercor

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