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Senior Mechanical Engineer (Plant Design)

WSP -
Mississauga, ON

Apply Now

Job details

$112,100–$162,800 a year

Qualifications

Engineering
Mechanical Engineering
Bachelor's

Full job description

What if you could redefine what's possible?

With us, you can.
You want Purpose. Growth. Opportunity. People who get it.
We are the home of ambitious, passionate, and innovative world shapers.
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
We are pathfinders and impact makers.
We are Visioneers.
We are WSP.

The Opportunity

Build the future with us.
As a Senior Mechanical Engineer within our Mine Process & Mine Infrastructure group, you will shape the systems and infrastructure that power Canada’s most complex industrial and mining environments. From optimizing process plant layouts to advancing mechanical excellence on major brownfield and greenfield programs, your expertise will directly influence safe, sustainable, and high‑performing operations across Canada and internationally.

#GlobalMining

Your Impact

Lead mechanical engineering for industrial and mining plant facilities, including material handling systems, pumping systems, piping networks, and equipment layouts.
Deliver and review high‑quality engineering outputs—calculations, specifications, datasheets, technical reports, and drawing packages.
Steward technical integration across process, structural, electrical, and civil discipline teams to ensure cohesive project execution.
Mentor and guide intermediate and junior engineers and designers, fostering technical growth and excellence.
Partner with clients, vendors, and contractors to support equipment selection, procurement, constructability planning, and commissioning success.
Conduct and participate in design reviews, HAZOPs, field engineering assessments, and constructability evaluations.
Champion compliance with industry codes, standards, and WSP quality systems.
Contribute to proposal development, scope definition, and identification of engineering risks and opportunities.

The Skills That Set You Apart

Bachelor’s degree in Mechanical Engineering and active P.Eng. (or eligibility).
10–15 years of progressive experience with a strong focus on industrial or mining plant design.
Expertise in process plants, mine infrastructure, material handling systems, plant layouts, and rotating/static equipment.
Experience working within both brownfield and greenfield environments.
Proven ability to lead mechanical design independently while providing technical leadership in multidisciplinary teams.
Comfort working closely with clients in dynamic, fast‑paced project environments.

Why Choose WSP?

We exist to shape communities to advance humanity. The brightest engineers, advisors and scientists from across the globe call WSP home.

Proudly Canadian – we are a Top 100 Employer in Canada for 2026.
A global community of brilliant minds – your next idea, mentor, or opportunity is always within reach.
Limitless opportunities start here . Whether it’s across the country or around the globe, we help you tailor your role to match your ambition — because your growth drives ours.
Flexible work, real balance – we recognize the importance of balance in our lives and encourage you to prioritize the balance in yours.

#WeAreWSP

Compensation

AB, BC, NT, NU, SK & YT: $122,900 – $162,800
MB & ON: $112,100 – $154,400
NB, NL, NS, PEI & QC: $111,000 – $147,400

Disclosure:
The final salary awarded for this role may vary from the above range based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. The wage range provided in this job posting may be subject to change for business purposes.

Ready to Shape the Future?

Take the next step and bring your expertise to projects that matter. Join a global community of visioneers creating lasting impact across mining, industry, and infrastructure.
Apply today and help redefine what’s possible.

At WSP , we exist to shape communities to advance humanity.

It’s why we bring people together who are wired to solve complex challenges - engineers, scientists, advisors, and technical experts who are driven by a common passion - to redefine what’s possible and shape what comes next. We are Visioneers.

As one of the world’s leading professional services firms, we partner with clients across transportation, infrastructure, environment, buildings, energy, water, mining and metals. We pair deep local knowledge with global insights to pioneer solutions designed to leave a lasting, positive impact.

At WSP , you’ll join a community of brilliant minds that push boundaries every day - applying deep expertise and fuelling innovation to help create a more connected and resilient future. Here, your ideas are valued, your growth is supported, and you are encouraged to bring your authentic self to work. We empower our people to collaborate across disciplines, challenge the status quo, and shape a career with purpose.

Join us.

Please Note:

Health and Safety is a core paramount value of WSP. Given the importance of keeping one another safe it is expected that you comply with our Health, Safety & Environment (HSE) policy at all times as well as client HSE policies when working at client locations. Full details here .

Some safety-sensitive positions involve fieldwork and may include work in a variety of environmental conditions, such as remote or isolated areas, working alone, and in inclement weather (within safe and reasonable limits).

WSP welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

WSP is committed to the principles of employment equity. Only the candidates selected will be contacted.

WSP does not accept unsolicited resumes from agencies. Full details here .

Apply Now

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