Senior Water & Wastewater Treatment Lead

WSP in Canada; Fredericton; On-site; CAD 125,000 - 169,000; Full time

Benefits offered by this job

Top 100 Employer in Canada (2026)

Flexible work arrangements

Job summary

WSP in Canada is seeking a Senior Water & Wastewater Treatment Lead to guide Atlantic Canada's most impactful projects, providing technical leadership, mentorship, and client partnership to deliver resilient water and wastewater infrastructure.

You will lead planning, design and delivery from concept to commissioning, oversee regulatory compliance, coach multidisciplinary teams, grow the practice regionally, and travel periodically across Atlantic Canada to meet project needs.

Qualifications

• Bachelor's degree in Civil, Environmental, Chemical, Mechanical or related Engineering discipline required.
• P.Eng. designation in Canada and eligibility to practice in Nova Scotia preferred.
• 15+ years of progressive experience in water and wastewater industry with leadership experience.

Responsibilities

• Lead planning, design, and delivery of complex municipal and industrial water and wastewater treatment projects from concept through commissioning and operational support.
• Provide senior technical leadership for treatment process design, facility upgrades, optimization studies, and capital programs.
• Mentor and develop engineers, designers and professionals while fostering technical excellence and collaboration.
• Build and strengthen client relationships and contribute to business development and practice growth.
• Direct multidisciplinary teams through all project phases and ensure quality, regulatory compliance.

Skills

P.Eng. (Canada)

15+ years water/wastewater

Team leadership

Mentorship

Regulatory compliance

Technical writing

Client relationship

Travel willingness

Education

Bachelor's degree in Civil/Environmental/Chemical Engineering

P.Eng. in Canada

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

This is an opportunity to lead some of Atlantic Canada's most impactful water and wastewater treatment projects while helping communities build resilient, sustainable infrastructure for generations to come.

As a Senior Water & Wastewater Treatment Lead, you'll provide technical leadership, mentor emerging talent, collaborate with multidisciplinary teams, and partner with clients to solve complex treatment challenges that protect public health and the environment.

Your Impact

• Serve as the technical lead for water and wastewater treatment services in Atlantic Canada, providing strategic direction, technical excellence, mentorship, and project leadership across the region.
• Collaborate with WSP's national Water and Wastewater team and subject matter experts across Canada, contributing to high-impact projects and sharing technical expertise across regions.
• Lead the planning, design, and delivery of complex municipal and industrial water and wastewater treatment projects from concept development through commissioning and operational support.
• Provide senior technical leadership for treatment process design, facility upgrades, optimization studies, and capital infrastructure programs.
• Mentor and develop engineers, designers, and technical professionals while fostering a culture of technical excellence and collaboration.
• Build and strengthen trusted client relationships while identifying opportunities to grow WSP's water and wastewater treatment practice throughout the region.
• Direct multidisciplinary teams through all project phases, including studies, preliminary engineering, detailed design, tendering, procurement, construction services and commissioning support.
• Review and approve technical reports, specifications, calculations, and design deliverables to ensure quality, innovation, and regulatory compliance.
• Support strategic pursuits, proposals, and business development initiatives that expand WSP's impact within Atlantic Canada.
• Champion sustainable and innovative treatment solutions that help communities thrive while protecting public health and environmental resources.

The Skills That Set You Apart

• Bachelor's degree in Civil, Environmental, Chemical, Mechanical or related Engineering discipline.
• Professional Engineer (P.Eng.) designation in Canada and eligibility to practice in Nova Scotia.
• Ideally 15+ years of progressive experience in the water and wastewater industry. We also welcome applications from candidates with 10+ years of relevant experience who can demonstrate strong technical and leadership capabilities.
• Extensive experience leading the planning, design, and delivery of water and wastewater treatment facilities.
• Strong expertise in treatment process evaluation, process optimization, and infrastructure planning.
• Proven experience leading multidisciplinary teams and coordinating complex infrastructure projects.
• Demonstrated ability to provide technical mentorship and leadership within multidisciplinary engineering teams.
• Demonstrated success developing client relationships, supporting strategic pursuits, and contributing to business development and practice growth initiatives.
• Excellent technical writing, communication, and stakeholder engagement skills.
• Experience collaborating with technical specialists, regional teams, and clients across multiple jurisdictions is considered an asset.
• Ability and willingness to travel periodically throughout Atlantic Canada to support project and client needs.

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: $138,800 - $186,500

MB & ON: $126,600 - $176,600

NB, NL, NS, PE & QC: $125,400 - $168,900

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.

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 .