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Worley

Principal Mechanical Engineer

Oakville, ON, Canada

For applicants based in the province of Ontario, the salary range is $149294 to $175641 CAD. · Full-time

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Job details

Pay: For applicants based in the province of Ontario, the salary range is $149294 to $175641 CAD.
Job type: Full-time
Experience: Bachelor’s degree in Mechanical Engineering with 15+ years of relevant experience.
Posting language: English
Posted: Oct 9, 2026

Original job description

About us

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.

Responsibilities:

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 may be required.
Conduct site visits and field walkdowns in operating facilities and construction environments to support project execution; this may include short-duration land or air travel for coordination and inspections.is position may be required to work from the Worley Oakville office as needed.

What you will bring:Technical and Industry Experience:

Proven experience leading mechanical engineering teams on brownfield and greenfield projects within the MMM (Mining, Minerals and Metals) sector.
Strong experience with minerals and metals wet and dry processes and associated services.
Expertise in developing and reviewing technical specifications for minerals and metals process equipment.
Familiarity with applicable standards for a wide range of mechanical equipment.
Strong organizational skills with the ability to prioritize competing demands and deliver to tight deadlines.
Ability to work effectively with other disciplines; understand engineering sequencing and workflows; and support customer design reviews.
Demonstrated leadership, communication, and sound judgment, with the ability to influence outcomes in regulated, safety-critical environments.
Commitment to safety, quality, and continuous improvement, with a customer-focused approach to delivery.
Candidates must be eligible to work in Canada.

Education – Qualifications, Accreditation, Training:

Required:

Bachelor’s degree in Mechanical Engineering with 15+ years of relevant experience.
Registered with Professional Engineers Ontario (PEO) as a Professional Engineer (P.Eng.).

For applicants based in the province of Ontario, the salary range is $149294 to $175641 CAD.
Application of the pay band: Variation in salary is determined by factors such as the candidate’s qualifications, relevant years of experience, geographic location, internal pay equity, and prevailing market conditions for the specific role.

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.

And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.

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More about this job

Responsibilities

The Principal Mechanical Engineer will lead a multidisciplinary team in the design and delivery of process and utility equipment for mining, minerals, and metals projects. Responsibilities include overseeing technical specifications, managing procurement activities, ensuring regulatory compliance, and providing mentorship to junior staff.

Requirements

Candidates must hold a Bachelor's degree in Mechanical Engineering and possess over 15 years of relevant experience in the MMM sector. Professional Engineer (P.Eng.) registration with Professional Engineers Ontario is required.

Skills

Mechanical Engineering
Project Leadership
Mining Minerals and Metals
Process Equipment Design
Technical Specifications
Procurement Support
Regulatory Compliance
Engineering Design
Vendor Management
Quality Assurance
Mentoring
Risk Assessment
Constructability Evaluation
Stakeholder Engagement
Engineering Calculations

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
Mining
Minerals
Metals
Process Equipment
Utility Equipment
Procurement
Construction
Regulatory Requirements
TSSA
Design Calculations
Shop Drawings
Vendor Selection
Brownfield
Greenfield
HSE
Quality Assurance
Engineering Leadership
Project Execution
Technical Bid Evaluation
Commissioning
System Integration
Professional Engineer
PEO
Sustainability
Innovation
Risk Assessment
Constructability
Field Walkdowns
Engineering Standards

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