Forensic/Toxicological Chemist

Mercor

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

Posted 10/9/2026contractRemote • 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 forensic chemistry and chemical safety, with strong technical writing skills and the ability to evaluate and communicate complex information clearly. Proficient in identifying substances, conducting casework, and providing expert testimony in a forensic context.

Highest-signal resume keywords

Forensic Chemistry ExpertiseTechnical Writing AbilityExpert Testimony ExperienceSubstance IdentificationControlled Substance Casework

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

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

Hard Skills

Substance IdentificationQuantitationForensic ToxicologyCasework AnalysisTechnical WritingReport WritingTrend MonitoringIntelligence AnalysisPrompt WritingPolicy Evaluation

Soft Skills

Judgment SkillsCommunication SkillsAnalytical ThinkingRationale Development

Industry Keywords

Controlled SubstanceClandestine Laboratory ResponseSeized-Drug MonitoringPostmortem CaseworkHuman Performance CaseworkChemical SafetyAdversarial Prompt EvaluationDual-Use Prompt Labeling

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 describing correct responses and the technical reasoning behind them
Create prompts that distinguish legitimate professional questions from requests seeking harmful information
Provide written rationales for judgments that non-specialists can understand
Read and write about misuse scenarios for sustained periods

Requirements

What you’ll need

Experience conducting casework identifying substances and precursors
Experience defending conclusions in a report or on the stand
Background in controlled substance casework in a forensic laboratory, including identification and quantitation
Background in clandestine laboratory response, precursor identification, and scene chemistry
Background in forensic toxicology, including postmortem or human performance casework
Background in seized-drug and precursor trend monitoring or intelligence analysis
Experience with expert testimony and report writing on chemical casework
Strong ability to distinguish routine professional questions from potentially harmful requests
Strong technical writing ability; every judgment must include a written rationale understandable to non-specialists
Prior technical writing, published research, or expert witness experience is a strong signal
Must not use classified or export-controlled information, NDA-covered information, or information subject to prepublication review obligations
Must disclose any applicable confidentiality obligations so the work can be scoped appropriately

Benefits

Comp & perks

Up to $250 for each successful referral (referral limits apply)
Reasonable accommodations upon request
Ability to pause or step away from misuse-scenario content at any point without penalty