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Mercor

Industrial Hygienist / Process Safety Engineer

Mercor

. Write challenging single-turn prompts in chemistry and chemical safety, labelled as benign, dual-use, or adversarial .

Posted 9/25/2026contractRemote • United StatesMid-LevelSenior💰 $65 - $75 per dayWebsite

About the role

Key responsibilities & impact
  • Write challenging single-turn prompts in chemistry and chemical safety, labelled as benign, dual-use, or adversarial
  • Evaluate model responses against a defined policy standard
  • Judge whether responses handled technical requests correctly
  • Write reference answers explaining correct responses and the underlying technical reasoning
  • Distinguish routine professional questions from requests with potential misuse intent
  • Provide written rationales that non-specialists can understand
  • Work on scenarios involving exposure assessment, process hazards, toxic release and dispersion modelling, ventilation, containment, PPE, and regulatory compliance

Requirements

What you’ll need
  • Real-world experience assessing exposures and process hazards and signing off on controls
  • Relevant background such as certified industrial hygiene, process hazard analysis, toxic release and dispersion modelling, ventilation/containment/PPE programme design, or regulatory compliance
  • Knowledge of exposure assessment, sampling strategy, control banding, HAZOP, LOPA, what-if studies, management of change, consequence analysis, AEGL/ERPG criteria, facility siting, PSM, Seveso, COMAH, OSHA, or national equivalents
  • Strong technical writing ability; every judgment requires a written rationale understandable to non-specialists
  • Prior technical writing, published research, or expert witness experience is strongly preferred
  • Ability to provide a writing sample or link
  • Must not use classified or export-controlled information, NDA-covered information, or information subject to prepublication review obligations
  • Ability to read and write about misuse scenarios in the field for sustained periods
  • Red-teaming experience is ideally preferred

Benefits

Comp & perks
  • Earn up to $250 for each successful referral through the referral link
  • Reasonable accommodations upon request
  • Ability to pause or step away from misuse-scenario work at any point without penalty