Senior Environmental Engineer or Geoscientist

Join our multidisciplinary team and put your strong leadership and technical capabilities to work on meaningful and challenging projects that improve the state of our environment. As someone with excellent technical and project management skills who builds strong client relationships, you will thrive in our fast-paced and agile environment.

We’re looking for a technical leader, trusted advisor and problem solver with a safety-first mindset and the desire to build strong teams to lead Ontario-based contaminated sites projects.

Dillon’s Contaminant Assessment & Management discipline is looking for an Environmental Engineer or Geoscientist to join our multidisciplinary team. You will have the opportunity to work on new and exciting projects while providing clients with a fully integrated and superior customer experience.

At Dillon, we operate as one team. The successful candidate can be based at any one of our following offices: Chatham ON, Guelph ON, Hamilton ON, Kingston ON, Kitchener ON, London ON, Oakville ON, Ottawa ON, Toronto - Downtown, Toronto - North York, Vaughan ON, Windsor ON.

About Dillon

Dillon Consulting Limited (Dillon) is a proudly Canadian, 100% employee-owned professional consulting firm specializing in planning, engineering, environmental science, and management. With over 25 offices and more than 1200 employees across Canada, we offer a wide range of services related to building and improving facilities and infrastructure, protecting the environment, and developing communities.

At Dillon, we strive to remain at the forefront of technology and innovation and thrive on interdisciplinary collaboration, empowering our people to challenge conventional thinking and build careers focused on creating a lasting impact in our communities. We are committed to ongoing professional development and celebrate the unique perspectives that each team member brings to the table.

Employee ownership is available to all Dillon team members, and over 60% of our employees’ own shares in Dillon. Through employee ownership, we return the financial benefit created by our project work to the very people who created that value. Because we are an employee-owned firm, your voice will be an essential part of our shared success.

Responsibilities

Project Management and Technical Activities

• Manage complex environmental projects, including Phase I–III Environmental Site Assessments (ESAs), remediation, human and ecological risk assessments, soil vapour intrusion evaluations, and compliance monitoring.
• Serve as a Qualified Person on site assessments, technical reports, and Records of Site Condition (RSC) filings.
• Design, evaluate, and execute remediation programs and risk management measures (RMMs) for impacted soil, groundwater, and soil vapour across active industrial, commercial, and brownfield properties.
• Apply deep operational knowledge of Ontario Regulation (O.Reg.) 153/04 and the Excess Soil Regulation (O.Reg. 406/19).
• Liaise with private and public clients, regulatory bodies (e.g., MECP, conservation authorities), subconsultants and subcontractors.
• Contribute to the development and coordination of client relationships and business growth.
• Drive business growth by leading proposal preparation (RFP responses), developing new and existing client relationships, and managing key accounts.
• Travel to project sites and client meetings throughout Ontario as needed.

Learning and Development

• Maintain continuous professional development, staying ahead of evolving provincial/federal regulations, environmental guidelines, and emerging contaminants.
• Drive continuous learning and mentor junior and intermediate staff in report writing, field execution and digital project delivery methodologies, developing the next generation of tech-forward leaders.
• Enhance corporate visibility through active participation in professional associations (e.g., PEO, PGEO, ONEIA) and industry committees.

Qualifications

• Bachelor’s or Master’s degree in Environmental Engineering, Civil Engineering, Geology, Hydrogeology, or Environmental Science.
• Active licensure as a Professional Engineer (P.Eng.) or Professional Geoscientist (P.Geo.) in Ontario.
• Qualified Person status under O. Reg. 153/04.
• Experience with a range of client types preferred (e.g., federal government departments, private industrial clients, municipalities, first nations).
• Proven Project Management experience.
• Valid Ontario driver’s license.

Experience

• 15+ years of environmental consulting experience in Ontario.
• Comprehensive working knowledge of Ontario Regulation 153/04, Ontario Regulation 406/19 and CCME Canadian Environmental Quality Guidelines.
• Proven track record preparing and submitti