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Senior Process Engineer Jobs in Ontario (NOW HIRING)

Process Engineer - Toronto

Toronto, ON ยท Hybrid

CA$90K - CA$125K/yr

Description & Requirements Process Engineer Location: Toronto, ON Type: Permanent Full-time Salary: $90,000 - $125,000 CAD Primero America's team is currently looking for a Process Engineer. This is ...

... process efficiency and effectiveness. The incumbent is responsible for driving continuous improvement through the application of methodologies, QIS improvement principles, technical and engineering ...

Summary As a Process Engineer, you will work with the Engineering team on projects within a fast-paced manufacturing environment. These responsibilities are to be carried out in a manner which ...

LAPORTE is seeking a Food Process Engineer with 6 to 10 years of experience in process design for the food, beverage, or biotech industry to join our team in Toronto, Ontario. Our Food Process ...

SMT Process Engineer The SMT Process Engineer supports a growing high-reliability electronics manufacturing operation by overseeing SMT processes, equipment, and quality standards. This role combines ...

Process Engineer/Metallurgist

Foleyet, ON ยท On-site

CA$80K - CA$115K/yr

The Process Engineer is responsible for optimizing and improving the performance of the talc grinding and flotation circuits to ensure efficient, safe, and consistent production. The role involves ...

Step Into a Technical Leadership Role Driving Biotech Innovation Process Engineer III - Tech Transfer Lead (Drug Substance Biotech) Imagine being the person who bridges scientific innovation and ...

Process Engineer/Metallurgist

Foleyet, ON ยท On-site

CA$80K - CA$115K/yr

The Process Engineer is responsible for optimizing and improving the performance of the talc grinding and flotation circuits to ensure efficient, safe, and consistent production. The role involves ...

Mining Process Engineer

London, ON ยท Hybrid

CA$115K - CA$135K/yr

The Mining Process Engineer designs and builds intelligent control systems that transform plant performance at mining and mineral processing operations. Working across the full control stack, from ...

Process experience in either an engineering contracting environment or consultancy organisations in the metallurgical industry. Experience in the design and operation of hydrometallurgy and ...

Process experience in either an engineering contracting environment or consultancy organisations in the metallurgical industry. Experience in the design and operation of hydrometallurgy and ...

... Process experience in either an engineering contracting environment or consultancy organisations in the metallurgical industry. Experience in the design and operation of hydrometallurgy and ...

... Process experience in either an engineering contracting environment or consultancy organisations in the metallurgical industry. Experience in the design and operation of hydrometallurgy and ...

We are seeking a Lead Process Engineer with strong technical expertise in design of process systems, preferably for thermal power plant and a work experience of 10 - 16 years. Your role * Design and ...

Process Engineer - Machining Process Solution The Walter Group For more than 100 years, Walter has stood for expertise and quality in machining technology. The company was founded in 1919 by Richard ...

Showing results 41-60

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 Aug 22, 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 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 the key skills and qualifications needed to thrive as a senior process engineer?

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 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 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.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

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:

Infographic showing various Senior Process Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 23% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $108,691 per year, or $52.3 per hour.

Process Engineer - Toronto

Primero

Toronto, ON โ€ข Hybrid

CA$90K - CA$125K/yr

Full-time

Retirement

Re-posted 7 days ago


Job description

Description & Requirements

Process Engineer

Location: Toronto, ONย 

Type: Permanent Full-time

Salary: $90,000 - $125,000 CAD

Primero America's team is currently looking for a Process Engineer.ย  ย  ย  ย 
This is a unique opportunity to join our talented team and be part of Primero's growth and success. Primero is an Australian-founded company, established in 2011 and rapidly growing in Montreal since 2016. We expanded into Houston in 2022, Toronto in 2023, and Salt Lake City in 2026, strengthening our North American presence. We specialize in the design, procurement, and construction management of mineral processing plants. ย 

As a Process Engineer, you will be responsible for process engineering calculations, mass balances, establishing design criteria, development of flowsheets and P&IDs. You will help with process design and other deliverables required by our clients by providing sound knowledge and understanding of the work methods and techniques applied in the design of processing facilities, outputs for studies and coordination with other disciplines. You will also help with the development and implementation of the metallurgical functions for Primero Americas. ย This position is reporting to the Process Engineering Manager.

Key Responsibilities:

  • Develop process flow diagrams, P&IDs, design criteria, and technical specifications
  • Support equipment selection and process planning
  • Provide strategic guidance to engineering teams and ensure alignment with project objectives
  • Propose metallurgical solutions and plan process modifications
  • Participate in test work management, client requirement analysis, and plant performance follow-up
  • Contribute to internal policy reviews and ensure timely delivery of high-quality deliverables

What We're Looking For:ย 

  • Process/Chemical/Metallurgical Engineering Degree
  • Registered (or candidate for) P. Eng license
  • 4 to 8 years' experience in engineering, operation and/or commissioning works
  • Experience in the mineral processing, metal refining, or related industries;
  • High level of analytical ability used to solve complex problems;
  • Strong analytical skills and attention to detail
  • Effective collaboration with internal teams
  • Solid understanding of HSE principles and applicable codes
  • Flexibility and resourcefulness to manage workload fluctuations
  • Proficient in reading specs, schematics, and engineering drawings
  • Excellent communication skills
  • Committed to delivering quality work on schedule and providing support as needed

Position details:

  • 40 hours per week
  • Applicants must have legal authorization to work in Canada
  • Competitive salary tailored to your skills and experience
  • Full insurance coverage paid by Primero from day one
  • Retirement plan with up to 5% employer matching
  • Up to 10 Paid sick days per year
  • Casual dress code
  • Coffee and tea available daily to keep you energized
  • Flexible, possibility of hybrid work schedule
  • Friendly, casual work atmosphere

Are you looking for a hands-on role in a fast-paced company that's shaping the future of project delivery in mining and processing?

Send your application to:ย HR@primero.caย