550 wastewater treatment job offers in province of Ontario
126-150 of 550 jobs
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Technical Sales Representative, Food & Beverage Water...
Nalco Water An Ecolab Company Kitchener, ON
Technical Sales Representative, Food & Beverage Water Treatment Join us as a Technical Sales Representative in the Nalco Water, An Ecolab Company team. In...
8 days ago in JobleadsReport -
Wastewater Process Engineer - Membrane R&D & Pilot Testing
Fibracast Hannon, ON
A wastewater treatment innovation firm is seeking a Wastewater Process Engineer. This role involves developing and executing wastewater process test plans...
8 days ago in JobleadsReport -
Water/Wastewater Process Engineer & Project Lead
Amiad USA Burlington, ON
A leading engineering firm in Burlington, Ontario, is seeking a Process Applications Engineer to design and implement water and wastewater treatment projects...
8 days ago in JobleadsReport -
Cooling Project Engineer
new Marmon Industrial Water Burlington, ON
...opportunities, and fostering a culture where everyone’s empowered to be their best. *Marmon Industrial Water*. Designs and manufactures water and wastewater...
17 h 11 minutes ago in whatjobsReport -
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...
8 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...
23 days ago in JobleadsReport -
Field Services Electrician — Water/Wastewater PLC Pro
BluMetric Ottawa, ON
...environmental consulting company in Ottawa is seeking a Field Services Electrician. Responsibilities include installation and maintenance of water treatment...
8 days ago in JobleadsReport -
Water Treatment Operator in Training: Grow Your License
Ontario First Nations Technical Services Northwestern Ontario, ON
A nonprofit organization in Northwestern Ontario is seeking a highly motivated Operator in Training. This role involves assisting the Water Treatment Plant...
8 days ago in JobleadsReport -
Wastewater Technician: 24/7 Plant Ops & Circular Economy
Jungbunzlauer Port Colborne, ON
A leading biotechnology company in the Niagara Region of Canada is seeking a Wastewater Technician to operate and maintain wastewater treatment and...
8 days ago in JobleadsReport -
Senior Engineer, Group Leader
Tatham Engineering Barrie, ON
...where collaboration and growth are encouraged. We are seeking an experienced, accomplished, and self-motivated Group Leader to work in the Water & Wastewater...
Gross/year: $120,000
4 days ago in whatjobsReport -
Maintenance Operator Class II - WwTF
new City of Barrie Barrie, ON
...Mechanic Millwright Certificate of Qualification (720 Hours of In-School Training as outlined by the Ontario College of Trades) Wastewater Treatment and
1 day ago in JobleadsReport -
HUB Coordinator
Anishinabek Employment & Training Services Sudbury, ON
...or environmental field of knowledge and/or 3-5 years of related experience, preferably in the water & wastewater industry, and a minimum of Grade 12
6 days ago in JobleadsReport -
Biogas Plant Operations Lead (AD/MBR)
new Veolia Toronto, ON
...treatment, with strong leadership and communication skills. The position is full-time, Monday to Friday, with a focus on customer satisfaction and safety...
1 day ago in JobleadsReport -
Biogas Plant Operations Lead & Safety Champion
new Veolia Toronto, ON
...treatment and be equipped to lead a safety-focused environment. This is an exciting opportunity within a company dedicated to ecological transformation and...
1 day ago in JobleadsReport -
Part-time operator (oit to level 4) competition no. PWE-2025
of the City of Timmins Timmins, ON
...Matched Contributions Existing Position: Yes Salary: $27.36. 35.01 (2025) Union: OPSEU Local 649 Duties Report directly to the Chief Operator of Wastewater...
2 days ago in JobleadsReport -
Carpenter/Formsetter
North America Construction (1993) - NAC Constructors Innisfil, ON
North America Construction Ltd. NAC Constructors Ltd. (Nac) is well known for our expertise in water and wastewater construction across Canada. Our...
Gross/year: $60,000
4 days ago in whatjobsReport -
Operator
new Veolia Moosonee, ON
...wastewater, sludge and gasses (odor control, digester, etc) according to schedule. Prepare chemical solutions and services automatic samplers. Monitor...
20 h 52 minutes ago in JobleadsReport -
Environmental Operations Technician
Magellan Aerospace Haley Station, ON
...field environments, exposure to water, wastewater, landfill sites, and hazardous materials. Use of PPE required for daily operations and Emergency Response.
6 days ago in JobleadsReport -
Senior Project Manager, Drinking Water
Jacobs Toronto, ON
...treatment processes and technologies. Strong communication skills, both written and oral. Self-motivated, initiator; demonstrated through professional...
6 days ago in JobleadsReport -
Senior Project Manager, Drinking Water
Jacobs Toronto, ON
...of drinking water supply, master planning, and treatment processes and technologies. Strong communication skills, both written and oral Self-motivated,
6 days ago in JobleadsReport -
Electrical Superintendent
North America Construction Innisfil, ON
North America Construction (1993) Ltd. NAC Constructors Ltd. (Nac) is well known for our expertise in water and wastewater construction across Canada. Our...
6 days ago in JobleadsReport -
Skilled Labourer
North America Construction (1993) - NAC Constructors Innisfil, ON
North America Construction Ltd. NAC Constructors Ltd. (Nac) is well known for our expertise in water and wastewater construction across Canada. Our...
Gross/year: $60,000
4 days ago in whatjobsReport -
Electrical Superintendent
new North America Construction (1993) - NAC Constructors Innisfil, ON
Position Summary North America Construction (1993) Ltd. NAC Constructors Ltd. (Nac) is well known for our expertise in water and wastewater construction...
20 h 47 minutes ago in JobleadsReport -
Job ID #30790: Instrumentation Technician
City Of Hamilton Hamilton, ON
...treatment equipment. Ability to proficiently use software applications such as MS Office (Word, Excel, & Outlook) to carry out necessary tasks. Maintains...
6 days ago in JobleadsReport -
Operator
new Veolia Hagersville, ON
...wastewater, sludge and gases (odor control, digester, etc) according to schedule. Prepare chemical solutions and services automatic samplers. Monitor...
20 h 48 minutes ago in JobleadsReport
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