Principal Mechanical Designer

WorleyParsons; Oakville; On-site; CAD 117,000 - 138,000; Full time

Job summary

Worley is seeking a Principal Mechanical Designer in Oakville, Ontario, to lead 3D and 2D design for MMM execution projects and studies.

You will develop general arrangement drawings for process plants and site facilities, support layout design, and manage material handling drawings. The role requires PDMS/E3D proficiency, ability to visit sites, and coordination across disciplines.

Qualifications

• Proficiency in PDMS/E3D design tools.
• Ability to interpret complex project specifications.
• Comfort with site visits and fieldwork.

Responsibilities

• Prepare 3D and 2D layouts for MMM projects.
• Develop general arrangement drawings for plants and facilities.
• Produce standard equipment drawings supporting layouts and design.
• Coordinate 3D model reviews with internal and client teams.
• Lead design tasks and monitor schedule/budget status.
• Train less experienced design personnel.

Skills

Interpersonal communication

Site visits

Independent work

Education

Technical school diploma

Tools

PDMS

E3D

Job description

Job Description - Principal Mechanical Designer (OAK002H)

Principal Mechanical Designer - OAK002H

Company : Worley

Job

Mechanical

Schedule

Full-time

Employment Type : Employee

Job Posting

Sep 30, 2026

Unposting Date

Oct 15, 2026

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 Designer. Our team includes world class experts and dynamic go-getters. This is a full-time position based in Oakville, Ontario. This is full-time office position for our Mining, Minerals & Metals Canadian offices.

Responsibilities:

Preparation of 3D and 2D layouts for MMM execution projects and studies.

Developing of general arrangement drawings for the process plants and site facilities.

Developing of standard equipment drawings for the supporting the layouts and the design.

Developing of material handling drawings.

Planning and scheduling of design tasks associated with assigned project or area.

Fully understanding the project scope of work and identifying potential changes utilizing the project change control process.

Understanding of construction work packaging requirements and organizing construction documentation to support construction and commissioning.

Advising the Discipline Lead and Project Manager about status of assignment(s) with respect to schedule, budgets, delays, and adverse problems.

Full understanding of the use of requisitions and the role of materials management and support of technical requirements for purchase orders and subcontracts.

Maintaining the 3D model environment.

Facilitating and navigating 3D model reviews, both internal and client.

Coordinating work between various disciplines and interdisciplinary checking.

Checking work of, and assist in training of less experienced design personnel.

What you will bring:

Technical and Industry Experience:

• Needs to be fluent in all design tools such as Aveva PDMS/E3D.
• Experience in the mining and minerals environment or an equivalent combination of education, training, and experience.
• This position involves the design and drafting of 3D CAD based equipment and utilizing laser scans.
• As required, you might be asked to join site visits.

Other requirements:

• Must have excellent interpersonal communication skills; maintain good interaction between clients and team members.
• Able to visit sites and have brownfields site experience.
• Able to work 40 hours per week, overtime as required up to 50 hours per week.
• Able to provide full lead coverage when lead is on vacation.
• Must demonstrate an excellent safety-oriented mindset.
• Must have a proven safety record.

Education – Qualifications, Accreditation, Training:

Required:

• Technical school graduate with specific discipline training.
• Must have valid driving license.
• Proficiency in PDMS/E3D.
• Demonstrated proficiency in the use of Microsoft Office, Word, Excel and Outlook.
• Able to work independently.

For applicants based in the province of Ontario, the salary range is $117,161 to $137,836 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.

Please note: No agency representation or submissions will be recognized for this vacancy.

Worley is committed to providing a fair and equitable hiring process for all applicants. As part of this commitment, Worley will ensure that persons with disabilities are provided reasonable accommodations for the hiring process. If you require any accommodations or assistance, please contact us at: [e-mail]

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.