Design Engineer - Water Treatment

Company Our client is a family-owned Canadian manufacturer of water treatment equipment. Based in Barrie, Ontario, the business serves customers across Canada and the United States through an established dealer network and a growing commercial and industrial operation. As the commercial and industrial group expands into a dedicated facility, our client is seeking an experienced Design Engineer to strengthen its existing product portfolio and lead the development of new equipment. This is a hands-on product design role for an engineer with deep experience in industrial water treatment equipment. You will work closely with manufacturing, applications, sales and marketing, and controls specialists to improve existing designs and bring new water treatment products to market. The successful candidate will be a technically self-sufficient contributor who can provide practical design leadership in a manufacturing environment. Key Responsibilities Design, develop and improve commercial and industrial water treatment equipment Support product innovation across water softening, filtration, reverse osmosis and related treatment systems Apply strong knowledge of ion exchange, membrane technology, controls and equipment integration Lead the mechanical, electrical and electronic design considerations of new and existing products Collaborate closely with manufacturing to ensure designs are practical, manufacturable and scalable Work with internal design, PLC/controls and applications teams to define product requirements and development priorities Contribute to the development of new product lines Provide technical leadership and make sound engineering decisions with minimal supervision Participate in occasional customer or internal technical discussions as required About You 5 to 10 years of relevant experience designing commercial or industrial water treatment equipment in Canada Hands-on product or equipment design experience, not solely applications engineering, consulting or system specification Strong background in desalination, water softening, filtration, reverse osmosis, ion exchange and/or membrane systems, ideally well-rounded across both ion exchange and membrane/RO technologies Understanding of PLC-based controls, control panels and the programming requirements for larger treatment systems Practical knowledge of mechanical, electrical and electronic equipment design Ability to improve existing products while independently developing new designs Comfortable working directly with manufacturing and cross-functional teams in an on-site environment Location This role is based full time in Barrie, Ontario. Candidates should be within a practical commuting distance of Barrie or willing to relocate. How to Apply Contact Bradley Hardy at W3 North America for more information. W3 North America is a specialist water industry recruitment agency helping water and wastewater professionals find opportunities with water technology companies, engineering consultants, contractors and utilities across Canada and the US.

The role involves designing, developing, and improving commercial and industrial water treatment equipment. The engineer will lead mechanical and electrical design considerations while collaborating with manufacturing and controls teams to bring new products to market.

Candidates need 5 to 10 years of hands-on experience in designing industrial water treatment systems, specifically with membrane and ion exchange technologies. Proficiency in PLC-based controls and a practical understanding of mechanical and electrical equipment design are required.

Identified from the job description. Confirm important requirements above.

• Product Design
• Water Treatment Equipment
• Ion Exchange
• Membrane Technology
• Reverse Osmosis
• Water Softening
• Filtration
• PLC Controls
• Mechanical Design
• Electrical Design
• Electronic Design
• Equipment Integration
• Manufacturing Collaboration
• Technical Leadership
• Desalination

• Engineering
• Manufacturing
• Environmental & Sustainability
• Science & Research

Minimum experience

5+ years

Apply by

Sep 17, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Mid-Senior level

Application method

Direct apply is available