First seen by our source: 19 days ago
Industrial Hygienist - Safety Expert
@ Mercor
Toronto, Ontario
Overview
Mercor is hiring a contract Industrial Hygienist / Process Safety Engineer on a remote basis at $65 to $75 per hour. The work is writing and evaluating chemistry and chemical safety prompts and responses to improve AI model judgment on misuse potential, working independently and asynchronously. Strong industrial hygiene and process safety expertise is required.
Pay:
$65–$75 an hour
Responsibilities:
- Write chemical safety prompts labelled benign, dual-use or adversarial
- Evaluate AI model responses against a policy standard
- Write reference answers with technical reasoning
- Assess dual-use scenarios and model refusal behaviour
- Collaborate with AI research teams on misuse judgment
Requirements summary:
- Certified industrial hygienist with exposure assessment experience
- Process hazard analysis experience including HAZOP, LOPA and MOC
- Toxic release and dispersion modeling with AEGL/ERPG knowledge
- Ventilation, containment and PPE design for chemical hazards
- Familiarity with PSM, Seveso, COMAH or OSHA
- Preferred: 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
- 2026-10-18
- Source record updated
- 2026-10-18
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 | Environment, health & safety |
| Travel | air: none · ground: none |
| Work setting | Home |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Licences & certifications | Certified Industrial Hygienist |
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: Industrial Hygienist / Process Safety Engineer
Type: Contract
Compensation: $65–$75/hour
Location: Remote
Role Responsibilities
- Write challenging single-turn prompts in chemistry and chemical safety. Label them as benign, dual-use, or adversarial.
- Evaluate AI model responses against a defined policy standard. Judge correctness of handling.
- Write reference answers with technical reasoning for correct responses.
- Assess dual-use scenarios. Ensure models refuse dangerous questions while answering legitimate ones.
- Collaborate with AI research teams to improve model judgment on misuse potential.
- Work independently and asynchronously. Maintain flexible hours.
Qualifications
Must-Have
- Certified industrial hygienist with experience in exposure assessment, sampling strategy, and control banding.
- Experience in process hazard analysis, including HAZOP, LOPA, and management of change.
- Expertise in toxic release and dispersion modeling, with knowledge of AEGL/ERPG criteria.
- Experience in ventilation, containment, and PPE program design for chemical hazards.
- Familiarity with regulatory compliance such as PSM, Seveso, COMAH, or OSHA.
Preferred
- Prior technical writing, published research, or expert witness experience. Include a sample or link.
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.
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