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Mercor

Propulsion & Effects Engineer

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

In short

Mercor is hiring 1000 Propulsion & Effects Engineers for a freelance remote contract via Mercor. You will test frontier AI models on safety and misuse. This role suits experts who want flexible remote work in cutting-edge AI evaluation.

What you will do

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

What you need to apply

  • Background in designing, qualifying, or testing propulsion and initiation systems with real hardware and test data
  • Experience in munitions design, solid/liquid/hybrid propulsion, terminal effects, fuzing, or test range engineering
  • Strong technical writing skills with prior writing, published research, or expert witness experience

Who can apply

This position is open worldwide with no country restrictions stated. You must not use classified, export-controlled, or NDA-covered information in your work.

My tip

We recommend including a sample or link of your technical writing in your application to stand out.

Originally published on Mercor

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