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Mercor

Industrial Hygienist / Process Safety Engineer

Mercor

. Write challenging single-turn prompts in the chemistry and chemical safety domain .

Posted 9/17/2026contractRemote • United StatesMid-LevelSenior💰 $65 - $75 per hourWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in chemical safety and industrial hygiene, with a strong focus on exposure assessment, process safety, and regulatory compliance. Capable of producing clear technical documentation and rationales for diverse audiences while evaluating model responses against established safety standards.

Highest-signal resume keywords
Exposure AssessmentProcess Safety Management (PSM)Technical WritingHAZOP AnalysisRegulatory Compliance

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Toxic Release ModellingDispersion ModellingControl BandingConsequence AnalysisSampling StrategyLOPAWhat-If StudiesAEGL CriteriaERPG CriteriaVentilation/Containment/PPE Programme Design
Soft Skills
Analytical ThinkingCommunicationJudgment
Industry Keywords
SevesoCOMAHOSHARegulatory ComplianceIndustrial HygieneChemical SafetyProcess HazardsMisuse ScenariosTechnical ReasoningPolicy Standards

About the role

Key responsibilities & impact
  • Write challenging single-turn prompts in the chemistry and chemical safety domain
  • Label prompts as benign, dual-use, or adversarial
  • Evaluate model responses against a defined policy standard
  • Judge whether model responses were handled correctly
  • Write reference answers describing correct responses and the technical reasoning behind them
  • Create prompts testing the boundary between legitimate technical questions and dangerous misuse
  • Provide written rationales understandable to non-specialists
  • Read and write about misuse scenarios in the field for sustained periods

Requirements

What you’ll need
  • Relevant professional background in industrial hygiene, process safety, toxic release and dispersion modelling, ventilation/containment/PPE programme design, or regulatory compliance
  • Experience assessing real exposures and real process hazards and signing off on controls
  • Ability to distinguish routine professional questions from potentially malicious requests
  • Experience with exposure assessment, sampling strategy, and control banding
  • Experience with HAZOP, LOPA, what-if studies, and management of change
  • Experience with consequence analysis and AEGL/ERPG criteria
  • Knowledge of PSM, Seveso, COMAH, OSHA, or national equivalents
  • Strong technical writing ability
  • Prior technical writing, published research, or expert witness experience is a strong signal
  • Must not draw on classified or export-controlled information, NDA-covered information, or information subject to prepublication review obligations; applicants with such obligations must disclose them so work can be scoped accordingly

Benefits

Comp & perks
  • Earn up to $250 for each successful referral
  • No limit on how many people you can refer
  • Ability to pause or step away from misuse-scenario work at any point without penalty
  • Reasonable accommodations upon request