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WSP in Canada

Mechanical Process Engineer, Water & Wastewater

BC, Canada
British Columbia, Canada, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 1, 2026
Experience: 5+ years of experience supporting municipal water and wastewater treatment projects through planning, design, and implementation.
Posting language: English
Posted: Oct 2, 2026

Original job description

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

Design What Comes Next

Join our growing Water and Wastewater team as a Water & Wastewater Mechanical Process Engineer and contribute to the delivery of infrastructure that supports healthier, more resilient communities across Canada. Working alongside experienced technical specialists, you'll help develop innovative treatment solutions, support critical municipal projects, and strengthen essential water infrastructure from planning through commissioning. This is an opportunity to expand your expertise in mechanical process design for water and wastewater treatment facilities while making a meaningful impact on communities and the environment.

Your Impact

Champion health, safety, quality, and regulatory compliance throughout project delivery.
Support the planning, design, and implementation of municipal water and wastewater treatment facilities and related infrastructure.
Develop process designs and engineering deliverables, including process flow diagrams, P&IDs, technical calculations, equipment layouts, and specifications.
Conduct process evaluations, feasibility assessments, and technology reviews to support infrastructure improvement projects.
Assist with the selection and integration of mechanical process equipment, pumping systems, and treatment infrastructure to meet project and client requirements.
Contribute to construction support, commissioning activities, and start-up services for water and wastewater treatment facilities.
Collaborate with multidisciplinary teams, clients, and stakeholders to deliver practical and sustainable water solutions.
Continuously build technical expertise through mentorship, knowledge sharing, and participation in complex water infrastructure projects.

The Skills That Set You Apart

5+ years of experience supporting municipal water and wastewater treatment projects through planning, design, and implementation.
Bachelor’s degree in Mechanical Engineering, Environmental Engineering, Civil Engineering, or a related discipline.
Professional Engineer (P.Eng.) designation or eligibility for registration with the applicable provincial engineering association.
Experience with mechanical process systems associated with municipal water and wastewater treatment facilities, including pumping systems, process equipment, hydraulic systems, and related infrastructure.
Experience preparing technical reports, design calculations, specifications, and engineering drawings.
Ability to work effectively within multidisciplinary project teams and contribute to project deliverables in a consulting environment.
Strong analytical, problem-solving, and technical communication skills.
Valid driver’s licence and willingness to travel periodically to client sites and project locations.

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 prioritise the balance in yours.

#WeAreWSP

Compensation

AB, BC, NT, NU, SK & YT: $89,800 - $118,900

MB & ON: $81,900 - $112,800

NB, NL, NS, PE & QC: $81,100 - $107,700

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 of Water?

Bring your expertise and passion for innovation to a team delivering essential water infrastructure that strengthens communities across Canada. At WSP, you'll help solve complex challenges, contribute to sustainable water solutions, and work alongside industry-leading professionals while continuing to grow your career. If you're ready to advance your expertise in mechanical process design and help deliver critical water infrastructure projects that create lasting community impact, we want to hear from you.

Apply today and help design what comes next.

About Us

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 About employer

More about this job

Responsibilities

Support the planning, design, and implementation of municipal water and wastewater treatment facilities, producing process diagrams, calculations, specifications, and equipment layouts. Evaluate treatment technologies, support equipment selection, and contribute to construction, commissioning, and start-up while collaborating with clients and multidisciplinary teams.

Requirements

Requires at least five years of experience on municipal water and wastewater treatment projects and a bachelor's degree in mechanical, environmental, civil, or a related engineering discipline. Candidates must hold or be eligible for provincial P.Eng. registration and have relevant mechanical process systems experience, strong technical communication and problem-solving skills, a valid driver's licence, and willingness to travel periodically.

Skills

Mechanical Process Design
Municipal Water Treatment
Wastewater Treatment
Pumping Systems
Process Equipment
Hydraulic Systems
Process Flow Diagrams
P&IDs
Technical Calculations
Equipment Layouts
Technical Specifications
Feasibility Assessments
Technology Reviews
Construction Support
Commissioning
Multidisciplinary Collaboration

Benefits

Flexible Work
Work-Life Balance
Professional Growth Opportunities
Mentorship

Visa sponsorship

Not detected in the job text

Keywords

Water Treatment
Wastewater Treatment
Municipal Infrastructure
Mechanical Process Engineering
Process Design
Process Flow Diagrams
P&IDs
Engineering Calculations
Equipment Layouts
Technical Specifications
Pumping Systems
Hydraulic Systems
Process Equipment
Feasibility Assessments
Technology Reviews
Treatment Facilities
Construction Support
Commissioning
Start-Up Services
Regulatory Compliance
Health And Safety
Quality Assurance
Professional Engineer (P.Eng.)
Multidisciplinary Project Teams
Sustainable Water Solutions
Client Site Travel

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