Ausenco is a global company redefining what’s possible. Our team is based across 22 offices in 9 countries, with projects in over 80 locations worldwide. Combining our deep technical expertise with a 30-year track record, we deliver cutting-edge, value-add consulting studies, project delivery, asset operations and maintenance solutions to the mining & metals, oil & gas, and industrial sectors.
We're looking for an experienced Principal Process Engineer to join our Toronto office. In this role, you'll be recognized as a subject matter expert, providing specialist technical expertise and guidance across a diverse portfolio of mining and mineral processing studies and projects.
You’ll work closely with clients, project teams and technical specialists across Ausenco, helping shape process solutions, solve complex engineering challenges and influence key technical decisions. From early-stage studies (PEA, PFS and FS) through to detailed engineering and project execution, you’ll play an important role in developing innovative, practical and technically sound solutions.
About the role
We're looking for an experienced Principal Process Engineer to join our Toronto office. In this role, you'll be recognized as a subject matter expert, providing specialist technical expertise and guidance across a diverse portfolio of mining and mineral processing studies and projects.
You’ll work closely with clients, project teams and technical specialists across Ausenco, helping shape process solutions, solve complex engineering challenges and influence key technical decisions. From early-stage studies (PEA, PFS and FS) through to detailed engineering and project execution, you’ll play an important role in developing innovative, practical and technically sound solutions.
About the Role




Provide specialist technical expertise and strategic guidance across mining and mineral processing studies and projects, supporting critical process design decisions and the resolution of complex engineering challenges.
Act as a trusted technical advisor to clients and project teams, providing expert guidance on process selection, design strategies, technical risks and technology applications.
Serve as a subject matter expert in your area of specialization, contributing deep technical knowledge to process evaluations, trade-off studies, technology assessments and process optimization.
Provide technical oversight and peer review of key process engineering deliverables, ensuring designs are technically sound, fit for purpose and aligned with industry standards and best practices.
Apply sound engineering judgment and critical thinking to challenge assumptions, evaluate alternatives and develop practical, innovative and cost-effective process solutions.
Work closely with Study Managers, Project Managers and multidisciplinary engineering teams to provide technical guidance and support successful project delivery.
Build strong relationships with clients, leading technical discussions, workshops and presentations, and helping influence key technical decisions.
Act as a technical mentor to engineers at all levels, sharing specialist knowledge,



developing technical capability and promoting engineering excellence across Ausenco.
Contribute specialist expertise to proposals, project scoping, technical evaluations and business development activities, helping shape solutions and build client confidence.
Collaborate with Ausenco's global Process Engineering team to share knowledge, advance technical practices and support innovation and continuous improvement.
About you
Bachelor's degree in Mineral Processing, Extractive Metallurgy, Chemical Engineering or a related engineering discipline.
Minimum 15 years of relevant experience in mineral processing engineering, including front-end studies, basic engineering and detailed design.
Professional Engineer (P. Eng.) designation in Ontario, or registration in another Canadian province with the ability to obtain Ontario licensure.
Recognized as a subject matter expert in one or more mineral processing technologies, with a proven track record of solving complex technical challenges and providing specialist advice to project teams and clients.
Deep technical expertise in one or more areas such as comminution, flotation, pyrometallurgy, hydrometallurgy, ion exchange (IX), solvent extraction (SX), or solid-liquid separation and filtration.
Experience working with mineral commodities such as critical minerals, precious metals, base metals or battery metals.
Extensive experience supporting multidisciplinary mining and mineral processing studies and projects, ideally within an engineering consulting environment.
Exceptional technical judgment, critical thinking and problem-solving skills, with the ability to evaluate complex challenges, challenge conventional approaches and develop practical engineering solutions.
Strong client-facing and communication

📌 Principal process engineer (Toronto)
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📍 Toronto