First seen by our source: 21 days ago
Forensic Chemist - Casework Specialist
@ Mercor
Toronto, Ontario
Overview
Mercor is hiring a remote forensic and toxicological chemist on contract at $65–$75 per hour to write and evaluate chemistry and chemical-safety prompts for AI models. The work involves judging model responses against a policy standard and writing technical reference answers. The posting requires forensic casework, clandestine laboratory and precursor experience, and strong technical writing.
Pay:
$65–$75 an hour
Responsibilities:
- Write challenging chemistry prompts labeled benign, dual-use or adversarial
- Evaluate model responses against a defined policy standard
- Write reference answers with technical reasoning
- Collaborate with experts on routine versus dangerous query boundaries
- Work independently and asynchronously to meet deadlines
Requirements summary:
- Controlled substance casework experience in a forensic laboratory
- Clandestine laboratory response and precursor identification background
- Forensic toxicology, postmortem or human performance casework expertise
- Seized-drug and precursor trend monitoring or intelligence analysis experience
- Strong technical writing, published research or expert witness experience
Tools & skills
Source and dates
Source type not verified · manatal
- Employer posting date
- Not provided
- First seen by our source
- 2026-10-17
- Source record updated
- 2026-10-17
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Research & science |
| Travel | air: none · ground: none |
| Work setting | Home |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Mercor
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
We connect human expertise with leading AI labs and enterprises to train frontier models.
Full company description
Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.
- LinkedIn followers
- 654,507
- People associated on LinkedIn
- 5,250
- Reported office locations
- San Francisco, California 94105, US
- Business categories
- Employment
- Software
- Recruiting
- Data Collection and Labeling
- Artificial Intelligence (AI)
- Machine Learning
- Other recorded names
- Mercor
- Profile identifies a recruitment agency
- Yes
- Reported total investment
- 483,600,000
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.
| Field | Value |
|---|---|
| Industry | Software Development |
| Company size | 51-200 employees |
| Headquarters | San Francisco, California |
| Organization type | Privately Held |
| Year founded | 2023 |
| Open jobs on Jobsy | 1,626 |
| View page |
About the job
Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.
Position: Forensic / Toxicological Chemist
Type: Contract
Compensation: $65–$75/hour
Location: Remote
Role 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.
Qualifications
Must-Have
- 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.
Compensation & Legal
- Hourly contractor
- Paid weekly via Stripe Connect
Application Process (Takes 20–30 mins to complete)
- Upload resume
- AI interview based on your resume
- Submit form
Resources & Support
- For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
- For any help or support, reach out to: [email protected]
PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.
Journal
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