464 wastewater treatment job offers in province of Ontario
126-150 of 464 jobs
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Structural Designer for Water & Wastewater Infra
WSP in Canada Markham, ON
...in Canada is seeking a Structural Designer for its Infrastructure Facilities team in Markham. The role involves engineering analysis, design of water treatment...
30+ days ago in JobleadsReport -
Wastewater Operator - SCADA, Lab & Field Tech
Veolia Hagersville, ON
A leading environmental services provider in Hagersville, Ontario seeks a Wastewater Operator to ensure the safe and compliant operation of the wastewater...
30+ days ago in JobleadsReport -
Wastewater Plant Operator — SCADA, Lab Tests & On-Call
Veolia Hagersville, ON
A leading environmental service provider in Hagersville, Ontario, is seeking a Wastewater Operator to manage the operation of a wastewater treatment plant...
30+ days ago in JobleadsReport -
Wastewater Plant Operator: Growth, Training & Full-Time...
Veolia Toronto, ON
...treatment and excellent communication skills. This is a full-time position offering comprehensive benefits and competitive wages. J-18808-Ljbffr
21 days ago in JobleadsReport -
Mechanical Superintendent
new North America Construction (1993) - NAC Constructors Kemptville, ON
North America Construction Ltd. NAC Constructors Ltd. (Nac) is well known for our expertise in water and wastewater construction across Canada. Our...
23 h 4 minutes ago in whatjobsReport -
Mill Services Superintendent: Lead Wastewater & Boiler Ops
Atlantic Packaging Whitby, ON
A leading packaging company in Whitby is seeking a Mill Services Superintendent to manage operations related to wastewater treatment and boiler systems. The...
30+ days ago in JobleadsReport -
Water & Wastewater Operator — Licensed & On-Call (Ontario)
Clearford Water Systems London, ON
A water management company is seeking skilled and licensed Water and Wastewater Operators for multiple locations across Ontario, including London. The role...
30+ days ago in JobleadsReport -
Moosonee Water & Wastewater Operator - Northern Allowance
Veolia Moosonee, ON
A leading environmental company is seeking a Water and Wastewater Operator in Moosonee, Ontario. The role involves operating and maintaining treatment plants...
30+ days ago in JobleadsReport -
Senior Engineer, Group Leader - Water & Wastewater
Tatham Engineering Barrie, ON
Senior Engineer, Group Leader. Water & Wastewater Join Tatham Engineering as a Senior Engineer, Group Leader in the Water & Wastewater group at our Barrie...
30+ days ago in JobleadsReport -
Manager of Water & Wastewater Operations
Keewaytinook Okimakanak Northwestern Ontario, ON
Manager of Water & Wastewater Operations Job Category: Public Works Requisition Number: MANAG001258 Posted: November 18, 2025 Full-Time On-site Locations...
30+ days ago in JobleadsReport -
Project Manager
new Veolia Toronto, ON
...degree in Mechanical or other engineering discipline, or equivalent. At least 10 years of experience with waste treatment plants or similar. At least 10 years
23 h 9 minutes ago in whatjobsReport -
Wastewater Services Labourers (Temporary Summer Position, 2...
City Of Guelph Guelph, ON
...connected, prosperous city. Position Overview The City of Guelph is looking for hardworking, motivated team players looking to work at our Wastewater...
23 days ago in JobleadsReport -
Senior Contract Administrator, Construction Inspector...
Tatham Engineering Barrie, ON
Senior Contract Administrator, Construction Inspector (Water/Wastewater) Join to apply for the Senior Contract Administrator, Construction Inspector...
30+ days ago in JobleadsReport -
Structural Engineer - Water, Wastewater & Solid Waste
WSP in Canada Toronto, ON
Overview Structural Engineer. Water, Wastewater & Solid Waste role at WSP in Canada Location: Thornhill, Ontario. WSP is growing and has an opportunity for a...
30+ days ago in JobleadsReport -
Structural Engineer - Water, Wastewater & Solid Waste
WSP in Canada Markham, ON
The Opportunity WSP is growing and has an opportunity for a Structural Engineer to join our Water, Wastewater, and Solid Waste Facilities Structural Team...
30+ days ago in JobleadsReport -
Remote Water Treatment Operator — FIFO, Data & Lab Focus
Jhubz by JobsMedia Northeastern Ontario, ON
A water services company in Ontario seeks a versatile Operator to maintain water treatment systems. Responsibilities include data analysis, maintenance of...
30+ days ago in JobleadsReport -
Instrumentation and Controls Technician
Veolia Toronto, ON
...treatment, chemical processing, petrochemicals, cement production, or metal processing. Proficient at troubleshooting, repairing, maintaining and servicing...
3 days ago in whatjobsReport -
Plant Operator Water
new Kawartha Lakes Lindsay, ON
...wastewater backup, water leaks, etc. In a timely and professional manner. Respond to and investigate service leaks and other water related issues within...
1 day ago in JobleadsReport -
Water Plant Operator (Temporary) – scada & field ops
new Kawartha Lakes Lindsay, ON
A municipal government in Ontario is looking for a Plant Operator to manage the operation and maintenance of water distribution and wastewater treatment...
1 day ago in JobleadsReport -
Municipal Project Manager/Engineer - Infrastructure (Hybrid)
new City of Toronto Toronto, ON
A municipal organization in Toronto is seeking a skilled Project Manager/Engineer to oversee multidisciplinary projects in wastewater treatment. The role...
9 h 55 minutes ago in JobleadsReport -
Project Manager I
new Halton Region Oakville, ON
...treatment projects including SCADA under the direction of the Senior Project Advisor, Plant Capital & Engineering. Provide project administration support to...
9 h 59 minutes ago in JobleadsReport -
Journeyperson Pipefitter or Plumber
new Maple Reinders Campbellford, ON
...treatment facility construction an asset Valid Zoom Boom Ticket is considered an asset. We want an individual who will embody Maple Reinders core values of...
10 h 3 minutes ago in JobleadsReport -
Customer Service Representative
Hayward Holdings Oakville, ON
...manufacturer of industrial thermoplastic valves, filters, strainers, bulkhead fittings & tank accessories, actuation, and pumps for use in water & wastewater...
3 days ago in whatjobsReport -
Mill Services Superintendent
Atlantic Packaging Whitby, ON
...the Mill Services Superintendent will organize and direct all safety, quality, and productivity requirements for the department, focusing on Effluent treatment...
2 days ago in JobleadsReport -
Mill Services Superintendent
Atlantic Packaging Whitby, ON
...the Mill Services Superintendent will organize and direct all safety, quality and productivity requirements for the department focusing on effluent treatment...
3 days ago in JobleadsReport
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