Onsite Wastewater Engineer​/Project Manager – Ontario

Onsite Wastewater Engineer / Project Manager – Ontario

Base pay range: CA$/yr - CA$/yr

A well-established consulting and engineering firm in Ontario is seeking an experienced Onsite Wastewater Engineer / Project Manager to join their Water & Wastewater group. This role is ideal for a technical leader with strong experience in onsite sewage system design, hydrogeology, rural land development, and environmental engineering.

You’ll lead projects end-to-end, manage client relationships, provide senior technical oversight, and mentor junior staff across multiple Ontario offices.

• Lead project planning, scheduling, budgeting, and resource allocation
• Oversee and mentor engineers, geoscientists, technologists, and technicians
• Conduct and supervise field investigations in compliance with HSE and regulatory requirements
• Analyze hydrogeological and wastewater data and prepare technical interpretationsli>
• Prepare and review engineering evaluation reports, design reports, drawings, and specifications
• Design onsite wastewater/septic systems (small and large subsurface disposal systems)
• Complete mass balance and nutrient dilution calculations for Reasonable Use Criteria
• Prepare environmental approvals documentation (ECA submissions)
• Ensure project delivery meets schedule, budget, and quality expectations
  
  Support client retention, relationship development, and business growth
• Manage billing, project financials, and technical quality assurance
• Travel to project sites and meetings as required

• 8+ years of consulting experience in Ontario
• Bachelor’s degree in Civil, Environmental, Water Resources, or Wastewater Engineering
• Licensed P.Eng. (in good standing) in Ontario
• Strong knowledge of Ontario Building Code Part 8 and MECP wastewater design guidelines
• Experience with hydrogeological tools (Aquifer Test, MODFLOW, etc.) is an asset
• Excellent written and verbal communication skills
• Strong report writing, data analysis, and client-facing abilities
• Demonstrated ability to lead and mentor junior staff
• Valid driver’s licence and reliable vehicle

Work may be based in any of the following Ontario offices:
Barrie, Kingston, Whitby, Peterborough.

• Senior-level role with strong technical and leadership responsibilities
• Opportunity to work on meaningful rural development and wastewater engineering projects
• Supportive, people-first culture with flexible hybrid arrangements
• Competitive salary, benefits, pension, and strong professional development pathways

Mid-Senior level

Full-time

Consulting