Occupational Hygienist

Requisition
13449
-Posted
07/28/2026

- Safety And Environment )
- Occupational Hygiene & Environment )
- Job Opportunity

Requisition : 13449
Number of Vacancies: 1
Department: Safety And Environment ) - Occupational Hygiene & Environment )
Salary Information: $ - $
Pay Scale Group: 9SA
Employment Type: Regular
New or Existing Vacancy: Existing

Weekly

Hours:

35 Off Days: Saturday/Sunday Shift: Day
Posted On: July 28, 2026
Last Day to Apply: August 6, 2026
Reports to: Director, Occupational Hygiene and Environment

The Toronto Transit Commission (TTC), North America's third largest transit system and recognized as one of the top places to work in the GTA has introduced its new  TTC Corporate Plan - Moving Toronto, Connecting Communities which continues the TTC’s legacy of delivering service to hundreds of millions of customers a year. The TTC’s new vision and mission statements also help promote the many environmental, social equity and economic benefits that the TTC provides:

Vision: Moving Toronto towards a more equitable, sustainable, and prosperous future.

Mission: To serve the needs of transit riders by providing a safe, reliable, efficient, and accessible mass public transit service through a seamless integrated network to create access to opportunity for everyone.

Help protect the health and wellbeing of thousands of employees working across one of North America's largest and most complex public transit systems.

The Toronto Transit Commission (TTC) is seeking a passionate and experienced Occupational Hygienist to join its Safety and Environment Department. This is a unique opportunity to lead initiatives that identify, assess and control workplace health hazards across diverse operational environments, including subway systems, bus garages, maintenance facilities, construction projects and administrative workplaces.

Reporting to the Director – Occupational Hygiene and Environment, you will play a key role in protecting the health, safety and wellbeing of TTC employees and customers across one of North America’s largest and most complex public transit system. As an Occupational Hygiene subject matter expert you will help identify, assess and control workplace health hazards, support compliance with legislative requirements, and contribute to the continuous improvement of corporate occupational hygiene programs.
You will lead and support initiatives designed to anticipate, prevent and control workplace health hazards by developing, implementing and maintaining occupational hygiene standards, programs, procedures and training. You will monitor compliance with applicable legislation, regulations, standards and best practices, provide guidance on actual and potential compliance issues, and help ensure TTC programs remain effective, practical and aligned with emerging industry trends and occupational health risks.

You will investigate and evaluate existing or potential workplace health hazards across a wide range of operational environments, including transit facilities, maintenance operations, construction projects and administrative workplaces. This includes identifying, assessing and evaluating physical, chemical, biological and ergonomic hazards; assessing the effectiveness of existing controls; conducting risk assessments; and determining appropriate monitoring, sampling and testing strategies.
You will conduct and/or oversee occupational hygiene sampling and testing activities using specialized equipment and methodologies. You will accurately assess workplace exposures, interpret findings, and apply scientific and analytical expertise to develop practical recommendations that prevent, eliminate, control or reduce occupational health risks.
You will provide expert advice and direction to management, employees and other stakeholders regarding occupational hygiene issues, legislated requirements and corporate policies and procedures. As a trusted technical resource, you will influence decision-making, support continuous improvement initiatives, and collaborate with operational departments, Occupational Health & Employee Wellbeing, WSIB, consultants, regulatory agencies and other external partners…