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Mercor

Health Physicist

Mercor

. Write challenging single-turn prompts in radiological safety and health physics .

Posted 9/20/2026contractRemote • United StatesMid-LevelSenior💰 $65 - $75 per hourWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in radiological safety and health physics, with a strong focus on operational health physics, internal dosimetry, and technical writing. Capable of evaluating AI models for misuse potential and producing clear rationales for non-specialists.

Highest-signal resume keywords
Operational Health PhysicsInternal DosimetryTechnical WritingRed-Teaming ExperienceDecommissioning Health Physics

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
SurveyAssayContamination ControlDose ReconstructionCharacterisation SurveysMARSSIMRWP DevelopmentALARA ReviewsShielding DesignHot-Cell Operations
Soft Skills
Strong Writing SkillsAbility to Explain Technical Reasoning
Industry Keywords
Radiological SafetyHealth PhysicsBioassay SpecialistActivation ProductsNeutron FieldsMisuse ScenariosNDA-Covered InformationPrepublication Review Obligations

About the role

Key responsibilities & impact
  • Write challenging single-turn prompts in radiological safety and health physics
  • Label prompts as benign, dual-use, or adversarial
  • Evaluate model responses against a defined policy standard
  • Judge whether responses handled technical requests correctly
  • Write reference answers and explain the technical reasoning
  • Red-team frontier AI models for misuse potential in radiological safety scenarios
  • Produce written rationales that non-specialists can follow
  • Read and write about field-specific misuse scenarios for sustained periods

Requirements

What you’ll need
  • 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 in decommissioning and D&D health physics, 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, and hot-cell and glovebox operations
  • Ability to distinguish routine professional questions from requests probing for misuse
  • Strong writing skills and ability to provide written rationales understandable to non-specialists
  • Prior technical writing, published research, or expert witness experience is a strong signal
  • Red-teaming experience ideally
  • Must not use classified or export-controlled information, NDA-covered information, or information subject to prepublication review obligations
  • Full legal name, email address, and LinkedIn URL required to apply

Benefits

Comp & perks
  • Up to $250 for each successful referral
  • No limit on the number of referrals
  • Reasonable accommodations upon request
  • Ability to pause or step away from misuse-scenario content at any point without penalty