Health Physicist

Job not on LinkedIn

🔥 4 minutes ago

🇺🇸 United States – Remote

💵 $65 - $75 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

👻 Ghost score 5%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mercor

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🔥 Funding within the last year

💰 $350M Series C - Mercor on 2025-10

Mercor is a company for which no descriptive text was provided in the input. Additional information (products, services, target customers, or industry specifics) is needed to create an accurate summary and select appropriate industries.

📋 Description

• Write challenging single-turn prompts in the health physics domain across benign, dual-use, and adversarial levels • Evaluate model responses against a defined policy standard • Judge whether responses handled technical requests correctly • Write reference answers explaining correct responses and the technical reasoning behind them • Distinguish routine professional questions from requests indicating potential misuse • Apply practical experience in survey, assay, contamination control, and work planning to red-team frontier AI models • Provide written rationales that non-specialists can follow • Read and write about misuse scenarios in health physics for sustained periods

🎯 Requirements

• Background as an operational health physicist at a DOE site, national laboratory, or reactor facility, including survey, assay, and contamination control • Experience as an internal dosimetry or bioassay specialist, including intake assessment, dose reconstruction, and committed dose • Experience as a decommissioning and D&D health physicist, including characterisation surveys, MARSSIM, and release criteria • Experience in accelerator or reactor health physics, including activation products, neutron fields, and shielding design and verification • Experience with dose planning for high-hazard work, including RWP development, ALARA reviews, hot-cell, and glovebox operations • Ability to write challenging single-turn prompts labelled benign, dual-use, and adversarial • Ability to evaluate model responses against a defined policy standard • Ability to write reference answers with technical reasoning understandable to non-specialists • Prior technical writing, published research, or expert witness experience is a strong signal • Must not use classified, export-controlled, NDA-covered, or prepublication-review information • Must disclose such obligations so the work can be scoped accordingly

🏖️ Benefits

• Earn up to $250 for each successful referral • No limit on how many people you can refer • Reasonable accommodations upon request