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Dillon Consulting

Professional planning, engineering, environmental management consulting

Water Wastewater Engineer

Full-TimeDeadline 7/27/27
CA$85k - CA$135k
Senior, Expert
Bachelor's
London, ON, Canada+1 moreMore locations: Kitchener, ON, Canada
Hybrid
Architecture & Civil EngineeringWater Resources Engineering

About the job

Requirements
  • Be licensed to practice as a professional engineer in the relevant field or eligible to register.
  • Have a bachelor's degree in civil, environmental, or chemical engineering.
  • Have 8+ years of experience in consulting or related fields, with a track record of technical leadership in water and wastewater.
  • Demonstrate expertise in treatment process design and experience leading projects through planning, design, construction, and commissioning.
  • Have a strong understanding of the regulatory framework governing municipal water and wastewater systems in Canada.
  • Have extensive experience assessing, designing processes for, and upgrading municipal water treatment plants, wastewater treatment facilities, and pumping stations.
  • Have strong technical knowledge of physical, chemical, and biological treatment processes, including nutrient removal, advanced treatment technologies, residuals management, and disinfection systems.
  • Have experience developing process design criteria, treatment train evaluations, equipment specifications, hydraulic profiles, and detailed engineering deliverables.
  • Have experience completing functional, preliminary, and detailed designs, contract documents, tender support, construction services, commissioning, and start-up assistance.
  • Have familiarity with water and wastewater treatment process modelling, process control philosophies, and operational optimization strategies.
  • Have working knowledge of relevant provincial and federal regulations, design guidelines, and industry standards applicable to water and wastewater facilities.
  • Be able to evaluate complex technical issues, develop practical solutions, and communicate recommendations to clients, regulators, and project teams.
  • Demonstrate technical leadership and a commitment to engineering excellence.
  • Have strong interpersonal, presentation, technical writing, and client relationship skills.
  • Be committed to self-development and ongoing learning and professional development.
  • Be willing to actively participate in professional associations and committees and contribute to Dillon's corporate profile.
  • Be willing to actively engage with Dillon's health and safety processes and platform and identify and report health and safety hazards on an ongoing basis.
Responsibilities
  • Lead and undertake process planning, evaluation, and design for municipal and industrial water treatment plants, wastewater treatment facilities, and potable water and wastewater pumping stations.
  • Provide technical leadership in planning, assessment, process modelling, and detailed design of treatment systems, including screening, grit removal, biological treatment, nutrient removal, solids handling, filtration, disinfection, pumping systems, residuals management, and related process equipment.
  • Deliver technical studies, feasibility assessments, master plans, process selection evaluations, condition assessments, regulatory compliance reviews, and upgrade strategies for existing and new facilities.
  • Prepare and review process calculations, design criteria, equipment specifications, process flow diagrams, piping and instrumentation diagrams, hydraulic profiles, commissioning plans, and technical reports.
  • Lead multidisciplinary design teams through all phases of project delivery, from conceptual planning and preliminary design through detailed design, tendering, contract administration, and commissioning.
  • Coordinate and collaborate with mechanical, electrical, instrumentation and controls, structural, architectural, and civil disciplines to deliver integrated treatment facility designs.
  • Provide technical oversight, guidance, and mentorship to junior engineers, designers, and technical staff.
  • Support construction administration through shop drawing reviews, requests for information, field inspections, commissioning, start-up assistance, and performance verification.
  • Liaise with municipal clients, regulators, Indigenous communities, contractors, equipment suppliers, and approval agencies throughout project development and delivery.
  • Apply innovative approaches, digital tools, and emerging treatment technologies to improve project outcomes, operational reliability, sustainability, and lifecycle performance.
  • Contribute to Dillon's technical practice by developing standards, design tools, best practices, and technical excellence initiatives.
  • Seek and cultivate new long-term business opportunities aligned with sustainability goals and responsible growth, including responding to requests for proposals and preparing proposals and statements of qualification.
  • Strengthen and expand existing client relationships, focusing on long-term partnerships and developing value-driven proposals and statements of qualification.
  • Contribute technical expertise to pursuits, interviews, and proposals for water treatment, wastewater treatment, biosolids, pumping station, and related infrastructure projects.
  • Support the growth of Dillon's Water and Wastewater Practice through delivery excellence, industry presence, and strong client relationships.
  • Provide technical direction, training recommendations, coaching, and mentoring to junior staff as part of their career development.
  • Contribute to technical publications, conference presentations, workshops, and industry committees where appropriate.
Desired Qualifications
  • Experience managing technical scope, budgets, schedules, and multidisciplinary project teams is considered an asset.
  • Experience with process modelling, hydraulic analysis, and treatment facility optimization is considered an asset.

About the company

Dillon Consulting is a Canadian, employee-owned professional consultancy with over 1,100 staff offering planning, engineering, environmental science and management services for complex projects. It works by bringing together multidisciplinary teams to partner with clients and deliver integrated, practical solutions from planning through design and implementation, using a collaborative approach to address multifaceted challenges. The company differentiates itself through its employee-owned structure, strong Canadian focus, and in-house multidisciplinary capabilities that prioritize collaboration and tailored, hands-on problem solving for each project. Dillon’s goal is to help clients successfully navigate complex regulatory, environmental and community considerations by delivering concrete, well-supported solutions that meet project objectives.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Toronto, Canada

Founded

1946

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What believers are saying

  • August 2026 DNA deal expands Dillon Architecture into Western Canada immediately.
  • Peterborough County transit study shows recurring municipal infrastructure demand in 2026.
  • 2025 Best Workplaces ranking and CTO hire support hiring and transformation credibility.

What critics are saying

  • FBM and DNA integrations can distract Sean Hanlon, delaying margin improvement.
  • Employee-owned M&A can dilute culture and stall retention at acquired regional firms.
  • If AI pilots fail to monetize by 2027, larger competitors commoditize Dillon’s advisory edge.

What makes Dillon Consulting unique

  • 1946-founded, 100% employee-owned, 25-plus-office Canadian consulting platform.
  • March 2025 FBM and August 2026 DNA create coast-to-coast architecture coverage.
  • AXL and Gilytics partnerships embed applied AI into delivery workflows.

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Benefits

Employee Share Purchase Plan

Flexible Work Hours

Hybrid Work Options

Health Insurance

401(k) Retirement Plan

401(k) Company Match

Gym Membership

Wellness Program

Professional Development Budget

Student Loan Assistance

Company News

Financial Post
Aug 12th, 2026
David Nairne + Associates Ltd. joins Dillon Consulting Limited.

David Nairne + Associates Ltd. joins Dillon Consulting Limited. Business Wire Published Aug 12, 2026 Article content TORONTO - Dillon Consulting Limited (Dillon) is pleased to announce that it has entered into a Partnership with David Nairne + Associates Ltd. (DNA). Article content DNA is an award-winning multidisciplinary consulting firm providing planning, architecture, civil and structural engineering, and project management services that has been in practice since 1972. Dillon is an award-winning engineering, planning, management, and environmental science firm that was founded in London, Ontario in 1946. These two proudly Canadian, employee-owned firms are excited to join forces to support the needs of clients from coast to coast to coast. Article content Advertisement 1 Story continues below Article content DNA is highly recognized across the West Coast and Northern Canada for its deep, meaningful relationships with Indigenous communities and leaders, as well as its work with municipalities, non-profit organizations and federal, provincial, and territorial governments. The DNA team includes architects, engineers, and planners who approach every project with the mindset of community builders, combining their expertise to improve quality of life and infrastructure. DNA will continue to operate separately from Dillon Consulting Limited as David Nairne + Associates Ltd. Article content Top Stories Interested in more newsletters? Browse here. Article content "We are excited to partner with the incredible team at DNA," commented Sean Hanlon, CEO and President, Dillon. "When we looked at DNA, we saw a firm that genuinely shares our passion for nation-building and community improvement projects. We deeply respect the 50-year legacy of trust and loyalty DNA has built, and together we will continue to live our shared mission to elevate value every day for our clients." Article content "I'm deeply honoured for the opportunity to build on the legacy established by my father, David Nairne, and Fereydoun Dabiri," commented Kathryn Nairne. "Their leadership, vision, and commitment have laid an exceptional foundation, and I'm excited to help carry that legacy forward while shaping the next generation of our success." Article content "I am very pleased that we are now part of Dillon Consulting. Dillon is a proudly Canadian, 100% employee-owned, professional consulting firm. And they are a perfect fit," commented Andy Mill, DNA President and COO. "Dillon is sincere, human, employee-centric, honest, kind and capable. I believe they share our DNA and that together great things will be accomplished." Article content Following Dillon's March 2025 Partnership with Atlantic Canada's FBM Architecture Ltd. (FBM), the alliance with DNA represents the western expansion of Dillon's architectural subsidiary, Dillon Architecture Limited (DAL). With FBM anchoring the practice on the East Coast and DNA driving capabilities in the West, DAL is positioned to provide a connected, coast-to-coast presence that dissolves traditional boundaries and delivers premier architectural design backed by Dillon's full suite of multidisciplinary consulting services. Article content About Dillon Consulting Limited Article content Founded in 1946, Dillon is an established, Canadian, employee-owned professional consulting firm specializing in planning, management, engineering, and environmental science. With over 25 offices and more than 1,100 employees across Canada, Dillon offers a wide range of services related to building and improving facilities and infrastructure, protecting the environment, and developing communities. www.dillon.caAbout David Nairne + Associates Ltd. DNA is an award-winning multidisciplinary consulting firm providing planning, architecture, civil and structural engineering, and project management services. With a team of over 50 dedicated employees, DNA has spent over 50 years successfully completing projects throughout British Columbia, Yukon, the Northwest Territories, Manitoba, and Alaska. The firm is founded on long-term, trusting relationships and a commitment to creating sustainable communities. www.davidnairne.com Article content View source version on businesswire.com: Article content All media inquiries: Karl Makuch [email protected] 519.852.7047 Article content Advertisement 1

City of Owen Sound
Jul 30th, 2026
Guelph Owen Sound Transportation (GOST) service to continue through December 2026.

Guelph Owen Sound Transportation (GOST) service to continue through December 2026. Residents and visitors can continue to rely on regional transit connections throughout Grey, Bruce, Wellington, and Dufferin Counties, with both Guelph Owen Sound Transportation (GOST) and Grey Transit Route (GTR) 2 confirmed to operate through December 31, 2026. Funding required for 2027 operations will be included in the annual budget for Grey County Council consideration. GOST provides public transportation between Owen Sound and Guelph, with stops in Chatsworth, Williamsford, Durham, Mount Forest, Arthur, Fergus, and Elora. The service offers an affordable and convenient option for commuters, students, visitors, and residents travelling throughout the region. From the Owen Sound Transit Terminal, GOST departures are available daily at 7:30 a.m. and 2:30 p.m. The service operates seven days a week, including statutory holidays, with the exception of Christmas Day. Passengers can also connect with additional transit services in Owen Sound and Guelph to continue travelling beyond the GOST route, expanding access to employment, education, healthcare, recreation, and other destinations across the region. To support active transportation, GOST buses are equipped with a bike carrier that can accommodate up to two bicycles. The carrier is available at no additional cost on a first-come, first-served basis until late fall. Bike carrier spaces cannot be reserved in advance. The service extension coincides with ongoing work on a regional transit study involving the Counties of Bruce, Dufferin, Grey, and Wellington, along with Saugeen Mobility and Regional Transit (SMART). The partners are working with Dillon Consulting to develop a draft unified regional transit plan that will help guide future transit services across the region. As part of this work, interim bus service is being expanded while the regional study continues. Dillon Consulting is expected to present a draft regional transit plan to participating councils and the SMART Board this fall, with final decisions regarding a long-term regional transit model anticipated in 2027. Residents interested in learning more about routes, schedules, fares, and transit connections are encouraged to visit the transit service websites or contact Owen Sound Transit. About GOST Guelph Owen Sound Transportation (GOST) is a regional transit service connecting Owen Sound and Guelph, with stops in Chatsworth, Williamsford, Durham, Mount Forest, Arthur, Fergus, and Elora. About GTR 2 Grey Transit Route (GTR) 2 provides public transportation connections between Dundalk, Orangeville, and surrounding communities, supporting regional mobility and transit accessibility. Quick Links: * For all regional transit information, visit the Grey County webpage. Contact Us 808 2nd Avenue East, Owen Sound, ON N4K 2H4 Phone: 519-376-1440 Email Owen Sound

Cavan Monaghan Township
Jun 15th, 2026
Peterborough County transit feasibility Study.

Peterborough County transit feasibility Study. In Partnership with Community Care - Jun 15, 2026 Community Care and Peterborough County have partnered with Dillon Consulting to conduct a Public Transit Study. They are seeking your input! The project team has launched a community survey to better understand the needs and opportunities for expanded public transit within its community. This brief survey will help Cavanmonaghan understand what solutions are best suited to the many areas of the county, and how transit can support its residents' travel. Please fill out the survey at this link before July 10, 2026. https://www.surveymonkey.com/r/RBFYDLC This is a drop-in style event with no formal presentation, meaning you can visit, review the project information, and discuss your thoughts with the project team at any point during the open house. This is your chance to: * View information boards outlining public transit options * Speak directly with the project team * Provide feedback on the key travel destinations that matter most to you Contact Us Cavan Monaghan Municipal Office, 988 County Rd 10 Millbrook ON L0A 1G0, Municipal Office hours: Monday to Friday, 8:30 a.m. to 4:30 p.m. (excluding holidays).

Malahat Nation
Apr 8th, 2026
Watershed Governance Framework - complete!

Watershed Governance Framework - complete! Carmen Pavlov April 8, 2026 Malahat Nation Lands and Environment department is pleased to announce the completion of the Watershed Governance Framework project! Malahat Nation Lands and Environment department worked alongside Dillon Consultants to create a Watershed Governance Framework. The Malahat Benchlands and Shawnigan Creek watersheds face pressures including population growth, unsustainable extraction from water bodies, overdevelopment, infrastructure deficits and issues, agriculture, forestry, and mining uses, and pollution. Through investigating governance models that are culturally appropriate and sustainable, Lands and Environment worked to develop a framework that helps guide the protection and restoration of Malahat's watersheds. Guiding principles that influenced this document include: long-term benefit to the Nation, respect for culture and customs, innovation, preservation and protection, ecosystem-based management, sustainability, cooperative relationships, self-sufficiency, and opportunities for Malahat members. For any questions about this or other works, please reach out to us at: [email protected], (250)-743-3231 ext. 4, or come visit the office at 7 Kwunew Kwasun Lane (downstairs) anytime between 9am-4pm! huy tseep q'u!

The Montreal Gazette
Sep 16th, 2025
AXL Partners With Dillon Consulting Limited to Accelerate Applied AI in Engineering-Consulting Workflows

AXL partners with Dillon Consulting Limited to accelerate applied AI in engineering-consulting workflows.