Process Engineer jobs in St Catharines, ON

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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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10 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 Pharmaceutical Process Expert (CMC/Manufacturing Strategy)

Chladni
St. Catharines

We are hiring a Senior Process Engineer with deep experience in pharmaceutical manufacturing to help us build the next generation of process intelligence for GMP environments. This role is not a traditional operations position. You will define what data is realistically accessible inside pharmaceutical plants, how it should be interpreted, and how it can be used to deliver accurate, compliant,...

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3 hours ago

Senior Manufacturing Engineer: Heat Transfer & Process

Boyd Corporation
Niagara Falls

A leading engineering firm in Niagara Falls is looking for a Senior Manufacturing Engineer. Responsibilities include developing and enhancing manufacturing processes for heat transfer products, collaborating with cross-functional teams, and managing manufacturing projects. Candidates should have a Bachelor’s degree in Industrial or Mechanical Engineering and at least 5 years of experience. The...

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10 hours ago

CNC Machining Engineer - Process Improvement & NPI

Innio
Welland

A leading manufacturing company in Welland is looking for a Manufacturing Engineering Specialist - Machining. This role involves CNC programming, tooling design, and quality validation for large industrial gas engine components. Candidates should have a Bachelor's in Manufacturing or Mechanical Engineering and at least 5 years of experience in machining and programming. The position offers...

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an hour ago
Remote

Senior Network Engineer (Canada)

Sitel Corp.
St. Catharines

Foundever® is the next-generation services leader reinventing customer experience (CX). Built on diverse and proven industry experience, we proudly combine the latest in digital operations with a 150,000-strong, people-led workforce across +45 countries. Each year we enable 3.3 billion conversations in +60 languages for more than 800 world‑leading brands, helping them keep their brand promises...

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13 hours ago

Project Engineer

Matchfield
St. Catharines

The Project Engineer is the technical leader of a multi-discipline design team as part of CEM Engineering’s Project Delivery Teams. The Project Engineer supports a client-based project delivery process which includes consulting services, feasibility/FEED services, detailed engineering & design, and construction & commissioning support. The Project Engineer is an experienced engineer with a...

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5 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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a day ago
Remote

Senior Network Engineer (Canada)

Foundever
St. Catharines

Join to apply for the Senior Network Engineer (Canada) role at Foundever Get AI-powered advice on this job and more exclusive features. About Foundever Foundever® is the next-generation services leader reinventing customer experience (CX). Built on diverse and proven industry experience, we proudly combine the latest in digital operations with a 150,000-strong, people-led workforce across +45...

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a day ago

Technical Sales Engineer

TreowGroup Recruitment
St. Catharines

Pair technical problem-solving with relationship-building to help customers thrive. We’re working with a leader in thermal fluid solutions that supports manufacturers across a wide range of industries. This well-established organization, with operations in Canada and the US, is seeking a Technical Sales Engineer who will serve as the primary point of contact for customers, providing responsive...

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a day ago

AI Engineer

Randstad Digital Americas
St. Catharines

AI Engineer Role Summary We are seeking a Senior AI Engineer to lead the design and development of advanced generative, recommender, and predictive models that drive significant business value. In this role, you will ensure the performance and accuracy of solutions, staying at the forefront of the latest AI research and methodologies, particularly in natural language processing, predictive...

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4 hours ago

Customer Success Engineer - st catharines

BioIntelligence Technologies
St. Catharines

BioIntelligence Technologies started with a simple goal: accelerate access to greener chemicals for families, friends, citizens, and the planet. Today, biotech accounts for 20% of all molecules and is growing five times faster than the chemical industry. However, a lack of real-time insights has hindered this growth, forcing biotech companies to rely on offline testing methods that delay...

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3 hours ago

OxyChem DCS/Process Engineer

Oxy Chemical Corp
Thorold

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 success has and will continue to be our people. OxyChem, a Berkshire Hathaway company, is a...

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an hour ago

Senior Pharmaceutical Process Expert (CMC/Manufacturing Strategy) - st catharines

Chladni
St. Catharines

We are hiring a Senior Process Engineer with deep experience in pharmaceutical manufacturing to help us build the next generation of process intelligence for GMP environments. This role is not a traditional operations position. You will define what data is realistically accessible inside pharmaceutical plants, how it should be interpreted, and how it can be used to deliver accurate, compliant,...

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3 hours 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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10 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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10 hours ago

Senior Pharmaceutical Process Expert (CMC/Manufacturing Strategy) - Chladni

Chladni
St. Catharines

We are hiring a Senior Process Engineer with deep experience in pharmaceutical manufacturing to help us build the next generation of process intelligence for GMP environments. This role is not a traditional operations position. You will define what data is realistically accessible inside pharmaceutical plants, how it should be interpreted, and how it can be used to deliver accurate, compliant,...

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3 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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13 hours ago

Senior Pharmaceutical Process Expert

Chladni
St. Catharines

We are hiring a Senior Process Engineer with deep experience in pharmaceutical manufacturing to help us build the next generation of process intelligence for GMP environments.This role is not a traditional operations position. You will define what data is realistically accessible inside pharmaceutical plants, how it should be interpreted, and how it can be used to deliver accurate, compliant, and...

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5 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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13 hours ago
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