AfterQuery is looking for radiology and radiation sciences experts to help make AI models safer in their domain. You'll author and review evaluation tasks that test whether a model can tell a safe request from an unsafe one, and write the expert analysis behind each call: what…
Radioactive Materials & Health Physics Expert (AI Safety)
United States, United Kingdom, Canada +2
$150/hr
November 4, 2026
Job description
AfterQuery is looking for radioactive materials and health physics experts to help make AI models safer in their domain. You'll author and review evaluation tasks that test whether a model can tell a safe request from an unsafe one, and write the expert analysis behind each call: what makes a prompt acceptable, where it crosses a line, and why.
Requirements
- Master's degree or higher in health physics, radiochemistry, nuclear engineering, or a closely related discipline
- Citizenship of a Five Eyes country (United States, United Kingdom, Canada, Australia, or New Zealand)
- Physically located in one of those countries while doing the work
- Able to explain the technical reasoning behind a safety judgment clearly and precisely
Pay: $150/hr equivalent, paid at $85 per approved task. Remote, flexible, task-based.
Required qualifications
- Citizen of a Five Eyes country: United States, United Kingdom, Canada, Australia, or New Zealand
- Physically located in one of those five countries while doing the work
- Able to explain the technical reasoning behind a safety judgment clearly and precisely
- Master's degree or higher in health physics, radiochemistry, nuclear engineering, or a closely related discipline
Why apply
- $150/hr equivalent, paid at $85 per approved task
- Remote and flexible: task-based work on your own schedule
- Use your expertise to directly shape how AI models handle safety-critical questions in your field
Apply now
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