Occupational Hygienist

Location: Toronto, ON | Full-Time | Intermediate to Senior Level

Apply now: Email your resume to resume@tharris.ca
(Full job details below)

Are you passionate about creating healthier workplaces and supporting client compliance with occupational health and safety legislation? At T. Harris Environmental Management Inc. (THEM), we’ve built a 45+ year reputation as a trusted leader in environmental consulting — and we’re growing.

We’re currently hiring an Occupational Hygienist to join our Toronto office, in a leadership-track role supporting client projects, team mentorship, and technical excellence in the field.

This is a great opportunity for an experienced professional ready to take the next step in their consulting career — with room to grow, lead, and make a real impact.

What You’ll Do

As a key member of our Occupational Hygiene Department, you’ll support and lead a wide range of occupational health and safety projects.

You’ll be responsible for:

  • Conducting exposure assessments for chemical, biological, and physical agents
  • Performing indoor air quality (IAQ), ergonomic and ventilation assessments
  • Developing and implementing sampling strategies and exposure modeling
  • Delivering technical reports, client recommendations, training, and compliance guidance
  • Serving as a client liaison and managing expectations throughout project lifecycles
  • Supporting junior staff through knowledge sharing and occasional training delivery

This position is based in our Toronto office, located near Dixon Road and Highway 27. You’ll travel locally for on-site assessments and client consultations.

Ready to apply? Email your resume to resume@tharris.ca or scroll down for full details.

Why Join Us?

At THEM, you’ll work alongside professionals who care deeply about protecting health and improving safety across industries.

Here’s what you can expect:

  • Challenging, purpose-driven work with a real impact
  • Supportive and flexible team culture with a focus on mentorship
  • Opportunities for advancement into project or department leadership
  • Comprehensive benefits including vision, dental, life, and extended health care
  • Wellness programs, education reimbursement, and bonus pay

We’re proud of our diverse and inclusive team, with over 10 languages spoken across our offices. We celebrate knowledge-sharing and empower staff at all levels to contribute ideas, lead change, and build careers they’re proud of.

What You Bring

Qualifications (Must-Haves):

  • 3–5 years of relevant experience in occupational hygiene, environmental health, or OHS consulting
  • Bachelor’s or Master’s degree in Science, Engineering, Occupational Hygiene, or related field
  • Eligible for or holding a CIH or ROH designation (required or near completion)
  • Strong technical skills with air sampling equipment, IAQ tools, and hygiene methodologies
  • Excellent verbal and written communication skills
  • Strong time management, problem-solving, and project coordination abilities
  • Valid Ontario driver’s license and access to a reliable vehicle

Assets (Nice-to-Haves):

  • Experience delivering training sessions or presentations
  • Familiarity with CAD drawings or data interpretation tools (e.g., Bayesian stats, lognormal plots)
  • Active participation in the hygiene or safety professional community
  • French/English bilingualism

Position Details

  • Type: Full-time, permanent (Part-time may be considered)
  • Location: Toronto, ON (with local travel)
  • Salary: Competitive, based on experience
  • Schedule: Monday to Friday, flexible working hours
  • Benefits: Vision care, dental care, wellness programs, education reimbursement, disability insurance, EAP, and more

How to Apply

Please email your resume and a brief introduction to resume@tharris.ca.

We value diversity and inclusion and encourage all qualified candidates to apply. If you require accommodations during the recruitment process, let us know — we’re happy to help.