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Mercor

Industrial Hygienist / Process Safety Engineer

Mercor

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

Posted 9/21/2026contractRemote • United StatesMid-LevelSenior💰 $65 - $75 per hourWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in industrial hygiene, process hazard analysis, and toxic release modeling, with strong technical writing skills to communicate complex concepts to non-specialists. Proficient in evaluating chemical safety and regulatory compliance while providing clear rationales for assessments.

Highest-signal resume keywords
Industrial Hygiene ExpertiseProcess Hazard Analysis ExperienceToxic Release ModellingCertified Industrial HygienistTechnical Writing Skills

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
Exposure AssessmentSampling StrategyControl BandingHAZOPLOPAWhat-If StudiesManagement Of ChangeConsequence AnalysisAEGL CriteriaERPG Criteria
Soft Skills
Strong Writing AbilityJudgment Skills
Certifications & Qualifications
Certified Industrial Hygienist
Industry Keywords
Process Safety ManagementSevesoCOMAHOSHARegulatory Compliance

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 responses handled technical requests correctly
  • Write reference answers and explain the technical reasoning behind them
  • Distinguish legitimate professional questions from potentially dangerous misuse requests
  • 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 background in industrial hygiene, process hazard analysis, toxic release and dispersion modelling, ventilation/containment/PPE programme design for chemical hazards, or regulatory compliance
  • Experience assessing real exposures and real process hazards and signing off on controls
  • Certified industrial hygienist experience, including exposure assessment, sampling strategy, and control banding
  • Process hazard analysis experience, including HAZOP, LOPA, what-if studies, and management of change
  • Toxic release and dispersion modelling experience, including consequence analysis and AEGL/ERPG criteria
  • Knowledge of PSM, Seveso, COMAH, OSHA, or national equivalents
  • Strong writing ability; every judgment must include a rationale understandable to a non-specialist
  • Prior technical writing, published research, or expert witness experience is a strong signal
  • Please include a technical writing sample or link
  • Must not use classified or export-controlled information, NDA-protected information, or information subject to prepublication review obligations
  • Must disclose such obligations 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
  • Reasonable accommodations upon request
  • Ability to pause or step away from misuse-scenario work at any point without penalty