Remote Forensic/Toxicology Chemist - AI Safety Review

Mercor; United Kingdom; Remote; GBP 68,000 - 78,000; Full time

Job summary

Mercor is seeking a Forensic / Toxicological Chemist for a remote, hourly-contract role. The position focuses on drafting and evaluating prompts in chemistry and chemical safety, with emphasis on accurate technical reasoning and policy-aligned model evaluation.

The ideal candidate has strong experience in forensic toxicology or related casework, ability to work asynchronously, and a track record of precise technical writing and expert analysis.

Qualifications

• Experience in controlled substance casework in a forensic laboratory.
• Background in clandestine laboratory response and precursor identification.
• Expertise in forensic toxicology, postmortem, or human performance casework.
• Experience in seized-drug and precursor trend monitoring or intelligence analysis.
• Strong technical writing, published research, or expert witness experience.

Responsibilities

• Write challenging single-turn prompts in chemistry and chemical safety, labeled as benign, dual-use, or adversarial.
• Evaluate model responses against a defined policy standard and judge correctness.
• Write reference answers with technical reasoning for correct responses.
• Collaborate with experts to ensure models draw reliable lines between routine and dangerous queries.
• Work independently and asynchronously to meet deadlines and improve AI model performance.

Skills

Forensic toxicology

Forensic casework

Precursor identification

Expert testimony

Technical writing

Tools

None

Job description

Mercor is seeking a Forensic / Toxicological Chemist for a remote, hourly-contract role. The position focuses on drafting and evaluating prompts in chemistry and chemical safety, with emphasis on accurate technical reasoning and policy-aligned model evaluation.

The ideal candidate has strong experience in forensic toxicology or related casework, ability to work asynchronously, and a track record of precise technical writing and expert analysis.