Toronto On Air quality Jobs – 444 Openings This Week

Supervisory Chemist
CASSEN Testing Laboratories —Etobicoke, ON
- $80,000–$95,000 a year
- Overtime
- Laboratory experience
- Supervising experience
- Bachelor's
- Dental care
- Vision care
Quick apply
12d
Caretaker
Neighbours Community Homes —Toronto, ON
- $21.39 an hour
- Weekends as needed
- English
- Plumbing
- Cleaning
- Dental care
- Paid time off
Air Operations Support Technician
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Part-time
- No experience needed
- Dental care
- Paid time off
Quality Control Technician - Level 1
Innocon Inc. —Greater Toronto Area, ON
- Up to $31.25 an hour
- Overtime
- Engineering
- Windows
- Computer skills
Quick apply
General Labour
Cascades —Concord, ON
- $27.87 an hour
- 12 hour shift
- English
- High school diploma or GED
- Organizational skills
- Profit sharing
- Employee assistance program
Quick apply
Junior QA Analyst
TravelBrands —Toronto, ON
- $60,000–$65,000 a year
- Hybrid work
- Computer Science
- Engineering
- Bachelor's
- Dental care
- Employee assistance program
Quick apply
Warehouse Associate
CJ Logistics —Toronto, ON
- $20–$22 an hour
- Overtime
- Microsoft Excel
- High school diploma or GED
- Warehouse experience
Quick apply
Quality Assurance Technician
Freedom Solutions —North York, ON
- $22–$24 an hour
- Full-time
- Analysis skills
- Quality Control
- Manufacturing
Quick apply
Weekend Warehouse Associate
CMBH FilterBuy Canada —Etobicoke, ON
- $23 an hour
- Weekends only
- English
- Bachelor's
- Warehouse experience
- Disability insurance
- Dental care
Quick apply
Laboratory Technician
CASSEN Testing Laboratories —Toronto, ON
- $42,000–$60,000 a year
- Overtime
- Laboratory experience
- English
- Analysis skills
- Dental care
- Vision care
Quick apply
Customer Service Representative - Toronto (YTZ) Part time
Porter Airlines Inc. —Toronto, ON
- Part-time
- Customer service
- Dental care
2d
Maintenance
Marriott International, Inc —Toronto, ON
- $33.29 an hour
- Weekends as needed
- Carpentry
- Maintenance
- No experience needed
Building Operator
CBRE —Vaughan, ON
- Up to $65,000 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Dental care
- Vision care
Crew Planner
Flair Airlines Ltd. —Toronto, ON
- Full-time
- Microsoft Office
- IT
- In-person
- Disability insurance
- Dental care
Quick apply
3d
Critical Environment Technician
Microsoft —Toronto, ON
- $59,700–$119,600 a year
- 12 hour shift
- Azure
- Microsoft Office
- High school diploma or GED
Rooms Preventative Maintenance
Marriott International, Inc —Toronto, ON
- $29–$32 an hour
- Full-time
- Carpentry
- Maintenance
- No experience needed
HVAC Service Technician 313A/G1
Marcotto Mechanical Contractors Inc. —Greater Toronto Area, ON
- $50–$60 an hour
- Full-time
- High school diploma or GED
- HVAC
- Communication skills
- Dental care
- Vision care
Quick apply
HVAC - Condo Heat Pump/Fan Coil Field Service Technician
Hudson Condominium Solutions Inc. —Toronto, ON
- $30–$55 an hour
- Full-time
- Mechanic experience
- Maintenance
- Plumbing
- Mileage reimbursement
- Paid time off
Quick apply
Refrigeration and Air Conditioning Mechanic Commercial (Full time) Red Seal 313A-Class G2 min req
Integrity Refrigeration —Toronto, ON
- $55–$65 an hour
- Full-time
- Schematics
- Maintenance
- Assembly
- Dental care
- Paid time off
Quick apply
CIPP CCTV & Cutter Operator - Michels Canada
Michels Corporation —Toronto, ON
- $40–$45 an hour
- Full-time
- Basic math
- English
- First Aid Certification
Quick apply

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Supervisory Chemist

CASSEN Testing Laboratories
Etobicoke, ON

Quick apply

Job details

Full-time
$80,000–$95,000 a year
12 days ago

Qualifications

Laboratory experience
Supervising experience
Bachelor's
QA/QC
Chemistry
Leadership
Communication skills

Full job description

About Us

CASSEN Testing Laboratories is a federally incorporated Canadian company and one of the nation's premier chemical testing laboratories. We serve a broad range of sectors — industrial, natural resources, manufacturing, transportation, energy, healthcare, government, and consulting — offering both routine and highly specialized analysis.

CASSEN is an AIHA-accredited laboratory in compliance with ISO/IEC 17025 and holds the largest scope of accredited methods of any AIHA-accredited laboratory internationally, spanning ISO, ASTM, NIOSH, OSHA, MDHS, US EPA, CARB, UNODC, and validated in-house methods. We are recognized for exceptional data quality and for in-depth forensic work on complex problems including odour and health complaints, unknown contaminants, chemical exposure, machine malfunction, and fire and explosion.

For decades, CASSEN has carried out method-development and special studies for numerous government departments and agencies as well as major Canadian universities — with results published in peer-reviewed scientific journals.

The Opportunity

We are looking for a highly experienced Supervisory Chemist with strong supervisory experience and excellent knowledge of chemical analysis to lead day-to-day laboratory operations and mentor our analytical team. You will oversee analytical work, safeguard the quality and integrity of results, support our accreditation, and play a key role in method development and continuous improvement.

This is a hands-on leadership role for someone who enjoys both the chemistry and the people side of running a high-performing laboratory.

Key Responsibilities

· Supervise, schedule, and mentor a team of chemists and laboratory technicians, fostering a culture of quality, safety, and accountability.

· Manage laboratory workflow and turnaround times to meet client commitments and project deadlines.

· Provide assistance to Customer Services for queries for testing approaches and recommendations.

· Oversee laboratory operations and chemical analyses across different services.

· Operate, calibrate, and troubleshoot analytical instrumentation applicable to our methods.

· Develop, validate, and document new analytical methods; review and approve data and final reports for technical accuracy.

· Maintain and strengthen the laboratory's quality management system and support accreditation requirements (e.g., ISO/IEC 17025, AIHA LAP).

· Ensure compliance with health, safety, and environmental regulations, including proper handling and disposal of chemicals.

· Interact with clients to clarify testing needs, interpret results, and support investigations of odour complaints and other chemical related issues.

· Contribute to contract research projects and to the lab's ongoing technical development.

· Responsible for ensuring the preparation of new Standard Operating Procedures (SOPs), updating control charts, SOPs and the quality system.

· Responsible for the start-up and shut down of the laboratory on a daily basis.

· Report and work closely with the management of the laboratory.

· Other duties as required.

Qualifications

· A minimum of a Bachelor's degree in Chemistry or Analytical Chemistry.

· Minimum 5–7 years of solid analytical laboratory experience, including at least 2–3 years in a supervisory or lead role.

· Demonstrated expertise in chemical analysis, with strong knowledge of modern analytical instrumentation and laboratory techniques.

· Must have at least 2 years of GC-MS hands-on experience

· Excellent problem-solving abilities and sound scientific judgment, with proven skill in interpreting complex analytical data.

· Strong organizational, communication, integrity and leadership skills, with the ability to manage competing priorities.

· Experience in an AIHA LAP / ISO/IEC 17025 accredited testing environment strongly preferred, with a solid understanding of QA/QC principles and proficiency-testing requirements.

· Familiarity with recognized analytical methods (ISO, ASTM, NIOSH, OSHA, MDHS, EPA, and similar) an asset.

· Eligible to work in Canada.

Why Join CASSEN

· Work with one of Canada's premier testing laboratories, with the ability to solve any chemical related problems.

· Contribute to varied, high-impact projects — from indoor air quality and industrial exposure to forensic investigations of fire, explosion, and unknown contaminants.

· Contribute to leading-edge method-development and research studies for major government, academic, and industry partners, with opportunities to publish.

· Join a team recognized for top-ranked data quality in international proficiency testing.

· Work with knowledgeable scientists, advanced instrumentation and specialized methods in a clean, upscale, and highly secure facility.

What We Offer

At CASSEN, we offer a safe and supportive work environment with highly competitive compensation. If you enjoy working in a fast-paced environment full of opportunities for professional growth, and working on challenging and varied projects, we would like to hear from you. Please submit a cover letter and resume.

CASSEN Testing Laboratories is an equal-opportunity employer. We thank all applicants for their interest; only those selected for an interview will be contacted.

Schedule: Monday to Friday, 8:25 a.m. to 5:00 p.m, onsite, with overtime as required.

Job Types: Full-time, Contract for first year.

Experience: 5-7 year of laboratory experience and 2-3 years in a supervisory role.

Pay: $80,000.00-$95,000.00 per year

Benefits:

Company events
Dental care
Extended health care
On-site parking
Vision care

Education:

Bachelor's Degree (required)

Work Location: In person

Quick apply

Refine Your Search

air quality jobs in toronto on

Supervisory Chemist

Caretaker

Air Operations Support Technician

Quality Control Technician - Level 1

General Labour

Junior QA Analyst

Warehouse Associate

Quality Assurance Technician

Weekend Warehouse Associate

Laboratory Technician

Customer Service Representative - Toronto (YTZ) Part time

Maintenance

Building Operator

Crew Planner

Critical Environment Technician

Rooms Preventative Maintenance

HVAC Service Technician 313A/G1

HVAC - Condo Heat Pump/Fan Coil Field Service Technician

Refrigeration and Air Conditioning Mechanic Commercial (Full time) Red Seal 313A-Class G2 min req

CIPP CCTV & Cutter Operator - Michels Canada

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