Thornhill, On Senior building mechanical engineer (water/wastewater) Jobs – 11 Openings This Week

Senior Structural Engineer, Water, Wastewater and Solid Waste
WSP —Thornhill, ON
- $103,500–$151,800 a year
- PMP
- Engineering
- Master's degree
Senior Mechanical Engineering
AECOM —Thornhill, ON
- $130,000–$175,000 a year
- Full-time
- Hybrid work
- Engineering
- Presentation skills
- Bachelor's
- Employee stock purchase plan
- Dental care
Conveyance/Municipal Senior Project Manager
AECOM —Markham, ON
- $160,000–$190,000 a year
- Full-time
- Hybrid work
- Engineering
- Analysis skills
- Project management
- Employee stock purchase plan
- Dental care
Team Leader, Building Mechanical
WSP —Thornhill, ON
- $112,100–$162,800 a year
- Engineering
- Project management
- Bachelor's
8h
Junior CAD/BIM Technician
ETO Engineering —Richmond Hill, ON
- $50,000–$65,000 a year
- Full-time
- AutoCAD
- Engineering
- Microsoft Office
- Mileage reimbursement
- Dental care
Quick apply
Engineering Designer, I&C
R.V. Anderson Associates Limited —Toronto, ON
- $70,000–$110,000 a year
- Full-time
- Hybrid work
- AutoCAD
- Schematics
- Engineering
- Dental care
- Paid time off
Quick apply
Team Lead - Building Mechanical Engineer (Water)
Jacobs —Toronto, ON
- $134,000–$174,000 a year
- Hybrid work
- Engineering
- Analysis skills
- Bachelor's
Sr. Process Engineer - Canadian Centre of Excellence
ASR Group —Toronto, ON
- Engineering
- English
- Bachelor's
Intermediate/Senior Structural Design Engineer
Arcadis —Toronto, ON
- $91,000–$120,000 a year
- CAD
- Engineering
- English
Structural Engineer - Brampton, ON
Victaulic —Brampton, ON
- $80,000–$110,000 a year
- Full-time
- Engineering
- Bachelor's
- Travel

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Senior Structural Engineer, Water, Wastewater and Solid Waste
WSP —Thornhill, ON
Provide support to project management, design management, and business development pursuits. Bachelor’s degree in Civil Engineering or equivalent, with 10+…
$103,500–$151,800 a year
Conveyance/Municipal Senior Project Manager
AECOM —Markham, ON
This role requires strong project leadership, organization, coordination and collaboration skills, technical understanding of water/wastewater systems, and the…
$160,000–$190,000 a year

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Senior Structural Engineer, Water, Wastewater and Solid Waste

WSP -
Thornhill, ON

Apply Now

Job details

$103,500–$151,800 a year

Qualifications

PMP
Engineering
Construction
Master's degree
Revit
Schedule management
Bachelor's
Construction experience
Civil Engineering
Mechanical knowledge
Structural Engineering

Full job description

What if you could redefine what’s possible? With us, you can.

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

Step into a senior technical leadership role where your structural expertise helps shape essential water and wastewater infrastructure across Canada. Based in our Thornhill office, this opportunity allows you to lead complex designs, mentor the next generation of engineers, and contribute to projects that protect communities and the environment.

Your Impact

Lead structural engineering analysis and design for water and wastewater treatment plants, pumping stations, reservoirs, underground liquid‑retaining structures, solid waste transfer stations, and waste landfills.
Deliver complete structural designs for single buildings or multi‑facility infrastructure sites using industry‑standard software and engineering judgment.
Translate analytical results into clear markups and technical direction for BIM modellers and drafters.
Support project delivery through specifications development, cost estimates, and interdisciplinary coordination.
Provide support to project management, design management, and business development pursuits.
Perform site visits, condition assessments, and structural rehabilitation evaluations for new and existing facilities.
Provide construction support, including shop drawing reviews, RFIs, and site instructions.
Mentor and guide early‑career engineers, supporting technical excellence and professional growth.

The Skills That Set You Apart

Bachelor’s degree in Civil Engineering or equivalent, with 10+ years of structural design experience in water, wastewater, or solid waste facilities.
P.Eng. designation with PEO (or eligibility with EGBC or APEGA).
Strong working knowledge of Canadian and international codes including OBC, NBCC, CSA A23/A23.3, CSA S16, CSA S900.2, and ACI 350.
Proficiency with structural analysis software such as STAAD.Pro, S‑Frame, and CSI products, with working knowledge of BIM360 and Revit.
Proven ability to lead structural design tasks, manage budgets and schedules, and meet client‑driven deadlines.
Experience collaborating across Process, Mechanical, Electrical, Civil, and Architectural disciplines.
Confidence conducting field inspections and construction‑phase engineering support.
Master’s degree in Structural Engineering and/or PMP designation considered an asset.

Why Choose WSP?

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: $114,600 – $151,800
MB & ON: $104,500 – $143,900
NB, NL, NS, PE & QC: $103,500 – $137,400

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?

Join WSP and be part of a team delivering resilient, sustainable infrastructure that makes a lasting impact on communities across Canada and beyond.

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

Refine Your Search

senior building mechanical engineer (water/wastewater) jobs in thornhill, on

Senior Structural Engineer, Water, Wastewater and Solid Waste

Senior Mechanical Engineering

Conveyance/Municipal Senior Project Manager

Team Leader, Building Mechanical

Junior CAD/BIM Technician

Engineering Designer, I&C

Team Lead - Building Mechanical Engineer (Water)

Sr. Process Engineer - Canadian Centre of Excellence

Intermediate/Senior Structural Design Engineer

Structural Engineer - Brampton, ON

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