Senior Mechanical Engineer (Plant Design), Mississauga

Opportunity 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.

Responsibilities

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.

Qualifications

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.

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.

Health&Safety 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 ( 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).

Equal Opportunity 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 (