Environmental Engineering jobs in St Catharines, ON

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Environmental Engineering Co-op - Propulsion Plant (16-Mo)

General Motors of Canada
St. Catharines

A leading automotive manufacturer is inviting applications for an Environmental Engineering internship at their St. Catharines Propulsion Plant. This 16-month, full-time role offers the chance to support sustainability initiatives and gain hands-on experience within a manufacturing environment. The ideal candidate is a confident engineering student with strong problem-solving and communication...

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12 hours ago
No Experience

2026-2027 16 Month Coop Environmental Engineering, St. Catharines Propulsion Plant

General Motors
St. Catharines

Onsite - This role is categorized as onsite. This means the successful candidate is expected to report to the St. Catharines Propulsion Plant on a full-time basis. General Motors is reinventing itself as a company. We are driving forward, accelerating change, and opening the door to new thinking and advanced technology. Our vision is to design, build, and sell the world’s best vehicles. General...

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12 hours ago

Senior Environmental Engineer - Apply

GHD
St. Catharines

Join a global professional services leader. We are committed to solving the world’s biggest challenges in the areas of environment, water, energy, and urbanization. Who are we looking for? GHD has a great opportunity for a Senior Environmental Project Engineer in a Project Engineering Design and Construction role, with a specialization in contaminated sites to support our North American team!...

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13 hours ago

Co-op Engineering Student - Water & Wastewater/Environmental/Mechanical - Apply

R.V. Anderson Associates Limited
St. Catharines

Co-op Engineering Student - Water & Wastewater/Environmental/Mechanical 2001 Sheppard Ave E suite 300, North York, ON M2J 4Z8, Canada ● 43 Church St Suite 104, St. Catharines, ON L2R 7E1, Canada ● 436 Westmount Ave, Sudbury, ON P3A 5Z8, Canada ● 4900 Palladium Way Suite 200, Burlington, ON L7M 0W7, Canada ● 4900 Palladium Way, Burlington, ON L7M 0K9, Canada ● 557 Southdale Rd E Suite 200,...

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13 hours ago

Experienced Environmental Scientist

WSP in Canada
St. Catharines

2 days ago – Be among the first 25 applicants. Get AI-powered advice on this job and more exclusive features. The Opportunity: WSP is seeking an experienced Environmental Consultant to join our Site Assessment and Remediation Team in Southern Ontario. You’ll play a key role in delivering site assessment and remediation projects for a wide range of clients, including municipal, provincial,...

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12 hours ago

Senior Environmental Scientist - Remediation Services

Pinchin in Canada
St. Catharines

Senior Environmental Scientist - Remediation Services Join to apply for the Senior Environmental Scientist - Remediation Services role at Pinchin in Canada Senior Environmental Scientist - Remediation Services 4 months ago Be among the first 25 applicants Join to apply for the Senior Environmental Scientist - Remediation Services role at Pinchin in Canada Senior Environmental...

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13 hours ago

Mechanical Engineer

CHA Consulting, Inc.
St. Catharines

Join Us: Finding a better way. At CHA, we believe in the power of clean water, resilient energy, safer roads, and structures that harmoniously blend with their surroundings. We create solutions. We help People. We improve our world. At CHA, we embed ourselves in our communities - and take pride in improving things where we live. At the foundation is a commitment to inclusion and diversity and...

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an hour ago
Remote

Design and Construction Engineer - Apply

City of St. Catharines
St. Catharines

Responsible For: - Providing Professional Engineering services including signing and sealing documents for required approvals prescribed by Acts and Regulations for all in-house municipal construction projects and providing technical advice to all Divisions of the Engineering, Facilities and Environmental Services Department and all other Departments. - Organizing and supervising technical...

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13 hours ago

Graduate Project Engineer/Geoscientist - Apply

WSP Canada
St. Catharines

The WSP St. Catharines Team is growing and has an opportunity for a early career engineer or geoscientist to join us in our Waste Management and Hydrogeological practice. As an early career professional, you will be part of an established team of engineers and geoscientists working on a variety of landfill, aggregate and other geological/hydrogeological projects Why choose WSP? - We value and...

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13 hours ago

OxyChem 2nd Class Power Engineer Relief

Oxy Chemical Corp
Thorold

Join to apply for the OxyChem 2nd Class Power Engineer Relief role at Oxy Chemical Corp . Contribute. Grow. Lead...with OxyChem. Looking for a challenge? Desire to achieve your true potential? OxyChem is a growing, action-oriented, safety driven chemical manufacturing company continually striving to be the best in the business while staying focused on environmental protection. The secret to our...

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12 hours ago

Power Engineer Relief: Shift Coverage & Plant Maintenance

Oxy Chemical Corp
Thorold

A leading chemical manufacturing company located in Thorold, Ontario, is seeking a 2nd Class Power Engineer Relief. The successful candidate will provide support for operations, conduct maintenance checks, and ensure adherence to safety and environmental standards. An ideal candidate will have a valid 2nd Class Operating Engineer’s License and experience in plant operations, particularly in the...

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12 hours ago

Intermediate Engineer, Water and Wastewater - Apply

R.V. Anderson Associates Limited
St. Catharines

Intermediate Engineer, Water and Wastewater 1750 Courtwood Crescent Suite 220, Ottawa, ON K2C 2B5, Canada ● 2001 Sheppard Ave E suite 300, North York, ON M2J 4Z8, Canada ● 43 Church St Suite 104, St. Catharines, ON L2R 7E1, Canada ● 436 Westmount Ave, Sudbury, ON P3A 5Z8, Canada ● 4900 Palladium Way, Burlington, ON L7M 0K9, Canada ● 557 Southdale Rd E Suite 200, London, ON N6E 1A2, Canada Req...

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13 hours ago
No Experience

Co-op Environmental Engineer — Plant Sustainability & Compliance

General Motors
St. Catharines

A leading automotive company is seeking an Environmental Engineering intern for a 16-month position at their St. Catharines Propulsion Plant. The selected candidate will engage in sustainability initiatives, assist with environmental compliance, and support training related to environmental practices. Applicants must be pursuing a Bachelor's degree in a relevant field and possess strong...

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12 hours ago

Senior Wastewater Process Treatment Engineer

GHD
St. Catharines

Join to apply for the Senior Wastewater Treatment Engineer role at GHD2 days ago Be among the first 25 applicantsJoin to apply for the Senior Wastewater Treatment Engineer role at GHDGet AI-powered advice on this job and more exclusive features.Who are we looking for?Due to continued rapid growth and expansion of the water group in Ontario, we are seeking a Senior Process Engineer – Water and...

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13 hours ago
No Experience

2026-2027 16 Month Coop Environmental Engineering, St. Catharines Propulsion Plant

General Motors of Canada
St. Catharines

Job Description Onsite - This role is categorized as onsite. This means the successful candidate is expected to report to the St. Catharines Propulsion Plant on a full-time basis. General Motors is reinventing itself as a company. We are driving forward, accelerating change, and opening the door to new thinking and advanced technology. Our vision is to design, build, and sell the world’s best...

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12 hours ago
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Senior Civil Engineer- Site Remediation, Earthworks

GHD
St. Catharines

Senior Civil Engineer- Site Remediation, Earthworks Join to apply for the Senior Civil Engineer- Site Remediation, Earthworks role at GHDSenior Civil Engineer- Site Remediation, Earthworks 1 day ago Be among the first 25 applicantsJoin to apply for the Senior Civil Engineer- Site Remediation, Earthworks role at GHDGet AI-powered advice on this job and more exclusive features.Who are we looking...

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13 hours ago

DCS Process Engineer — Growth & Impact in Chem Plant

Oxy Chemical Corp
Thorold

A leading chemical manufacturer is seeking a DCS/Process Engineer in Thorold, Ontario. This role emphasizes safety and environmental protection while overseeing the DCS in a dynamic manufacturing environment. Ideal candidates should hold a degree in Chemical Engineering, possess strong problem-solving abilities, and have experience with DCS systems. The position offers competitive pay, benefits,...

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an hour ago

Senior Project Engineer -Transportation

GHD
St. Catharines

Overview Senior Project Engineer - Transportation role at GHD. To be successful, you must have a minimum of 10+ years of experience in transportation engineering, design and design coordination on large scale transportation projects including highways, roads, transit, and multi-modal infrastructure (LRT/BRT). The Senior Project Engineer will cooperate and work closely with other members of the...

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13 hours ago
Hybrid

Intermediate Pavement Engineer

GHD
St. Catharines

Overview Join to apply for the Intermediate Pavement Engineer role at GHD We are seeking an Intermediate Pavement Engineer or EIT to join our growing Canadian operations. In an ever-changing world, it requires creativity and innovation to stay ahead. We’re seeking the curious, those who are stimulated by fresh thinking and a desire to shape our communities in new, positive ways. As part of a...

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12 hours ago

Transportation Planner/ Traffic Engineer

GHD
St. Catharines

Transportation Planner/ Traffic Engineer Join to apply for the Transportation Planner/ Traffic Engineer role at GHD Transportation Planner/ Traffic Engineer 22 hours ago Be among the first 25 applicants Join to apply for the Transportation Planner/ Traffic Engineer role at GHD Job DescriptionWe are looking for a Transportation Planner / Traffic Engineer to join our Transportation Planning...

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11 hours ago
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