Principal Mechanical Lead Engineer

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions. Purpose: We are currently recruiting for a Principal Mechanical Lead Engineer (MMM). Our team includes world class experts and dynamic go-getters. This is a full-time position based in Oakville, Ontario Worley is seeking a Principal Mechanical Engineer (Lead) based in Oakville, Ontario. This role provides mechanical engineering leadership for the design and delivery of process and utility equipment across MMM (Mining, Minerals and Metals) projects. The successful candidate will lead a multidisciplinary engineering team; direct the development and review of specifications, design calculations, and drawings; support procurement and construction activities; and ensure deliverables meet applicable codes, standards, and regulatory requirements. Reporting to the Mechanical and Piping Engineering Department Manager (Canada East), this role partners closely with project teams, customers, and suppliers to enable safe, compliant, high-quality outcomes. The ideal candidate is self-directed, collaborative, and results-oriented, with strong leadership, stakeholder engagement, and communication capabilities, and a demonstrated ability to solve complex engineering challenges in regulated environments.

Provide mechanical engineering leadership from concept through commissioning, including equipment selection, system integration, and overall technical direction. Lead the mechanical engineering project team in development, review, and approval of specifications, design calculations, and drawings for various mechanical equipment. Ensure engineering deliverables comply with applicable regulatory requirements, industry standards, and Worley’s HSE and quality expectations. Deliver mechanical engineering services that meet Worley, customer, and statutory requirements, aligned to project schedules and budgets. Contribute to studies and project execution activities, including estimates, schedules, and technical inputs. Support procurement activities by developing RFQs, leading technical bid evaluations, and providing recommendations for vendor selection. Review and approve vendor drawings, calculations, shop drawings, and technical data to confirm alignment with project specifications and quality requirements. Partner with suppliers and internal stakeholders throughout procurement and vendor document cycles to enable timely delivery. Maintain working knowledge of relevant codes, standards, and best practices; apply them consistently across deliverables. Identify, communicate, and support the management of changes to study and project scope. Stay current on emerging technologies and engineering practices to support continuous improvement and innovation. Provide professional engineering sign-off (stamp) on deliverables, where required and authorized. Coordinate and support design registration submissions with applicable authorities having jurisdiction (e.g., TSSA in Ontario), as required. Coach and mentor junior engineers and designers, providing technical guidance and quality oversight. Represent the mechanical discipline in client engagements, regulatory interactions, and quality assurance activities. Lead or participate in risk assessments, design reviews, and constructability evaluations to support safe and efficient execution. Collaborate with cross-functional project teams across multiple Worley offices and time zones to deliver project outcomes; flexibility to support schedule demands