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Sr Process Engineer Jobs in Ontario (NOW HIRING)

Senior Process Engineer Employment Type: Full‑Time, Permanent Hours: 37.5 hours per week Travel: 10%-15% ERCO Worldwide is looking for a Senior Process Engineer to join our Toronto team. The Senior ...

New

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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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Sr Process Engineer information

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

To thrive as a Sr Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often with a bachelor's or master's degree and relevant industry experience. Familiarity with process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and knowledge of safety and regulatory standards are typically required. Strong problem-solving, project management, and communication skills help distinguish top performers in this role. These skills and qualifications are vital for optimizing processes, ensuring efficiency and safety, and driving continuous improvement in complex manufacturing environments.

What are Sr Process Engineers?

Senior Process Engineers are experienced professionals responsible for designing, optimizing, and overseeing the processes used in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and implement improvements to increase efficiency, reduce costs, and ensure product quality. Sr Process Engineers often lead teams, manage projects, and work closely with other departments such as quality assurance, maintenance, and operations. Their expertise is crucial in industries like chemicals, pharmaceuticals, oil and gas, and food processing. They typically hold a degree in engineering and have several years of experience in process engineering roles.

How does a Sr Process Engineer typically collaborate with cross-functional teams to improve manufacturing efficiency?

Sr Process Engineers work closely with teams such as production, quality assurance, maintenance, and R&D to identify areas for process optimization. They often lead or participate in cross-functional meetings to gather data, analyze workflow bottlenecks, and implement solutions that enhance efficiency and product quality. Effective communication and project management skills are essential, as Sr Process Engineers must balance technical requirements with practical constraints while ensuring all stakeholders are aligned with proposed changes.

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

AspectSr Process EngineerProcess Engineer
QualificationsBachelor's degree in engineering, 5+ years experience, certifications like Six SigmaBachelor's degree in engineering or related field, 1-3 years experience
ResponsibilitiesLead process improvements, optimize manufacturing processes, mentor junior staffAssist in process development, data collection, support process optimization
Work EnvironmentManufacturing plants, industrial facilities, cross-functional teamsManufacturing settings, engineering teams, project-based tasks

The main difference between a Sr Process Engineer and a Process Engineer lies in experience, responsibility level, and scope of work. The Sr Process Engineer typically leads projects, mentors others, and has more advanced qualifications, while the Process Engineer supports and executes process improvements under supervision.

What job categories do people searching Sr Process Engineer jobs in Ontario look for? The top searched job categories for Sr Process Engineer jobs in Ontario are:
What cities in Ontario are hiring for Sr Process Engineer jobs? Cities in Ontario with the most Sr Process Engineer job openings:
Infographic showing various Sr Process Engineer job openings in Ontario as of July 2026, with employment types broken down into 1% Locum Tenens, 92% Full Time, 4% Part Time, and 3% Contract. Highlights an 86% Physical, 6% Hybrid, and 8% Remote job distribution.

Full-time

Medical, Dental, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Job description

The Eatery, 5050 Satellite Dr, Mississauga, ON L4W 5A1, Canada

Job Description

Posted Wednesday, June 17, 2026 at 4:00 AM

ERCO Worldwide has operated for over 100 years, focused largely on the production and supply of inorganic products along with technology for the production of chlorine dioxide. Today, ERCO’s major business areas include sodium chlorate, chlor‑alkali products, sodium chlorite, and chlorine dioxide technology. The ERCO business serves a number of key customer segments including pulp and paper, food, energy, agriculture, water treatment, airport de‑icing, fertilizers and specialty chemicals.

Senior Process Engineer

Employment Type: Full‑Time, Permanent

Hours: 37.5 hours per week

Travel: 10%-15%

ERCO Worldwide is looking for a Senior Process Engineer to join our Toronto team. The Senior Process Engineer will be responsible for supporting various project activities, including unit operation systems and process control, to meet project objectives. This role ensures compliance with safety standards, environmental requirements, and overall plant and customer satisfaction.

In addition, the Senior Process Engineer will provide technical guidance and mentorship to co‑op students, Engineers‑in‑Training (EITs), and junior process engineers. This individual will also be responsible for updating ERCO design standards to reflect the latest industry practices and technical knowledge.

The Role: Process Design
  • Provide process design suggestions. Scope can be varied based on projects but include heat and material balance, PFD, P&ID and interlock drawings, instrument datasheets, process equipment/instrument specification, system sizing, PHA/LOPA, operation manual, SOP, commissioning plan and performance trial.
    • 1–7 assigned projects per year (depending on assignment complexity).
    • Lead team of process engineers for the project design work, as required.
    • Provide timely technical assistance to plant/customers.
Cross‑Functional Collaboration
  • Works effectively with colleagues, plants/customers and management team.
  • Interact with plant/customers to ensure needs are met.
  • Technical knowledge sharing and guidance to process engineer team members to improve skills level within the department.
Quality Improvement Teams
  • Participate in Quality Improvement activities. Examples of these activities include improvements to the design, engineering procedure and manual, changes to work practices, new product development and manufacturing projects, reduction in cost and time to complete projects.
  • Participate in corporate technical meeting/committee.
  • Site visit for data collections, testing, trial as part of the project work.
  • Provide timely support to field installation, commissioning and start‑up of equipment and system.
Support to Project Management, Proposal and CAR Preparation
  • Coordinate all documentation, team and plant/customer communications and equipment procurement support for the project.
  • Provide timely support in managing project progress versus schedule & budget.
  • Prepare and issue the project finding/update reports.
  • Support customer proposal preparation.
  • Provide input to the project schedule, as required.
General Administration
  • Meetings, continuous learning and training (process engineering and other soft skills), document control (organizing work files as per Project Filing Structure), etc.
  • Participation in and support to departments outside of Engineering.
The Person:
  • Bachelor’s Degree in Chemical Engineering is required.
  • P. Eng is required.
  • 10+ years of experience in Process Engineering in Chemical or related industries.
  • Strong knowledge of the chemical industry, especially inorganic chemistry.
  • Experience with Process Safety Management programs and regulations.
  • Extensive experience in plant commissioning.
  • Strong technical writing and verbal communication skills.
  • Excellent interpersonal and leadership skills.
  • Excellent problem solving and time management skills.
  • Knowledge of instrumentation and control design.
The Value You Bring:
  • Strong health and safety mindset
  • Strong relationship builder – collaborative, team‑builder
  • Focused and results driven, transparent, and articulate
  • Resilient – can adapt to changing environments/technology
  • Proactive – takes initiative, creative, stays ahead of the curve, enthusiastic, inspirational
Benefits
  • Company Paid Health and Dental Benefits on Day 1
  • Health Care/Wellness Spending Account
  • Annual Short Term Incentive Bonus
  • Staff Recognition Awards
  • Tuition Reimbursement
  • Employee and Family Assistance Program
  • Paid time off
  • Company Pension Plan
  • Disability Insurance
  • Maternity/paternity/parental leave support with top up option
AI in Recruitment

ERCO Worldwide does not use AI‑enabled tools to screen, assess, rank or select candidates in our recruitment process. Our hiring teams make all hiring decisions.

Equal Employment Opportunity

ERCO Worldwide is an equal opportunity employer and is committed to recruiting, developing and maintaining a diverse workforce in compliance with all applicable Human Rights legislation. We will make every reasonable effort to accommodate for disabilities made known to us by our employees and applicants. If you require accommodation during the recruitment and selection process, please let us know and we will make every reasonable effort to meet your needs.

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