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Senior Process Engineer Jobs in Ontario (NOW HIRING)

Smarter Alloys

Senior Process Engineer

Cambridge, ON

Senior Process Engineer Location: Cambridge, Ontario (On-site) Type: Full Time, Permanent Shift: Day shift, with flexibility during equipment commissioning and start-up ABOUT SMARTER ALLOYS Smarter ...

Linamar

Senior Process Engineer

Guelph, ON

Senior Process Engineer Job Summary As a Senior Process Engineer, you will be responsible for the full scope of projects, including development, planning, execution and implementation of ...

True Environmental

Senior Process Engineer I

Toronto, ON · On-site +1

CA$130K - CA$170K/yr

Senior Process Engineer Vancouver, BC; Toronto, ON; Whitehorse, YT; Calgary, AB; Saskatoon, SK; Remote - Regular-Full Time As a Senior Process Engineer , you will be responsible for working within an ...

Hatch

Senior Process Engineer - Metals

Mississauga, ON · On-site

The Senior Process Engineer will be part of an engineering team providing engineering services and/or field support. Client liaison and maintaining the focus of the project on achieving unprecedented ...

Kimberly-Clark

Senior Process Engineer

Huntsville, ON · On-site

Senior Process Engineer Join the team behind iconic brands like Huggies, Kleenex, Cottonelle, Scott, Kotex, Poise, Depend, and Kimberly-Clark Professional. At Kimberly-Clark, it's all here for you ...

Kimberlyclark

Senior Process Engineer

Huntsville, ON

Senior Process Engineer Join the team behind iconic brands like Huggies, Kleenex, Cottonelle, Scott, Kotex, Poise, Depend, and Kimberly-Clark Professional. At Kimberly-Clark, it's all here for you ...

Magna

Senior Process Engineer

Guelph, ON · On-site

Minimum 5 years process engineering experience in automotive manufacturing. * Experience in Reaction Injection Molding (RIM), SMC composite processing or related polymer/composite manufacturing ...

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All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Ontario

Senior Process Engineer information

See Ontario salary details

$56.5K

$108.7K

$161K

How much do senior process engineer jobs pay per year?

As of Jul 26, 2026, the average yearly pay for senior process engineer in Ontario is $108,691.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,000.00 and $118,000.00 per year, depending on experience, location, and employer.

What is the difference between Senior Process Engineer vs Process Engineer?

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

What are the key skills and qualifications needed to thrive as a Senior Process Engineer, and why are they important?

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What does a Senior Process Engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

What are some common challenges Senior Process Engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.
What are the most commonly searched types of Process Engineer jobs in Ontario? The most popular types of Process Engineer jobs in Ontario are:
What are popular job titles related to Senior Process Engineer jobs in Ontario? For Senior Process Engineer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Senior Process Engineer jobs in Ontario look for? The top searched job categories for Senior Process Engineer jobs in Ontario are:
What cities in Ontario are hiring for Senior Process Engineer jobs? Cities in Ontario with the most Senior Process Engineer job openings:
What are popular job titles related to Senior Process Engineer jobs in ON? For Senior Process Engineer jobs in ON, the most frequently searched job titles are:
Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Ontario as of July 2026, with employment types broken down into 1% Locum Tenens, 96% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $108,691 per year, or $52.3 per hour.

Senior Process Engineer

TWD Technologies Ltd.

Burlington, ON • On-site

Contractor

Posted 2 days ago

Job description

Senior Process Engineer – Join a Team That Puts People First
At TWD, we know the secret to success isn’t just technical skill, it’s the people behind it. That’s why we hire for attitude first. If you’re collaborative, positive, and driven to grow, you’ll thrive here. We’re not a typical EPCM company. We’re a family-oriented team with global reach, working on exciting projects in Oil & Gas, Infrastructure, Renewables, and more. Our name says it all: Together We Deliver.
Job Summary
As a Senior Process Engineer, you will lead the planning, development, and execution of complex process engineering activities across energy and oil & gas projects from concept through commissioning and operational support. You will provide technical leadership, develop innovative engineering solutions, and ensure process designs meet client requirements, applicable industry standards, and company procedures. Working within multidisciplinary project teams, you will mentor engineers, support project delivery, and contribute to the continuous improvement of engineering practices within a global engineering environment. This position is based out of our Burlington, ON office.
Key Responsibilities
Process Engineering Support
  • Develop and prepare process engineering deliverables, including process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), process descriptions, and engineering reports.
  • Perform process engineering calculations, including material and energy balances, hydraulic calculations, equipment sizing, relief system evaluations, and utility assessments.
  • Prepare and review process datasheets, equipment specifications, and other technical documentation.
  • Evaluate process design alternatives and recommend practical, safe, and cost-effective engineering solutions.
Project Execution
  • Execute process engineering activities across concept, FEED, detailed design, commissioning, and project closeout phases as required.
  • Coordinate process engineering deliverables to meet project schedules, budgets, and quality objectives.
  • Support engineering change management activities and resolve technical issues throughout the project lifecycle.
  • Participate in technical reviews and contribute to continuous improvement initiatives.
Process Safety & Compliance
  • Ensure engineering designs comply with applicable industry codes, standards, regulatory requirements, and client specifications.
  • Participate in process safety studies, including HAZID, HAZOP, and other risk assessments, and implement resulting actions where applicable.
  • Support safe design practices by identifying and mitigating process-related risks throughout project execution.
  • Maintain engineering documentation in accordance with company quality management procedures.
Collaboration & Technical Leadership
  • Collaborate with multidisciplinary engineering teams to ensure coordinated and integrated project delivery.
  • Provide technical support and guidance to junior engineers and review their work for accuracy and quality.
  • Interface with project managers, clients, vendors, and other stakeholders to support engineering execution and resolve technical queries.
  • Participate in project meetings and provide process engineering expertise throughout project development.

Qualifications & Skills
  • Bachelor's degree in Chemical Engineering or a related engineering discipline.
  • 4–9 years of relevant process engineering experience within the energy, oil & gas, or industrial sectors.
  • Strong understanding of process engineering principles, equipment design, process simulation concepts, and engineering calculations.
  • Experience developing and reviewing process engineering deliverables throughout multiple project phases.
  • Working knowledge of applicable industry codes, standards, and engineering best practices.
  • General proficiency with process engineering software and engineering design tools.
  • Strong analytical, problem-solving, and decision-making skills with attention to technical quality.
  • Effective communication and interpersonal skills with the ability to work collaboratively across multidisciplinary teams.
  • Demonstrated ability to prioritize workload, manage multiple assignments, and meet project deadlines.
  • Experience mentoring or providing technical guidance to junior engineering staff is considered an asset.

Note: This job description is intended to convey information essential to understanding the scope of the position and is not exhaustive. Duties and responsibilities may be subject to change based on business needs and management discretion.
 

We embrace diversity and are committed to creating an inclusive environment for everyone. We are an equal opportunity employer and welcome all qualified applicants. If you require accommodation at any time throughout the recruitment process, please contact our Human Resources Team.

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