Principal Process Engineer - Smelting and Refinery (Markham)

Principal Process Engineer - Smelting and Refinery (MAR00W3) – Management Level: Individual Contributor Building on our past. Ready for the future Worley is a global qualified services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We’re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now. Purpose We are currently recruiting for a Principal Process Engineer – Smelting & Refining. Our team includes world class experts and dynamic go-getters. This is a full‑time position based in either Oakville, Markham or Sudbury, Ontario. The Principal Process Engineer – Smelting & Refining serves as a senior technical leader and strategic advisor for complex base metals projects within Worley’s Mining, Minerals & Metals business. This role guides process design strategies, mentors teams, supports business development, and delivers innovative solutions that advance sustainability, safety, and digital transformation across the asset lifecycle. Responsibilities Provide technical leadership and governance for high temperature processing projects across copper, nickel, zinc, lead, and other base metals, from concept through to detailed design, execution and operations support. Lead and review Concept Studies, Pre‑Feasibility Studies (PFS), Feasibility Studies (FS), and technical due diligence, including signing off as a Qualified Person (QP) where applicable. Direct process development activities, including design basis, process design criteria, mass and energy balances, process and utility flow diagrams, P&IDs;, equipment specifications, control philosophies, and functional descriptions. Apply advanced process modelling and simulation tools (., METSIM or equivalent) to support design optimization, debottlenecking, trade‑off studies, and asset performance improvement. Lead or support plant audits, operational troubleshooting, and asset optimization programs to enhance safety, reliability, throughput, and sustainability performance. Collaborate across multidisciplinary teams to deliver integrated solutions across the MMM value chain. Contribute to innovation by integrating digital tools, data‑driven insights, and decarbonization strategies into process design and operational solutions. Support project cost estimation activities, including OPEX, CAPEX, and cash‑flow modelling inputs. Act as a senior technical advisor to clients and support long‑term account development. Contribute to business development through proposal support and a seller‑doer mindset. Mentor and develop engineers and technical specialists. What you will bring Technical and Industry Experience Strong background in process optimization, debottlenecking, and operational troubleshooting. Proven experience delivering and governing studies, projects, and operational support engagements. Recognized industry expertise in smelting and refining process engineering for base metals. Experience performing technical due diligence and peer reviews. Demonstrated ability to lead multidisciplinary teams. Strong client engagement skills. Education – Qualifications, Accreditation, Training Required Bachelor’s degree in Chemical Engineering, Metallurgy, or related discipline. Senior‑level experience in smelting and refining projects. Operational or plant support experience preferred. Registered Professional Engineer ( in Canada or eligible. Proficiency with process simulation tools (., METSIM). #J-18808-Ljbffr Apply on Kit Job: kitjob.ca/job/2og1u5