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Water Wastewater Treatment Operator Jobs in Ontario

21 jobs

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  • Water Treatment/Wastewater Equipment Troubleshooting Specialist

    Veolia

    • Pickering, ON
    Job ID REF48640S-744000112796747 Date posted 04/16/2026 Location Canada Category Operations & Maintenance Water Treatment/Wastewater Equipment Troubleshooting Specialist Compan…
    • Just now
  • Operator in Charge (OIC) - Water and Wastewater Treatment

    Veolia

    • Moosonee, ON
    Job ID REF55688M Date posted 02/26/2026 Location Canada Category Operations & Maintenance Operator in Charge (OIC) - Water and Wastewater Treatment Company Description A subs…
    • 1 month ago

    View similar jobs:

    • Water Wastewater Treatment Operator Jobs in Moosonee, ON
    • Jobs in Moosonee, ON
  • Waste Water Treatment Operator

    Clean Harbors

    • Guelph, ON
    • $25.00 per hour
    Clean Harbors in Guelph, ON is looking for a Wastewater Treatment Operator! The Wastewater Treatment Operator is working within a defined shift rotation, provides operations and ma…
    • 1 day ago
  • Waste Water Treatment Operator

    Clean Harbors

    • Guelph, ON
    • $25.00 per hour
    Job Category: Plant & Facilities Job Description: Clean Harbors in Guelph, ON is looking for a Wastewater Treatment Operator! The Wastewater Treatment Operator is working withi…
    • 3 days ago
  • Water Treatment Operator

    Adecco

    • Goderich, ON
    • $26.00-40.00 per hour
    Adecco is currently hiring Water & Wastewater Operators / Supervisors (Level 1+) for full-time opportunities based in Goderich, ON. This role is ideal for licensed and safety-focus…
    • 6 days ago
  • Water Treatment Operator

    Adecco

    • Ottawa, ON
    • $26.00-40.00 per hour
    Adecco is currently hiring Water & Wastewater Operators / Supervisors (Level 1+) for full-time opportunities based in Ottawa, ON. This role is ideal for licensed and safety-focused…
    • 6 days ago
  • Water Treatment Operator

    Adecco

    • Belleville, ON
    • $26.00-40.00 per hour
    Adecco is currently hiring Water & Wastewater Operators / Supervisors (Level 1+) for full-time opportunities based in Belleville, ON. This role is ideal for licensed and safety-foc…
    • 7 days ago
  • Water Treatment Operator

    Adecco

    • Haliburton, ON
    • $26.00-40.00 per hour
    Adecco is currently hiring Water & Wastewater Operators / Supervisors (Level 1+) for full-time opportunities based in Haliburton, ON. This role is ideal for licensed and safety-foc…
    • 7 days ago
  • Water Treatment Operator

    Adecco

    • Stoney Creek, ON
    • $26.00-40.00 per hour
    Adecco is currently hiring Water & Wastewater Operators / Supervisors (Level 1+) for full-time opportunities based in Owen Sound, ON. This role is ideal for licensed and safety-foc…
    • 7 days ago
  • Water Treatment Operator

    Adecco

    • Ontario
    • $26.00-40.00 per hour
    Adecco is currently hiring Water & Wastewater Operators / Supervisors (Level 1+) for full-time opportunities based in Muskoka, ON. This role is ideal for licensed and safety-focuse…
    • 7 days ago
  • Water and Wastewater Operator

    Veolia

    • Walkerton, ON
    • $28.00-35.00 per hour
    Job ID REF57333O Date posted 04/01/2026 Location Canada Category Operations & Maintenance Water and Wastewater Operator Company Description A subsidiary of Veolia group, Veol…
    • 14 days ago
  • Water/Wastewater Operator II

    Region of Peel

    • Brampton, ON
    Water/Wastewater Operator II Public Works – Water & Wastewater Regular Full-Time Hourly Rate: $36.64 - $38.43 (plus an additional $4.00 hourly premium) CUPE LOCAL 966- Publ…
    • 13 days ago
  • Waste Water and P&S Process Operator

    HF Sinclair

    • Mississauga, ON
    • $44.51 per hour
    Basic Function Petro-Canada Lubricants Inc. (PCLI), an HF Sinclair company, located in Mississauga, Ontario is seeking a permanent full-time Process Operator for the Operations -…
    • 1 month ago

    View similar jobs:

    • Waste Water Operator Jobs in Mississauga, ON
    • Jobs in Mississauga, ON
  • Waste Water and P&S Process Operator

    HF Sinclair

    • Mississauga, ON
    • $44.51 per hour
    Basic Function Petro-Canada Lubricants Inc. (PCLI), an HF Sinclair company, located in Mississauga, Ontario is seeking a permanent full-time Process Operator for the Operations –…
    • 1 month ago

    View similar jobs:

    • Waste Water Operator Jobs in Mississauga, ON
    • Jobs in Mississauga, ON
  • Lead Operator

    Veolia

    • Toronto, ON
    • $33.00-40.35 per hour
    Job ID REF57138O Date posted 04/14/2026 Location Canada Category Operations & Maintenance Lead Operator Company Description A subsidiary of Veolia group, Veolia North America…
    • 2 days ago
  • STP Operator (Unionized)

    AECON

    • Bowmanville, ON
    • $51.44 per hour
    Come Build Your Career at Aecon! As a Canadian leader in infrastructure development, Aecon is and building what matters for future generations to thrive! We lead some of the most…
    • 2 days ago
  • Equipment Operator

    Veolia

    • Toronto, ON
    • $20.00-25.00 per hour
    Job ID REF52155N Date posted 03/24/2026 Location Canada Category Operations & Maintenance Equipment Operator Company Description A subsidiary of Veolia group, Veolia North Am…
    • 22 days ago

    View similar jobs:

    • Equipment Operator Jobs in Toronto, ON
    • Jobs in Toronto, ON
  • General Labourer - Cleanout Specialist

    Wessuc Inc.

    • Brantford, ON
    • $22.00 per hour
    General Labourer (Cleanout Specialist) WESSUC INC. | Brantford, ON As passionate stewards of our world, we champion clean water and fertile soil. Would you like to make a diff…
    • 1 day ago
  • INDUSTRIAL MILLWRIGHT APPRENTICE

    City of Toronto

    • Toronto, ON
    • $27.37-41.06 per hour
    Job ID: 63311 Job Category: Trades Division & Section: Toronto Water, Wastewater Treatment Work Location: Various. See below. Job Type & Duration: Full-time, Temporary (4 Years…
    • 10 days ago
  • Business Development Representative

    Veolia

    • Oakville, ON
    • $120,000-140,000 per year
    A subsidiary of Veolia group, Veolia North America (VNA) is the top-ranked environmental company in the United States for three consecutive years, and the country's largest private…
    • 12 days ago

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