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Senior Process Jobs in Ontario (NOW HIRING)

RoleSummary The Senior Process Analyst plays a critical role in defining and modelling future-state business processes that enable successful implementation of FNZ's platform solutions forourclients.

As a Senior Mining Process Engineer, you will harness your experience in designing and optimizing control systems for mineral processing. Your work will involve hands-on programming and ...

Process Engineering Manager 12-Month Contract Hybrid GTA We are looking for a senior, hands-on Process Engineering Manager to support large-scale business and technology transformation initiatives ...

Senior Manager Cross Process Integration Position Type: Regular - Full-Time Grade: Grade 06 Requisition ID: 43341 In every role, McCainers are ambitious, curious, and passionate about creating ...

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Senior Process information

What does a senior process specialist do?

A senior process specialist analyzes, improves, and manages business processes to increase efficiency and effectiveness. They often lead process improvement projects, utilize tools like Six Sigma or Lean, and collaborate with teams to implement best practices and optimize workflows.

What is a senior process expert job description?

A senior process expert is responsible for analyzing, designing, and improving business processes to increase efficiency and effectiveness. They often lead process improvement initiatives, utilize tools like Six Sigma or Lean, and collaborate with cross-functional teams to implement best practices. Strong analytical skills, process modeling knowledge, and experience with process management software are typically required.
What are the most commonly searched types of Process jobs in Ontario? The most popular types of Process jobs in Ontario are:
What cities in Ontario are hiring for Senior Process jobs? Cities in Ontario with the most Senior Process job openings:
Infographic showing various Senior Process job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Senior Process Engineer - Hydrometallurgy

Hatch

Mississauga, ON • On-site

CA$115K - CA$165K/yr

Full-time

Re-posted 12 hours ago


Job description

Requisition ID: 99757 

Job Category: Metals 

Location: Mississauga, ON, Canada 
 

Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.

If it isn't grown, it's mined. Our mining and metals teams help our clients to safely and sustainably mine the minerals and metals used in our everyday lives. Want to play a part of innovating and optimizing the mining life cycle on greenfield and brownfield facilities? Apply today!

The hydrometallurgy team is growing! Hatch needs a Senior Process Engineer to join our Metals Business Unit in the Hydrometallurgy Practice. Become part of a global team of innovative and trusted professionals who provide process engineering input to the different sectors within a Consulting Engineering and EPCM Environment. You will be part of an engineering team providing engineering services and/or field support while developing solutions in all areas of the process plant across various systems, unit operations and process equipment. You are passionate about this field and are a subject matter expert in one or more of the following commodities: alumina, battery chemicals, copper, cobalt, nickel, lithium, phosphates, rare earths, uranium and/or precious metals. Experience with processing lithium from hard rock or clays will be highly regarded  You have demonstrated skills in:

Unit process knowhow for leaching, solvent extraction, neutralization, crystallization, IX, dewatering, filtering, electrowinning, etc.
Design, coordination and supervision of laboratory test work,
Plant audits, surveys, sampling campaigns, and circuit optimization,
Mathematical modelling and simulations
Writing technical reports and engineering documentation
Mentoring of more junior staff
 

Key Responsibilities Include:

Perform process engineering tasks on Hydrometallurgical aspects of projects, in a variety of commodities. When requested, act as Lead Process Engineer on projects or studies.
Operate with full competence and independence in the execution of all design calculations, design criteria, in the compilation and execution of equipment lists and calculations. Provide frequent training, guidance and supervision to junior colleagues.
Actively engage with clients to understand project requirements and work to define process design criteria and technology selection
Compilation of Process Flow Diagrams, along with associated mass and energy balance calculations
Undertake trade off studies to resolve options
Conduct capacity analysis for existing plants
Design of the process control logic adhering to appropriate safety standards, and documentation into Functional Descriptions
Process review of equipment bids, proposals, and other initiatives
Liaising with other discipline engineers to ensure designs conform to process requirements
 

Qualifications and Experience:

Process Engineering, Metallurgical Engineering, or Chemical Engineering degree.
Minimum 12 years extensive design, commissioning and/or operational experience of hydrometallurgical processing equipment
Experience in scoping and management of metallurgical testwork programs (benchscale, pilot scale, on-site testing)
Strong client  and business development focus.
Ability to lead processing engineering tasks on a project, within the allocated budget and schedule, including mentoring and guidance of junior colleagues

Base salary range: $115,000 to $165,000 

At Hatch, we are committed to fair and equitable compensation practices. In accordance with legislated pay transparency requirements, the expected salary range for this position is based on current market data and aligned with internal pay structures to ensure consistency and fairness.

Your individual compensation within this range will depend on factors such as skills, experience, qualifications and location. In addition to base pay, our total rewards package may include performance-based incentives, comprehensive benefits, and other programs designed to support your well-being and growth.

Why join us?

  • Work with great people to make a difference
  • Collaborate on exciting projects to develop innovative solutions
  • Top employer


What we offer you?

  • Flexible work environment
  • Long term career development
  • Think globally, work locally

Don't meet every single requirement? You don't need to. At Hatch, we are building a diverse, inclusive workplace that fosters innovation. If you're interested in this role, we encourage you to apply even if your past experiences don't perfectly align with the skills we've listed.

We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.