Ontario Class 1 water operator Jobs – 74 Openings This Week

Wastewater Treatment Operator
Halton Region —Oakville, ON
- $36.25–$44.26 an hour
- Contract
- Microsoft Word
- Microsoft Outlook
- Computer literacy
5d
Auger Boring Machine Operator
Marathon Underground Constructors Corporation —Toronto, ON
- $40–$65 an hour
- Overtime
- Maintenance
- Travel
- Welding
- Dental care
- Vision care
Quick apply
Auger Boring Machine Operator
Marathon Underground Constructors Corporation —Toronto, ON
- $40–$65 an hour
- Overtime
- Maintenance
- Travel
- Welding
- Dental care
- Vision care
Quick apply
Auger Boring Machine Operator
Marathon Underground Constructors Corporation —Greely, ON
- $40–$65 an hour
- Overtime
- Maintenance
- Travel
- Welding
- Dental care
- Vision care
Quick apply
Auger Boring Machine Operator
Marathon Underground Constructors Corporation —Ottawa, ON
- $40–$65 an hour
- Overtime
- Maintenance
- Travel
- Welding
- Dental care
- Vision care
Quick apply
Drill Locator
HDP Network Solutions —Greater Toronto Area, ON
- $28–$35 an hour
- Full-time
- Heavy lifting
- Maintenance
- First Aid Certification
- Dental care
- Vision care
Quick apply
Directional Driller
HDP Network Solutions —Greater Toronto Area, ON
- $36–$46 an hour
- Full-time
- CPR Certification
- Heavy lifting
- Supervising experience
- Dental care
- Vision care
Quick apply
Material Handler/Order Picker
Custom Building Products —Cambridge, ON
- $23–$24 an hour
- Full-time
- Heavy lifting
- Basic math
- Forklift
- Disability insurance
- Dental care
Quick apply
Water and Wastewater Senior Operator - Remote Support
Clearford —Ontario
- $30–$35 an hour
- Full-time
- Hybrid work
- Engineering
- High school diploma or GED
- Programmable logic controllers
- Dental care
- Paid time off
Quick apply
5d
Senior Project Engineer, Water and Wastewater
County of Simcoe —Midhurst, ON
- $121,139–$147,365 a year
- Temporary
- Civil engineering
- Word processing
- Computer literacy
9d
Building Operator
Dexterra —Toronto, ON
- Overtime
- CPR Certification
- Computer literacy
- First Aid Certification
Quick apply
Class B Refrigeration Operator
Gordon Food Service —Ajax, ON
- $40.98–$47.98 an hour
- 8 hour shift
- Electrical experience
- HVAC
- Profit sharing
2d
Waterworks Operator I or II (2 vacancies)
City of Markham —Markham, ON
- $35.98–$41.43 an hour
- Full-time
- High school diploma or GED
Quick apply
3h
Wastewater Treatment Operator
Arcadis —Toronto, ON
- $64,800–$97,200 a year
- Overtime
- Hybrid work
- Management
- Customer service
- Maintenance
4d
STP Operator (Unionized)
Aecon Group —Bowmanville, ON
- $52.80–$54.39 an hour
- Quality Control
- Tuition reimbursement
Water and Wastewater Shift Lead
Ontario Clean Water Agency —Mississauga, ON
- $39.91–$42.86 an hour
- Rotating shift
- Computer literacy
- Basic math
- English
- Disability insurance
2d
Water & Wastewater Operator
Ontario Clean Water Agency —Cambridge, ON
- $24.88–$38.04 an hour
- Overtime
- Basic math
- English
- Math
- Disability insurance
21h
Building Operator
CBRE —Scarborough, ON
- Up to $70,000 a year
- Weekends as needed
- Microsoft Word
- Microsoft Outlook
- HVAC
- Dental care
- Vision care
Water Distribution Operator
The City of Guelph —Guelph, ON
- $34.49–$39.45 an hour
- Full-time
- Microsoft Outlook
- Customer service
- Engineering
- Dental care
- Tuition reimbursement
Asst Building Operator-GCT Secondment
Great Canadian —Toronto, ON
- $28.79–$35.99 an hour
- Weekends as needed
- Microsoft Outlook
- Customer service
- High school diploma or GED

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class 1 water operator jobs near ontario

Wastewater Treatment Operator

Halton Region -
Oakville, ON

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Job details

Contract
$36.25–$44.26 an hour
5 days ago

Qualifications

Microsoft Word
Microsoft Outlook
Personal protective equipment (PPE) use
Computer literacy
Sanitation
Post-secondary education
Laboratory experience
Maintenance
Class 1 Licence
High school diploma or GED
Driving
Occupational Health and Safety (OHS) regulations
Cleaning
Supervisory control and data acquisition (SCADA)
Communication skills
Mechanical knowledge
Driving Licence

Full job description

Halton Region is committed to fostering a diverse, inclusive, and equitable workplace that reflects the communities we serve. We value, welcome and respect the unique perspectives and contributions of all individuals. We encourage applications from Indigenous Peoples (First Nation, Métis, Inuit), Black and racialized persons, persons with disabilities, women, and members of the 2SLGBTQ+ community. Accommodations are available at any point upon request for candidates participating in the selection process.

If you are looking for a role where you can lead a team towards the delivery of municipal infrastructure projects for the residents of Halton, we want to hear from you. Over the next 10 years, the Region will be investing over $5 billion in transportation, water and wastewater infrastructure. We are committed to delivering high quality infrastructure for the residents, businesses and visitors to Halton Region, and are looking for dedicated, forward thinking and enthusiastic individuals to join our Public Works team!

Posting ID: 5447
Department: Public Works
Division: Water & Wastewater Treatment
Pay Range: $36.25 - $44.26
Job Type: Contract < 1 Year
Contract Duration: 11 Months, 30 Days
Hours of Work: 40 hours per week
Work Location: Mid-Halton Wastewater Treatment Plant - 2195 North Service Road West, Oakville
Employee Group: CUPE 2620
Vacancy Status: This posting is for an existing vacancy
Posting Date: August 28, 2026
Application Deadline: September 13, 2026

CUPE Local 2620 bargaining unit members will receive first consideration for these positions.

Job Summary

The Wastewater Treatment Operator will be responsible for operating, maintaining and inspecting wastewater treatmentfacilities and undertakes minor servicing of related equipment.

Duties & Responsibilities

Monitors, analyses and adjusts process parameters.
Performs standard laboratory process testing and maintains accurate records and logs.
Participates on project teams and assists in the evaluation and implementation of technological improvements.
Conducts facility tours for members of the public, schools, universities and Regional Council.
Performs housekeeping, janitorial and other general maintenance duties.
Performs other duties as assigned.

Skills & Qualifications

Essential

A minimum of a secondary school diploma and a valid Ministry of Environment, Conservation and Parks (MECP)wastewater treatment license.
Applicants must possess and maintain a valid MECP Wastewater Treatment Operator in Training (O.I.T) or higher(class 1 to 4) licence. A valid Operator in Training (O.I.T) is required and additional consideration will be given for allwastewater treatment plant experience.
Strong mechanical aptitude, manual dexterity and computer literacy (Microsoft Word, Excel and Outlook).
Initiative, the ability to work as a team and independently along with strong communication, problem solving andanalytical skills.

Preferred

Post-secondary school education in a related environmental field and with Ministry of the Environment, Conservationand Parks (MECP) wastewater treatment licensing (Levels 1 to 4).
Knowledge, understanding and experience with the application of related legislation and acts (Occupational Healthand Safety Act, Ontario Water Regulation Act, Safe Drinking Water Act, Environmental Protection Act).
Familiarity with SCADA technology.
Relevant experience in a laboratory or wastewater plant.

Working/ Employment Conditions

Working Conditions

Flexibility in working hours is required to support 24/7 on-call and there may be periodic meetings and functions outside of regular business hours.
The successful candidate will be required to maintain MECP operator license for Wastewater Treatment.
The incumbent must be able to perform all the necessary physical tasks associated with the position including lifting, bending, kneeling, crawling, climbing ladders, working from scaffolding and heights.
The ability to work in confined spaces and oversee and perform designated duties in inclement weather is also required.
The incumbent will be required to safely handle designated substances, including caustic and acidic chemicals.
Personal Protective Equipment (PPE) must be worn at all times.
Training and relevant PPE will be provided.
Wastewater activities also involve working in unsanitary or odorous conditions at times.

Employment Conditions

Current (obtained within the past six (6) months), original and acceptable Criminal Records Check, by the first day of employment.
The incumbent will be required to drive a regional vehicle, a copy of their valid G driver’s license and a driver’s abstract will be submitted by the first day of employment.

Important information about your application:

In accordance with requirements in Ontario Regulation 191/11 – Integrated Accessibility Standards and the Ontario Human Rights Code, Halton Region will accommodate the needs of individuals with disabilities throughout the recruitment process. If you require accommodation at any stage of the recruitment process, please inform the Talent Acquisition representative of the nature of the accommodation(s) you require.
Please submit your application online. We will accommodate individual needs for applicants with disabilities and others who are not able to apply online. If you experience any issues with submitting your application, please contact HR Access at 905-825-6000 extension 7700.
Applications will be accepted until 11:59 p.m. on the deadline date specified on the posting.
We encourage applications from all qualified individuals; however, only those under consideration will be contacted.
Personal information collected through the job application process will only be used for the purpose of determining qualifications for employment.
If selected for an interview, you will be contacted by email and/or phone. Please ensure the contact information provided on your resume is up to date and that you check your email and voicemail regularly.

Halton Region serves more than 650,000 residents throughout Burlington, Halton Hills, Milton and Oakville. We are committed to delivering high-quality programs and services that make Halton a great place to live and work. We engage great people who contribute to meaningful work that makes a positive difference in our community. At Halton, you are encouraged to grow and succeed in your career and are recognized for your accomplishments and contributions. As an employee, you will be part of a progressive, service-focused, and award-winning employer with a diverse and inclusive work environment.

#INDP

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Refine Your Search

class 1 water operator jobs in ontario

Wastewater Treatment Operator

Auger Boring Machine Operator

Auger Boring Machine Operator

Auger Boring Machine Operator

Auger Boring Machine Operator

Drill Locator

Directional Driller

Material Handler/Order Picker

Water and Wastewater Senior Operator - Remote Support

Senior Project Engineer, Water and Wastewater

Building Operator

Class B Refrigeration Operator

Waterworks Operator I or II (2 vacancies)

Wastewater Treatment Operator

STP Operator (Unionized)

Water and Wastewater Shift Lead

Water & Wastewater Operator

Building Operator

Water Distribution Operator

Asst Building Operator-GCT Secondment

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