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Senior Chemical Process Engineer Jobs in Ontario

Senior Process Engineer Location: Cambridge, Ontario (On-site) Type: Full Time, Permanent Shift ... Chemical Engineering * Hands-on experience commissioning capital equipment or standing up new ...

Senior Process Engineer Location: Cambridge, Ontario (On-site) Type: Full Time, Permanent Shift ... Chemical Engineering * Hands-on experience commissioning capital equipment or standing up new ...

Process Engineer

Scarborough, ON · On-site

CA$110K - CA$140K/yr

... senior-level expertise expected to provide greater technical leadership, project oversight ... Bachelor's or Master's degree in Chemical Engineering, Mechanical Engineering, or a related ...

The Senior Process Engineer will be part of an engineering team providing engineering services and ... Chemical Engineering, Metallurgical Engineering or Mineral Processing degree. Minimum of 10 years ...

The Senior Process Engineer will be part of an engineering team providing engineering services and ... Chemical Engineering, Metallurgical Engineering or Mineral Processing degree. • Minimum of 10 ...

The Senior Process Engineer will be part of an engineering team providing engineering services and ... Chemical Engineering, Metallurgical Engineering or Mineral Processing degree. • Minimum of 10 ...

Role reports to: Sr. Business Unit Manager, Processing Location: North America, Canada, Ontario ... Bachelor's degree in Chemical Engineering, Mechanical Engineering, or a related engineering ...

Process Engineer

Guelph, ON

CA$61K - CA$97K/yr

Role reports to: Sr. Business Unit Manager, Processing Location: North America, Canada, Ontario ... Bachelor's degree in Chemical Engineering, Mechanical Engineering, or a related engineering ...

Role reports to: Sr. Business Unit Manager, Processing Location: North America, Canada, Ontario ... Bachelor's degree in Chemical Engineering, Mechanical Engineering, or a related engineering ...

Process Engineer

Elmira, ON · On-site

CA$90K - CA$100K/yr

You are a Chemical Process Engineer looking for your next challenge, with an organization offering a great corporate culture and opportunity for you to learn and grow. You use your technical ...

Process Engineer

Breslau, ON · On-site

CA$61K - CA$97K/yr

Role reports to: Sr. Business Unit Manager, Processing Location: North America, Canada, Ontario ... Bachelor's degree in Chemical Engineering, Mechanical Engineering, or a related engineering ...

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 ...

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Showing results 1-20

Senior Chemical Process Engineer information

See Ontario salary details

$62.5K

$117.4K

$172.5K

How much do senior chemical process engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for senior chemical process engineer in Ontario is $117,372.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,000.00 and $135,000.00 per year, depending on experience, location, and employer.

What is a senior chemical process engineer?

Senior Chemical Process Engineers are experienced professionals who design, develop, and optimize chemical processes used in manufacturing. They lead projects, oversee process safety and efficiency, and mentor junior engineers. Their work ensures that industrial chemical operations are cost-effective, environmentally friendly, and comply with regulations. Senior Chemical Process Engineers often collaborate with multidisciplinary teams and play a key role in troubleshooting and continuous improvement initiatives.

How do senior chemical process engineers typically collaborate with cross-functional teams during large-scale projects?

Senior Chemical Process Engineers frequently work alongside professionals from disciplines like mechanical engineering, instrumentation, safety, and project management. They play a key role in translating process requirements into actionable engineering solutions and ensure process integration aligns with overall project goals. Regular meetings, detailed documentation, and clear communication are essential, as these engineers often lead technical discussions, resolve interdisciplinary challenges, and coordinate between design, operations, and quality assurance teams to drive projects forward efficiently.

What are the key skills and qualifications needed to thrive as a senior chemical process engineer, and why are they important?

To thrive as a Senior Chemical Process Engineer, you need a strong background in chemical engineering principles, process design, and problem-solving, typically supported by a bachelor's or master's degree in chemical engineering. Familiarity with process simulation software (such as Aspen Plus or HYSYS), plant safety standards, and relevant certifications (like Professional Engineer licensure) is highly valuable. Strong analytical thinking, leadership, and effective communication skills help drive project success and lead cross-functional teams. These skills and qualities are crucial for optimizing manufacturing processes, ensuring safety, and delivering cost-effective solutions in complex industrial environments.

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

AspectSenior Chemical Process EngineerChemical Process Engineer
Required CredentialsBachelor's or Master's in Chemical Engineering; 5+ years experienceBachelor's in Chemical Engineering; entry to 2 years experience
Work EnvironmentDesign, optimization, and supervision in manufacturing or R&D facilitiesAssist in process design, testing, and operation in manufacturing plants
Employer & Industry UsageManufacturing, oil & gas, pharmaceuticals, chemicalsSimilar industries, often as entry-level or mid-level roles

The main difference between a Senior Chemical Process Engineer and a Chemical Process Engineer lies in experience, responsibilities, and seniority. Senior engineers typically lead projects, oversee teams, and have more advanced expertise, while chemical process engineers focus on supporting process design and operation. Both roles are essential in chemical manufacturing and related industries, but senior positions require more experience and leadership responsibilities.

What are the most commonly searched types of Chemical Process Engineer jobs in Ontario?

The most popular types of Chemical Process Engineer jobs in Ontario are:

What are popular job titles related to Senior Chemical Process Engineer jobs in Ontario?

For Senior Chemical Process Engineer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Chemical Process Engineer jobs in Ontario look for?

The top searched job categories for Senior Chemical Process Engineer jobs in Ontario are:

What cities in Ontario are hiring for Senior Chemical Process Engineer jobs?

Cities in Ontario with the most Senior Chemical Process Engineer job openings:

What are popular job titles related to Senior Chemical Process Engineer jobs in ON?

For Senior Chemical Process Engineer jobs in ON, the most frequently searched job titles are:

Infographic showing various Senior Chemical Process Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 22% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $117,372 per year, or $56.4 per hour.

Chemical Process Research Scientist

Canadian Nuclear Laboratories LTD

Chalk River, ON • On-site

Full-time

Retirement, PTO

Re-posted 21 days ago


Job description

Can you see yourself pushing the boundaries of clean-energy innovation and watching your work make a real-world impact? Do you love diving into advanced research, developing new process designs, and contributing to breakthroughs in heavy-water production, tritium processing, and fusion-energy technologies?

Do you want to be part of a team of experts whose work supports national programs and fuels emerging commercial ventures?

If you're nodding yes, then this is your opportunity to help shape the next generation of nuclear and fusion technologies in Canada! Apply today!


What will you be doing!

  • Ensuring the safe execution of all activities within your area of responsibility.
  • Aligning project priorities with Directorate objectives and the overall Science & Technology value proposition.
  • Leading and collaborating with a multi-disciplinary team of scientists, engineers, and technologists to achieve project goals.
  • Driving project progress by delivering technical milestones and meeting project commitments.
  • Supervising and mentoring staff contributing to your projects.
  • Developing and submitting proposals to secure funding for CNL research programs and commercial opportunities.
  • Other duties as assigned by your manager.

What we are looking for:

  • Education
    • At minimum, a Master's Degree in Engineering or Science from a university of recognized standing or membership in an engineering or scientific professional organization authorized by statute to establish qualification for membership in that organization
    • A PhD in Chemical Engineering, Mechanical Engineering, Engineering Physics, Chemistry or Physics is preferred.
  • Experience
    • A minimum of 3-5 years of experience in applied research is required.
    • Experience in an industrial or institutional setting is preferred.
    • Postdoctoral or work experience in related field(s) is an asset.
    • Experience with the operation of large-scale or laboratory-scale chemistry/chemical engineering test loops would be an asset.
    • Chemical process engineering experience is essential.
    • Experience in process simulation using commercial software is an asset.
  • Knowledge, Skills & Abilities
    • Proficiency in fundamentals of science & engineering - chemical process systems, chemical thermodynamics, fluid mechanics and mass/heat transfer, nuclear fundamentals
    • Proficiency in MS Office suite is required.
    • Knowledge of safety procedures in laboratory operations is essential.
    • Knowledge of QA, licence and design code requirements for projects is an asset.
  • Security Clearance Eligibility Required
    • Reliability Status with Site Access Security Clearance (SASC), which has a minimum requirement of 3-5 years of verifiable history in Canada, Australia, New Zealand, the United States and/or the United Kingdom. CNL implements security screening in accordance with the Treasury Board of Canada Secretariat's "Standard on Security Screening" and the "Policy on Government Security."

Working Conditions:

  • Project deadlines and spontaneous demands that require the incumbent to work beyond the typical workday occur regularly.
  • Visual concentration is required for reviewing reports, analyzing information, developing budgets, etc.

Why CNL?

Does the idea of working with a dynamic team across Canada to advance nuclear science and technology for a clean and secure world excite you? At CNL, we're reinventing ourselves to be industry leaders-pioneering solutions to the problems that matter most.

From building the next generation of clean nuclear and hydrogen energy technologies, to developing targeted cancer treatments, to continuing our global leadership in environmental remediation-we are driven by impact, innovation, and purpose.

What We Offer: A Total Rewards Package

We believe in taking care of our people. Here's what you can expect as part of our team:

  • Paid time off: vacation, sick, personal, and floater days
  • Benefits effective Day One - no waiting period
  • Tuition support to help you keep learning and growing
  • A defined-benefit pension plan or a defined-contribution pension plan, depending on your employee group, to support your longterm financial security

Do Our Priorities Resonate with You?

  • Delivering clean energy for today and tomorrow
  • Restoring and protecting the environment
  • Contributing to the health of Canadians

If so, you'll feel right at home at CNL!


Location: Fully Onsite

This role is a fully onsite role that requires the employee to primarily work at CNL's Chalk River Laboratory site, with only occasional opportunities to work remotely, if desired by the employee. Located in the heart of the Ottawa Valley, our Chalk River site offers a beautiful natural setting with forests, lakes, and wildlife, right at your doorstep. Surrounded by welcoming communities such as Deep River, Petawawa, and Pembroke, you'll have access to unparalleled outdoor adventures and a fantastic work-life balance.

Please note: This is a fully on-site position based at our Chalk River Laboratory in Ontario.

Our Commitment to Equity, Diversity & Inclusion

At CNL, we are committed to fostering an environment that promotes equity, diversity, and inclusion. We celebrate and welcome employees, stakeholders, and partners of all backgrounds and identities. Click here to read all about it!

We are proud to uphold a workplace culture grounded in our Core Values:

  • Respect
  • Teamwork
  • Accountability
  • Safety
  • Integrity
  • Excellence

These values drive our employment practices and ensure meaningful career development opportunities and accommodations for all employees.

CNL is an equal opportunity employer. If you require accommodation during any phase of the hiring process, please let us know via jobs@cnl.ca. All requests will be handled with confidentiality.

CNL operates on sites located on the traditional lands, waterways and ceded and unceded territories of Indigenous peoples. CNL recognizes and affirms all First Nations, Metis communities and Inuit in this land we now know as Canada. We acknowledge, respect and seek to better understand Indigenous history, rights and title on the lands where we work and develop projects. We honour and respect the importance of the relationship between Indigenous peoples and their lands, waters and territories.

Employment Type: Full-Time